Angus Peter Campbell: I’m In Two Minds About The Renewable Energy Revolution
The title of the post, is the same as that of this article in the Aberdeen Press and Journal.
This is the sub-heading.
The debate (argument) between development and environmentalism is as old as the hills.
In the article, Campbell puts all sides of the arguments over the Coire Glas pumped storage hydro-electric scheme, and the article is very much a must read.
I feel that this 1500 MW/30 GWh scheme should be built, as like Hinckley Point C and Sizewell C, it takes a large bite out of the new energy storage capacity that is needed.
But if we do build this large project, we should think very hard about how we do it.
These are a few thoughts.
Low Carbon, Disturbance And Noise During Construction
High Speed Two are doing this and I wrote about it in HS2 Smashes Carbon Target.
I do subject though, that increasingly large construction projects can go this way.
Electric Trucks, Cranes And Other Equipment
High Speed Two and big mining companies are increasingly using electric mining trucks, cranes and other equipment.
As this sort of equipment, also provides a better environment for workers, I suspect we’ll see more electric equipment.
Hydrogen Trucks And Construction Equipment
Hydrogen could play a big part and rightly so.
It is ideal for heavier equipment and one of its biggest advocates and developers is JCB.
I wouldn’t be surprised to see a decision about an onsite electrolyser being made soon.
Low Carbon Concrete
There are various methods of making low- and zero-carbon concrete, some of which incorporate carbon dioxide into the material.
Use Of Loch Lochy And The Caledonian Canal
I wouldn’t be surprised if just as the Thames in London was used in the construction of Crossrail and the Northern Line extension, Loch Lochy and The Caledonian Canal will be used to take out construction spoil.
There’s certainly a lot of ways to be innovative in the movement of men and materials.
Conclusion
The construction of Coire Glas will make an epic documentary.
£100m Boost For Biggest UK Hydro Scheme In Decades
The title of this post, is the same as that of this article on the BBC.
This is the sub-heading.
A giant hydro scheme which would double the UK’s ability to store energy for long periods is taking a leap forward with a £100m investment by SSE.
These are the first three paragraphs.
The proposed 92m-high dam and two reservoirs at Coire Glas in the Highlands would be Britain’s biggest hydroelectric project for 40 years.
Scottish ministers approved the 1.5 GW pumped storage facility in 2020.
But power giant SSE wants assurances from the UK government before finally signing it off.
There are two major problems with this scheme.
Why The Forty Year Wait?
I am an Electrical and Control Engineer and it is a scandal that we are waiting forty years for another pumped storage scheme like the successful Electric Mountain or Cruachan power stations to arrive.
Petrol or diesel vehicles have batteries for these three main purposes.
- To start the engine.
- To stabilise the output of the generator or alternator.
- To provide emergency power.
As to the latter, I can’t be the only person, who has dragged a car out of a ford on the starter motor. But think of the times, you’ve used the hazard warning lights, after an accident or an engine failure.
The nightmare of any operator of a complicated electricity network like the UK’s is a black start, which is defined by Wikipedia like this.
A black start is the process of restoring an electric power station or a part of an electric grid to operation without relying on the external electric power transmission network to recover from a total or partial shutdown.
Hydro electric power stations and especially those that are part of pumped storage schemes are ideal for providing the initial power, as they are often easy to start and have water available. Cruachan power station has a black start capability, but at 440 MW is it big enough?
Over the last few years, many lithium-ion batteries have been added to the UK power network, which are used to stabilise the grid, when the sun isn’t shining and the wind isn’t blowing.
There are four pumped storage hydro-electric schemes in the UK.
- Cruachan – 440 MW/7 GWh – 1965
- Dinorwig (Electric Mountain) – 1800 MW/9.1 GWh -1984
- Ffestiniog – 360MW/1.44 GWh – 1963
- Foyers – 300 MW/6.3 GWh – 1974
Note.
- I always give the power output and the storage capacity for a battery, if it is known.
- According to Wikipedia, Scotland has a potential for around 500 GWh of pumped storage.
- The largest lithium-ion battery that I know, that is being planned in the UK, is Intergen’s 320 MW/640 MWh battery at Thames Gateway, that I wrote about in Giant Batteries Will Provide Surge Of Electricity Storage. It’s smaller than any of the four current pumped storage schemes.
- The Wikipedia entry for Coire Glas says that it is a 1.5 GW/30 GWh pumped storage hydro-electric power station.
I very much feel that even one 1.5 GW/30 GWh pumped storage hydro-electric power station must make a big difference mathematically.
Why have we had to wait so long? It’s not as though a pumped storage hydro-electric power station of this size has suffered a serious disaster.
Drax Needs Assurances Too?
The BBC article says this.
Scotland’s only other pumped storage scheme, operated by Drax Group, is housed within a giant artificial cavern inside Ben Cruachan on the shores of Loch Awe in Argyll.
The North Yorkshire-based company plans to more than double the generating capacity of its facility, nicknamed Hollow Mountain, to more than 1GW, with the construction of a new underground power station.
But both Drax and SSE have been reluctant to press ahead without assurances from Whitehall.
It looks like the right assurances would open up at least two pumped storage hydro-electric power station projects.
But it could be better than that, as there are other projects under development.
- Balliemeanoch – 1.5GW/45 GWh
- Corrievarkie – 600 MW/14.5 GWh
- Loch Earba – 900 MW/33 GWh
- Loch Kemp – 300 MW/9 GWh
- Red John – 450 MW/2.8 GWh
This totals to 3750 MW/104.3 GWh or 5850 MW/134.3 GWh with the addition of Coire Glas and the extension to Cruachan.
Getting the assurances right could result in large amounts of construction in Scotland!
What Assurances Do Power Giants SSE And Drax Want Before Signing Off?
This news item on SSE Renewables, which is dated 18th March 2022, is entitled Ministerial Roundtable Seeks To Unlock Investment In UK Energy Storage.
These three paragraphs gives details of the meeting.
Business leaders have met with UK Energy Minister the Rt Hon Greg Hands MP to discuss how the government could unlock significant investment in vital energy storage technologies needed to decarbonise the power sector and help ensure greater energy independence.
The meeting was organised by the Long-Duration Electricity Storage Alliance, a new association of companies, progressing plans across a range of technologies to be first of their kind to be developed in the UK for decades.
Representatives from Drax, SSE Renewables, Highview Power and Invinity Energy Systems met with The Rt Hon Greg Hands MP, Minister of State for Business, Energy and Clean Growth [yesterday].
But they still don’t seem to have come up with a funding mechanism.
- In this case, it seems that multiple politicians may not be to blame, as Greg Hands was the Minister of State for Business, Energy and Clean Growth until the 6th of September 2022, when he handed over to Graham Stuart, who is still the incumbent.
- Could it be that civil servants for this problem need to be augmented by a Control Engineer with mathematical modelling skills from a practical university?
It is the sort of problem, I would love to get my teeth into, but unfortunately my three mentors in accountancy and banking; Bob, Brian and David, who could have helped me, have all passed on to another place to help someone else with their problems.
I’ve just had a virtual meeting with all three and they told me to look at it like a warehousing system.
Consider.
- It would be very easy to measure the amount of water stored in the upper reservoir of a pumped storage hydro-electric power station.
- It would also be easy to measure the electricity flows to and from the pumped storage hydro-electric power station.
- A monetary value could be placed on the water in the upper reservoir and the flows, depending on the current price for electricity.
So it should be possible to know that a pumped storage hydro-electric power station, was perhaps storing energy as follows.
- 10 GWh for SSE
- 8 GWh for RWE
- 6 GWh for Scottish Power
- 6 GWh is not being used
And just as in a warehouse, they would pay a fee of so much for storing each GWh for an hour.
- The system would work with any type of storage.
- Would competition between the various storage sites bring down prices for storing electricity?
- Pumped storage operators would get a bonus when it rained heavily.
- Just as they do now, electricity generators would store it when prices are low and retrieve it when prices are high.
A lot of the rules used to decide where electricity goes would still work.
The Case For Pumped Hydro Storage
The Coire Glas Project
Note that Coire Glas is a pumped storage hydroelectric scheme being developed by SSE Renewables.
- It is rated at 1.5 GW.
- It can store 30 GWh of electricity.
- It is being built in the Highlands of Scotland above Loch Lochy.
- The estimated construction time will be five to six years.
- It should be operational for more than 50 years.
- There is more about the project on this page on the Coire Glas web site.
Exploratory works have started.
The Case For Pumped Hydro Storage
The title of this post, as the same as that of this page on the Coire Glas web site.
This is the sub-heading.
A study by independent researchers from Imperial College London found that investing in 4.5GW of pumped hydro storage, with 90GWh of storage could save up to £690m per year in energy system costs by 2050, as the UK transitions to a net-zero carbon emission system.
And this is the first paragraph.
The report focused on the benefits of new long-duration pumped hydro storage in Scotland, as the current most established long-duration energy storage technology. The benefit of long duration storage compared to short duration batteries is being able to continuously charge up the storage with excess renewables and also discharge power to the grid for several hours or days when wind and solar output is low.
So Coire Glas will provide 1.5GW/30GW, so where will we get the other 3 GW/60GW?
Loch Earba Pumped Hydro
In Gilkes Reveals 900MW Scottish Pumped Storage Plan, I introduced Loch Earba Pumped Hydro.
- It is rated at 900 MW
- It can store 33 GWh of electricity.
- It is being built in the Highlands of Scotland to the East of Fort William.
- The estimated construction time will be three to four years.
- It should be operational for more than 50 years.
- There is more about the project on the Earba Storage web site.
It would appear we could be edging towards the Imperial College target in lumps of about 1GW/30 GWh.
Other Schemes In Scotland
These are other proposed or planned schemes in Scotland.
Balliemeanoch Pumped Hydro
Balliemeanoch Pumped Hydro now has a web site.
The proposed Balliemeanoch pumped hydro scheme will have these characteristics.
- Output of the power station will be 1.5 GW
- Available storage could be 45 GWh.
This medium-sized station has a lot of storage.
Corrievarkie Pumped Hydro
Corrievarkie Pumped Hydro now has a web site.
The proposed Corrievarkie pumped hydro scheme will have these characteristics.
- Output of the power station will be 600 MW
- Available storage could be 14.5 GWh.
This medium-sized station has a moderate amount of storage.
Loch Kemp Pumped Hydro
I wrote about Loch Kemp Pumped Hydro in Loch Kemp Pumped Hydro, where I said this.
The proposed Loch Kemp pumped hydro scheme will have these characteristics.
- Loch Kemp will be the upper reservoir.
- Loch Ness will be the lower reservoir.
- The power station will be on the banks of Loch Ness.
- The power station will be designed to fit into the environment.
- Eight dams will be built to enlarge Loch Kemp.
- Trees will be planted.
- Output of the power station will be 300 MW
- Available storage could be 9 GWh.
The medium-sized station will have almost as much storage capacity as Electric Mountain, but that power station has an output of 1.8 GW.
Red John Pumped Hydro
I wrote about Red John Pumped Hydro in Red John Pumped Storage Hydro Project, where I said this.
I have also found a web site for the project, which is part of the ILI Group web site.
- The scheme has an output of 450 MW.
- The storage capacity is 2,800 MWh or 2.8 GWh.
- The scheme has planning consent.
- The project is budgeted to cost £550 million.
- The construction program indicates that the scheme will be completed by the end of 2025.
Not a large scheme, but every little helps.
Proposed Pumped Hydro In Scotland
I have listed these schemes.
- Balliemeanoch – 1.5GW/45 GWh
- Coire Glas – 1.5 GW/30 GWh
- Corrievarkie – 600 MW/14.5 GWh
- Loch Earba – 900 MW/33 GWh
- Loch Kemp – 300 MW/9 GWh
- Red John – 450 MW/2.8 GWh
Note.
- The scheme’s name is linked to their web site.
- The two figures are output and storage capacity.
There is a total output of 5.25 GW and a total storage capacity of 134.3 GWh.
Conclusion
If all these schemes are built, Imperial’s targets of an output of 4.5 GW and a storage capacity of 90 GWh will be comfortably exceeded.
Gilkes Reveals 900MW Scottish Pumped Storage Plan
The title of this post, is the same as that of this article on renews.biz.
This is the sub-heading.
Earba project would be ‘largest in the UK’ in terms of energy stored
And this is the introductory paragraph.
Gilkes Energy has unveiled scoping plans for its 900MW Earba Pumped Storage Hydro Project in Scotland.
These are a few more details.
- It will have a capacity of 33 GWh.
- Loch a’ Bhealaich Leamhain is proposed to be the upper reservoir.
- Lochan na h-Earba is proposed to be the lower reservoir.
- There will be a three kilometre tunnel between the reservoirs.
- The 900 MW power station will be on the shore of Loch Earba.
- Construction is expected to take between 3 and 4 years.
This Google Map shows the location of the site.
And this Google Map shows the site.
Note.
- Lochan na h-Earba, which will be the lower reservoir is clearly marked, in the North-West corner of the map.
- Loch a’ Bhealaich Leamhain, which will be the upper reservoir is in the South-East corner of the map.
- Much of Loch a’ Bhealaich Leamhain appears to be frozen, with only a small triangular area of water visible.
- There doesn’t seem to be too many roads.
- There is a detailed map on the Earba Storage web site.
This looks like it could be extreme construction, at it’s most extreme.
Conclusion
With a power output of 900 MW and a storage capacity of 33 GWh, this pumped storage hydroelectric power station will have the largest storage capacity of any energy storage in the UK.
New Zealand’s $Bn Pumped Storage Hydropower Project: Making It Worthwhile
The title of this post, is the same as that, of this article on Mirage News.
These are the first three paragraphs.
Greater electrification of the economy is an essential part of Aotearoa New Zealand’s climate policy, as set out in the emissions reduction plan.
But the national electricity system depends heavily on the fluctuating storage capacity of hydropower lakes, which makes the country prone to energy shortages during dry years.
The NZ Battery Project aims to address this. One of the options being investigated is the Onslow pumped storage hydropower (PSH) scheme.
This Google Map shows the location of Lake Onslow in the South Island of New Zealand.
Note.
- Christchurch is in the North-East corner of the map.
- There is a spine of mountains with several large lakes.
- New Zealand generates just under 60 % of its electricity from hydroelectric power
- Stewart Island is off the South Coast of the island.
- Lake Onslow is marked by the red arrow.
New Zealand generates just under 60 % of its electricity from hydroelectric power, with 13 % from geothermal.
This document on the New Zealand Ministry of Business, Innovation and Employment, is entitled Lake Onslow Option.
In a section entitled Facts and Figures, this is said.
The Lake Onslow option referenced by the Interim Climate Change Committee could be anticipated to provide at least 5TWh of annual generation/storage. It is estimated to have a construction timeframe of 4-5 years, with commissioning and filling taking a further 2 years. At its construction peak, it is expected to create 3,500-4,500 skilled and semi-skilled jobs.
The Mirage News article says that Lake Onslow scheme will be able to generate 1.5 GW of electricity.
When full, it could generate 1.5 GW for over 4.5 days.
In The Monster In The Mountains That Could Save Europe’s Winter, I talk about Ulla-Førre, which is a large pumped storage hydro scheme in Norway.
- Ulla-Førre has a storage capacity of 7.8 TWh and a generating capacity of 2.1 GW
- Lake Onslow has a storage capacity of 5 TWh and a generating capacity of 1.5 GW
Wikipedia lists Fengning Pumped Storage Power Station in China, as the largest pumped storage hydroelectric power station in the world, because of an installed generating capacity of 3.6 GW.
But it is only a tiddler in terms of storage, when compared to the monsters in New Zealand and Norway.
The Mirage News article also gets serious about advantages of pumped storage hydropower.
Making The Investment Worthwhile
This is said about making the investment worthwhile.
Pumped storage hydropower is well known to be a cost-competitive option for energy storage. While the capital expenditure is high, the cost of the energy is one of the lowest, at 20-40 cents per kWh. Return on investment in pumped storage hydropower is considerably better than for conventional batteries.
Does the return on investment explain, why after nearly four decades in the UK since Dinorwig power station or Electric Mountain, opened in 1984, that the Scottish Highlands are being proposed as the home for several new pumped storage hydro power stations?
In Will Coire Glas Start A Pumped Storage Boom In Scotland?, I estimated that the potential could be over half a TWh of storage.
A Multi-Purpose Asset
This is said about designing the scheme as a multi-purpose asset.
The Onslow infrastructure provides a way of managing dry years by storing water during rainy periods.
It can also participate as a conventional electricity generator. This will have implications for the wholesale electricity market because variability (from renewable generators) is currently mitigated by existing hydropower and fossil-fuel generation.
From a technical perspective, the challenge for Transpower is to maintain a consistent frequency and voltage in the power network. The Onslow infrastructure will assist with frequency regulation for the entire electricity network.
It offers a fast-acting and large-scale dynamic load, as is the case for other pumped storage hydropower projects such as the UK’s Coire Glas project or France’s Grand Maison. Both are also located remotely in the network similar to Onslow.
Globally, PSH schemes are viewed as multi-purpose assets. The Wivenhoe Dam (in Queensland, Australia) is a lower reservoir for a pumped storage hydropower scheme and provides drinking water and flood mitigation for Brisbane.
Another example is the hydropower infrastructure of the Durance Valley in France. It was designed, built and regulated to guarantee the operator provides drinkable water (740 million cubic metres per year) for 5 million inhabitants. It also supplies water to more than 170,000 hectares of cultivated lands (1.5 billion cubic metres per year in a dry season), generates reliable low-carbon electricity (for over 2 million people per year) and protects the valley from extreme flooding – and it’s become a visitor attraction, drawing 2.5 million tourists annually.
Are we developing the new pumped storage hydro systems, so that they provide the greatest benefits to the inhabitants of Scotland and a wider UK?
Energy Dome To Partner With Ørsted For Energy Storage
The title of this post, is the same as that of this article on CleanTechnica.
This paragraph from the long article, gives details of the partnership.
I got a press release from Energy Dome this past week telling me that its technology has attracted interest from Ørsted, the Danish company that is a global leader in wind turbine technology. The two companies have signed a memorandum of understand that will allow them to explore the feasibility of deploying of a 20 MW/200 MWh Energy Dome facility at one or more Ørsted sites.
Is this the first deal between a major wind farm developer and a third-party non-lithium battery developer?
The article on CleanTechnica is very much a must-read and it goes into detail about the technology behind Energy Dome’s unique CO2 battery.
These are my thoughts.
Energy Dome Has A UK Office
Is this significant?
- The UK has a large need for energy storage than any other country in Europe, as we have lots of renewable energy generation, that could benefit.
- Most Italians speak good English.
- The UK government is prepared to develop innovative payment schemes for renewable energy.
- Their is a long history of Italians in the United Kingdom.
- Italians are distributed all over the UK.
- Some of the best Italian chefs are resident in the UK.
- The UK market is not biased against foreign customers.
I wouldn’t be surprised, if Energy Dome targeted the UK market.
Ørsted
Some facts about Ørsted.
- Ørsted are the largest energy company in Denmark.
- As of January 2022, the company is the world’s largest developer of offshore wind power by amount of built offshore wind farms.
- Ørsted own or have shares in fifteen offshore wind farms in the UK, which have a total capacity of 8731 MW.
- Ørsted have no interests in onshore wind in the UK.
- Ørsted divested itself of its last onshore wind farm in 2014.
The fact that Ørsted has partnered with Energy Dome is highly significant, as in my experience large powerful companies don’t partner with smaller start-ups without a lot of technical due diligence.
Use Of A 20 MW/200 MWh Energy Dome
I suspect that Ørsted will deploy their first 20 MW/200 MWh Energy Dome facility with onshore wind.
When you compare the 20 MW/200 MWh Energy Dome with the 1.5 GW/30 GWh Coire Glas pumped storage hydroelectric power station, it is only a fairly small storage system, in both terms of output and storage.
As an Electrical and Control Engineer, I suspect that will mainly be used with smaller offshore wind farms to smooth the output, rather than as serious stand-by power for a large GW-sized wind farm.
In the UK, Ørsted has three smaller wind farms, that could be suitable.
- Barrow – 90 MW
- Burbo Bank – 90 MW
- Gunfleet Sands 3 – 12W
Note.
- All are a few miles offshore.
- Gunfleet Sands 3 was built to test two l6 MW turbines.
- All the three wind farms are over twelve years old.
I think it is unlikely, that any of these three wind farms will be fitted with the Energy Dome.
I do believe though, that a 20 MW/200 MWh Energy Dome facility could work well with the Barrow wind farm, as it is a simple farm not connected to any others.
Can We Move The Equilibrium Point Of The Energy Market?
Equilibrium In Systems
As a Control Engineer, I believe that most systems eventually end up in a state of equilibrium.
How many football batches have you watched between two evenly-matched teams that have ended, where the statistics are even and the match has ended in a nil-nil draw or a win by one goal.
Now suppose one manager makes an inspired substitution, one important player gets injured or one player gets sent off.
One team will have an advantage, the statistics will no longer be even and one team will probably win.
The equilibrium point will have been shifted.
Zopa’s Stable Peer-to-Peer Lending System
I used Zopa’s peer-to-peer lending system for several years and found it a very stable system, that over the years paid a steady return of between four and five percent before tax.
I even developed a method to maximise my savings income, which I wrote about in The Concept Of Hybrid Banking.
It was a sad day for me, when Zopa closed its ground-breaking peer-to-peer lending system.
As a Control Engineer, I believe that Zopa’s strength was a well-written computerised algorithm, that matched lenders and borrowers and spread the risk.
- There was no bias in the system, introduced by personal prejudices.
- The algorithm was agnostic and judged all borrowers on their profiles and credit ratings alone.
- Money was allocated under fair rules for borrowers.
- I never borrowed from Zopa, but from my experience of owning half of a finance company, their terms were the most customer-friendly I’ve ever seen.
Someone will go back to the basics of peer-to-peer lending and it can’t be soon enough for both savers and borrowers.
Zopa In Troubled Times
Over the years that I invested in Zopa, my returns stayed very much the same, as the algorithm seemed to be able to maintain sufficient difference between lenders’ returns and borrowers’ rates. I also suspect the dynamics of savvy lenders and borrowers helped to stabilise both the system and the difference between rates.
It even worked through the Banking Crisis of 2008 and other mini-hiccups along the way.
My Conclusion About Zopa
As someone, who knows computing well, I would rate Zopa, one of the best computer systems, I’ve ever seen.
But it showed how a large transactional system can work well.
One of the keys to its success and smooth operation was that the computer was totally in control and it took all transaction decisions without direct human intervention.
The Energy Market
The energy market is a network of energy providers and users.
It is controlled by complicated rules and it has settled into an equilibrium, which involves.
- Importation of energy, which I suspect is not at a low price
- Some high priced energy generators, based on gas, which has a high-price, due to Putin’s war.
- Waste of wind energy due to lack of energy storage.
- The intermittency of renewable sources.
- A lack of gas storage, means that we probably get the wrong end of fluctuations in the gas price.
This results in a high price to consumers.
Can We Move The Equilibrium Point Of The Energy Market?
And we also need to move it quickly to a more favourable place, which benefits everybody!
As a Control Engineer, I believe that there are five ways to move the equilibrium point.
- Stop Putin’s war.
- Increase gas storage.
- Generate more low-cost electricity.
- Increase electricity storage.
- Improve the control algorithm.
I will now look at each in more detail.
Stopping Putin’s War
Giving in to Putin’s ambitions, would be an easy way to solve our energy crisis. But at what cost?
My parents generation, watched as Nazi Germany took over Austria and Czechoslovakia, whilst the world did nothing.
- We mustn’t repeat that mistake.
- We must not flinch in our support of the Ukraine.
- We must be ready to support Moldova, Finland and the Baltic States if Putin expands his ambitions.
I do wonder, if Boris will turn up with Churchillian-style anti-Putin rhetoric all over Eastern Europe.
Increasing Gas Storage
The major gas storage facility is Rough, which is handily close to the Easington gas terminal.
The facility needs maintenance and this paragraph from the Wikipedia entry gives the current status.
In May 2022, the Secretary of State for Business, Energy and Industrial Strategy, Kwasi Kwarteng, began talks with the site’s owners with a view to reopening the site to help ease the ongoing cost-of-living crisis in the United Kingdom. In June 2022, owners Centrica submitted an application to the North Sea Transition Authority (NSTA), the licencing authority for the UK Government, to reopen the facility. Approval was granted in July. Subsequently, Centrica indicated that they are working hard to restore storage operations at Rough which would depend on securing subsidies from the British government. Centrica was aiming to have some capacity available for the winter of 2022/23 against an overall plan to increase storage capacity gradually over time.
Note.
- Rough can store around 2832 million cubic metres of gas.
- This article on Energy Live News is entitled Reopening Of Rough Storage Gets The All-Clear.
Less well-known is SSE and Equinor’s Aldborough Gas Storage.
These three paragraphs from SSE web site, describe the gas storage.
The Aldbrough Gas Storage facility, in East Yorkshire, officially opened in June 2011. The last of the nine caverns entered commercial operation in November 2012.
The facility, which is a joint venture between SSE Thermal (66%) and Equinor, has the capacity to store around 330 million cubic metres (mcm) of gas.
SSE Thermal and Equinor have consent to increase the storage capacity at the Aldbrough site (Aldbrough Phase 2) and during the last couple of years have been working to involve the local community where appropriate to refine aspects of this project, which has not been progressed to date due to market conditions.
Future plans for the facility, may include converting it to one of the world’s largest hydrogen stores.
In the grand scheme of things, Rough and Aldborough, when you consider that the UK uses 211 million cubic metres of gas every day, will only keep us going for a few days.
But it should be noted, that the Easington gas terminal is connected to the Norwegian gas fields, by the Langeled pipeline.
So Yorkshire and Humberside will be alright.
Generating More Low-Cost Electricity
The only low-cost electricity of any size to come on stream will be wind-power.
This article on Renewables Now is entitled UK Hits 25.5 GW Of Wind Power Capacity.
These wind farms seem to be coming on stream soon or have been commissioned recently.
- Dogger Bank A – 1200 MW – Commissioning 2023 expected
- Dogger Bank B – 1200 MW – Commissioning 2024/25 expected
- Dogger Bank C – 1200 MW – Commissioning 2024/25 expected
- Hornsea Two – 1386 MW – Commissioned 2022
- Moray East – 950 MW – Commissioning 2022 expected
- Neart Na Gaoithe – 450 MW – Commissioning 2024 expected
- Seagreen – 1075 MW – Commissioning 2023 expected
- Triton Knoll – 857 MW – Commissioning 2022 expected
That is expected to be over 5 GW of offshore wind by the end of 2023.
In case there is some double counting, I’ll only say that wind power capacity could be near to 30 GW by December 2023, with perhaps another 3 GW by December 2024.
Other large wind farms in the future include.
- Berwick Bank – 4100 MW – Commissioning 2028 expected
- East Anglia Two – 900 MW – Commissioning 2026 expected
- East Anglia Three – 1400 MW – Commissioning 2027 expected
- Inch Cape Phase 1 – 1080 MW – Commissioning 2027 expected
- Hornsea Three – 2800 MW – Commissioning 2027 expected
- Moray West – 294 MW – Commissioning 2027 expected
- Morgan and Mona – 3000 MW – Commissioning for 2028 expected
- Morven – 2900 MW – Commissioning for 2028 expected
- Norfolk Boreas – 1400 MW – Commissioning 2027 expected
- Norfolk Vanguard – 1400 MW – Construction start planned for 2023
- Sofia – 1400 MW – Commissioning 2026 expected
That is over 14 GW of wind power.
I should also take note of solar and onshore wind power detailed in this document from the Department of Business, Industry and Industrial Strategy that lists all the Contracts for Difference Allocation Round 4 results for the supply of zero-carbon electricity.
It gives these figures and dates.
- Solar – 251 MW – Commissioning 2023/24 expected
- Solar – 1958 MW – Commissioning 2024/25 expected
- Onshore Wind – 888 MW – Commissioning 2024/25 expected
I can now build a yearly table of renewables likely to be commissioned in each year.
- 2022 – 3193 MW
- 2023 – 2275 MW
- 2024 – 701 MW
- 2025 – 5246 MW
- 2026 – 2300 MW
- 2027 – 6974 MW
- 2028 – 11400 MW
Note.
- Where a double date has been given, I’m taking the latter date.
- I have assumed that Norfolk Vanguard will be commissioned in 2028.
- I have ignored Hinckley Point C, which should add 3.26 GW in mid-2027.
- I have only taken into account one of the Scotwind wind farms in Scotland, some of which could be commissioned by 2028.
- I have assumed that BP’s Mona, Morgan and Morven will all be commissioned by 2028.
This is a total of 32 GW or an average of nearly 5 GW per year.
Increasing Electricity Storage
Big schemes like the 1.5 GW/ 30 GWh Coire Glas and 600 MW Cruachan 2 will help, but with 32 GW of renewable energy to be installed before 2028 and energy prices rocketing, we need substantial energy storage in the next couple of years.
One feasible plan that has been put forward is that of Highview Power’s CEO; Rupert Pearce,, that I wrote about in Highview Power’s Plan To Add Energy Storage To The UK Power Network.
The plan is to build twenty of Highview Power’s CRYOBatteries around the country.
- Each CRYOBattery will be able to store 30 GWh.
- Each CRYOBattery will be one of the largest batteries in the world.
- They will have three times the storage of the pumped storage hydroelectric power station at Dinorwig.
- They will be able to supply 2.5 GW for twelve hours, which is more output than Sizewell B nuclear power station.
Note.
- The first 30 GWh CRYOBattery is planned to be operational by late 2024.
- 600 GWh distributed around the country would probably be sufficient.
I believe that as these batteries are made from standard proven components, they could be built fairly quickly.
Paying For The Energy Storage
This press release from Highview Power is entitled New Analysis Reveals Extent Of UK Renewable Energy Waste, which makes these three bullet points.
- Enough renewable energy to power 500,000 homes a day wasted since the energy crisis began.
- 8 out of 10 Britons want more investment in boosting Britain’s energy resilience.
- UK spent £390 million turning off wind farms and using gas since September 2021.
Note.
- As the press release was published in July 2022, was the £390 million for ten months.
- Will this level of spend continue, as we’re not creating any electricity storage or building any factories that will start in a year or so, that will need large amounts of electricity?
- The Germans are at least building the NeuConnect interconnector between the Isle of Grain and Wilhelmshaven.
- As we’re adding up to 5 GW per year to our renewable energy systems, this problem will surely get worse and we’ll spend more money switching off wind turbines.
We have the money to build a very large amount of energy storage.
Improving The Control Algorithm
A better control algorithm would always help and politicians should only be allowed to set objectives.
Conclusion
There is a chance we’ll have an oversupply of electricity, but this will have effects in the UK.
- Gas-fired power-stations will be retired from front-line service to produce electricity.
- Some will question the need for nuclear power.
- Gas may even be used selectively to provide carbon dioxide for agricultural, scientific and industrial processes.
- Industries that need a lot of electricity may build factories in the UK.
- We will have a large supply of green hydrogen.
But it should bring the price of electricity down.
Pumped Storage Development In Scotland
The title of this post, is the same as that of this article on International Water Power & Dam Construction.
It describes and gives the current status of the two large pumped storage hydroelectric schemes under development in Scotland.
The 1.5 GW/30 GWh scheme at Coire Glass, that is promoted by SSE.
The Cruachan 2 scheme, that is promoted by Drax, that will upgrade Cruachan power station to 1.04 GW/7.2 GWh.
Note.
- Construction of both schemes could start in 2024, with completion in 2030.
- Both, SSE and Drax talk of a substantial uplift in employment during the construction.
- Both companies say that updated government legislation is needed for schemes like these.
The article is very much a must-read.
Conclusion
Welcome as these schemes are, given the dates talked about, it looks like we will need some other energy storage to bridge the gap until Coire Glas and Cruachan 2 are built.
Will Highview Power step forward with a fleet of their 2.5 GW/30 GWh CRYOBatteries, as was proposed by Rupert Pearce in Britain Will Soon Have A Glut Of Cheap Power, And World-Leading Batteries To Store It.
- The site needed for each CRYOBattery could be smaller than a football pitch.
- In Could A Highview Power CRYOBattery Use A LNG Tank For Liquid Air Storage?, I came to the conclusion that a single LNG tank could hold a lot of liquid air.
- The storing and recovery of the energy uses standard turbomachinery from MAN.
- Highview Power should unveil their first commercial system at Carrington near Manchester this year.
I am sure, that when they get their system working, they could build one in around a year.
The Creation Of The Coire Glas Monster
Loch Ness is probably most famous for the mythical monster, but it is about to be joined by a man-made monster of a different kind.
To the South-West of Loch Ness lies Loch Lochy.
This Google Map shows the South-Western part of the Great Glen, which runs diagonally across the Highlands from Fort William in the South-West to Inverness in the North-East.
Note.
- Fort Augustus in the North-East corner of the map, is at the South-West end of Loch Ness.
- In the South-West corner of the map, Loch Lochy can be seen.
- To the North-West of Loch Lochy, there are mountains.
This second Google Map shows Loch Lochy and the mountains.
SSE plan to create a pumped storage hydroelectric power station called Coire Glas.
- Loch Lochy will be the lower reservoir.
- The upper reservoir will be in the mountains to the North-West of the loch.
- Energy will be stored by pumping water from the lower to the higher reservoir.
- The power station will be able to provide 1.5 GW of electricity.
- The upper reservoir will be able to store enough water to generate 30 GWh of electricity.
If that isn’t a monster of a power station, I don’t know what is! It has more than three times the storage capacity of both Dinorwig or Cruachan.
This article on Utility Week, which is entitled Inside £1bn Pumped Hydro Plans To ‘More Than Double’ Britain’s Electricity Storage, gives more details.
This is the sort of heroic engineering, that will defeat Vlad the Mad and his bloodstained gas.
Can Highview Power’s CRYOBattery Compete With Pumped Storage Hydroelectricity?
In this article on the Telegraph, Rupert Pearce, who is Highview’s chief executive and ex-head of the satellite company Inmarsat, discloses this.
Highview is well beyond the pilot phase and is developing its first large UK plant in Humberside, today Britain’s top hub for North Sea wind. It will offer 2.5GW for over 12 hours, or 0.5GW for over 60 hours, and so forth, and should be up and running by late 2024.
The Humberside plant is new to me, as it has not been previously announced by Highview Power.
- If it is built it will be megahuge with a storage capacity of 30 GWh and a maximum output of 2.5 GW.
- Humberside with its connections to North Sea Wind, will be an ideal location for a huge CRYOBattery.
- The world’s largest pumped storage hydroelectric power station is Fengning Pumped Storage Power Station in China and it is 40 GWh.
Pumped storage hydroelectric power stations are the gold standard of energy storage.
In the UK we have four pumped storage hydroelectric power stations.
- Cruachan Power Station – 7.1 GWh
- Dinorwig Power Station (Electric Mountain) – 9.1 GWh
- Falls of Foyers – 10 GWh
- Ffestiniog Power Station 1 GWh
With two more under construction.
- Coire Glas Power Station – 30 GWh
- Red John Power Station – 2.8 GWh
As energy is agnostic, 30 GWh of pumped storage hydroelectric power at Coire Glas is the equivalent of 30 GWh in Highview Power’s proposed Humberside CRYOBattery.
Advantages Of CRYOBatteries Over Pumped Storage Hydroelectric Power
I can think of these advantages.
- Cost
- Could be build on the flat lands of East Anglia or Lincolnshire
- Factory-built
- NIMBYs won’t have much to argue about
- No dams
- No flooding of valleys
- No massive construction sites.
- No mountains required
- No tunnels
- Small footprint
I suspect that a large CRYOBattery could be built well within a year of starting construction.
Rupert Pearce’s Dream
The Telegraph article says this and I suspect it’s a quote from Rupert Pearce.
Further projects will be built at a breakneck speed of two to three a year during the 2020s, with a target of 20 sites able to provide almost 6GW of back-up electricity for four days at a time, or whatever time/power mix is optimal.
6 GW for four days is 576 GWh, which if it were spread around twenty sites is 28.8 GWh per site, which is just under the 30 GWh of the proposed Humberside CRYOBattery.
Conclusion
You can just imagine the headlines in The Sun!
Man In Bishop’s Stortford Shed Saves The World!
This story on the BBC, which is entitled Meet The British Inventor Who Came Up With A Green Way Of Generating Electricity From Air – In His Shed, explains my suggested headline.
Now that’s what I call success!
The Anonymous Widower 