Prysmian Completes HVDC Submarine Cable Testing
The title of this post, is the same as that of this article on renews.biz.
The article has this sub-heading.
The ‘first’ 525kV extruded wire can increase maximum transmission capacity up to more than 2.5GW.
This paragraph gives the implications of this new maximum transmission capacity.
This will enable a massive increase of the maximum transmission capacity of bi-pole systems up to more than 2.5GW, which is more than double the value achieved with 320kV DC systems currently in service, Prysmian said.
As in the future we will have many more large offshore wind farms in the UK, this surely must mean that we will find connecting them up a lot easier.
Three Shetland ScotWind Projects Announced
The title of this post, is the same as that of this press release on Crown Estate Scotland.
These three paragraphs outline how the leases were allocated.
Three projects will be offered seabed agreements for offshore wind projects following Crown Estate Scotland’s ScotWind clearing process.
The announcement comes as an offshore wind supply chain summit is held in Aberdeen today (22 August) with Sir Ian Wood, chaired by Michael Matheson MSP, Cabinet Secretary for Energy, and including a keynote address by First Minister Nicola Sturgeon MSP.
Clearing saw the ‘NE1’ area east of Shetland made available for ScotWind applicants who met the required standards but who did not secure their chosen location earlier in the leasing process.
I think it was good idea to offer these leases to those bidders that failed to get a lease, the first time around, despite meeting the standards.
- Would it encourage bidders, if they knew that after the expense of setting up a bid, that if they failed, they could have another chance?
- It must also save the Scottish Government time and money checking out bidders.
- How many times have you interviewed several applicants for a job and then found jobs for some of those, that you didn’t choose for the original job?
Let’s hope the philosophy has generated some good extra contracts.
This map from Cross Estate Scotland shows all the contracts.
Note the three new leases numbered 18, 19 and 20 to the East of Shetland, in the North-East corner of the map.
Their details are as follows.
- 18 – Ocean Winds – 500 MW
- 19 – Mainstream Renewable Power – 1800 MW
- 20 – ESB Asset Development – 500 MW
Note.
All are floating wind farms.
- Ocean Winds is a Spanish renewable energy company that is developing the Moray West and Moray East wind farms.
- Mainstream Renewable Power appear to be a well-financed and ambitious company, 75 % owned by Aker.
- ESB Energy appear to be an experienced energy company owned by the Irish state, who operate several wind farms and Carrington gas-fired power station in the UK.
2.8 GW would appear to be a generous second helping.
Ocean Winds and Mainstream Renewable Power
This web page on the Ocean Winds web site, is entitled Ocean Winds Designated Preferred Bidder For Seabed Leases For 2.3 GW Of Floating Projects East Of Shetland, Scotland, contains several snippets of useful information.
- Crown Estate Scotland announced the result of ScotWind Leasing round clearing process, awarding Ocean Winds with two seabed leases for floating offshore wind projects: a 1.8 GW capacity site with partner Mainstream Renewable Power, and another 500 MW capacity site, east of the Shetland Islands.
- Ocean Winds’ international portfolio of projects now reaches 14.5 GW of gross capacity, including 6.1 GW in Scotland.
- Floating wind turbines for the two adjacent sites are confirmed, because of the water depth.
- The partners are committed to developing floating offshore wind on an industrial scale in Scotland, generating local jobs and opportunities in Scotland and the Shetland Islands.
- From the picture on the web page, it looks like WindFloat technology will be used.
- Ocean Winds developed the WindFloat Atlantic project.
Ocean Winds appear to want to go places.
The Shetland HVDC Connection
The Shetland HVDC Connection will connect Shetland to Scotland.
- It will be 160 miles long.
- It will have a capacity of 600 MW.
- It is estimated that it will cost more than £600 million.
- It will allow the 66MW Lerwick power station to close.
- It will be completed in 2024.
I have a feeling that all these numbers don’t add up to a sensible answer.
Consider.
- The three offshore wind farms can generate up to 2800 MW of green electricity.
- With a capacity factor of 50 %, an average of 1400 MW of electricity will be generated.
- The Viking onshore wind farm on Shetland could generate up to 450 MW.
- More wind farms are likely in and around Shetland.
- Lerwick power station can probably power most of the Shetland’s needs.
- Lerwick power station is likely to be closed soon.
- Sullum Voe Terminal has its own 100 MW gas-turbine power station.
- Load is balanced on Shetland by 3MWh of advanced lead-acid batteries.
- Lerwick has a district heating scheme.
If we assume that Shetland’s energy needs are of the order of a few hundred MW, it looks like at times the wind farms will be generating more electricity, than Shetland and the Shetland HVDC Connection can handle.
Various plans have suggested building electrolysers on Shetland to create hydrogen.
Conversion of excess electricity to hydrogen, would have the following advantages.
- The hydrogen could be used for local heavy transport and to replace diesel.
- Hydrogen could be used to fuel a gas turbine back-up power station, when needed.
- Hydrogen could be used for rocket fuel, if use of Shetland as a Spaceport for launching satellites takes off.
Any excess hydrogen could be exported to the rest of the UK or Europe.
First Power At Scotland’s Largest Offshore Wind Farm
The title of this post, is the same as that of this press release from Seagreen wind farm.
These two paragraphs summarize the project and its start-up.
TotalEnergies and its partner SSE Renewables, has announced first power generation from the Seagreen offshore wind farm, 27km off the coast of Angus in Scotland.
The first turbine of a total of 114, was commissioned in the early hours of Monday morning. The aim is for the 1075 MW farm to be fully operational in the first half of 2023. The £3bn Seagreen project will be Scotland’s largest offshore wind farm and the world’s deepest fixed bottom wind farm as it is being developed in up to water depths of 59 meters.
It looks like 1075 MW cost £3billion, so I suspect it’s reasonable to say that offshore fixed-foundation wind farms cost about £2.79billion per GW.
The press release also says this about yearly output.
When fully operational, the site will produce around 5 terawatt hours (TWh) of renewable electricity per year, enough to power the equivalent of 1.6 million households.
That looks like an expected capacity factor of 53.1 %.
Germany Has Potential For 82 GW Of Offshore Wind
The title of this post, is the same as that of this article on Renewables Now.
These are the two introductory paragraphs.
Germany has the potential to raise its offshore wind energy capacity to 81.6 GW which is above the federal government’s target of 70 GW by 2045, a study by research institute Fraunhofer IWES shows.
To exploit all the potential for wind energy in the North Sea and the Baltic Sea, Germany needs to devise a strategy for more efficient use of the available space and use new offshore wind power technologies in additional areas in a way that will not raise concerns and affect nature conservation.
This map shows the German parts of the North Sea and the Baltic Sea.
Note.
- White lines show the borders with The Netherlands, Denmark and Poland.
- Heligoland in the South-East corner of the North Sea. Could this island be used as a giant offshore substation?
- There are plenty of ports to service offshore developments.
- It looks like compared to the UK, a fair proportion of German offshore wind farms will be closer to the land.
Currently, Germany has 7.8 GW of offshore wind in operation, with around seventy percent of the turbines in the North Sea.
According to the Wikipedia entry called Wind Power In The UK, in 2019, the UK had installed 8.4 GW of offshore wind turbines, and there could be a potential to have a total of 120 GW in British waters.
With the Belgians, Danes, Dutch, Irish, Norwegians, Poles and Swedes joining this party, I can see the world’s largest wind power station being developed in the North and Baltic Seas.
Bord na Mona Planning Offaly Hydrogen Project As New Wind Farm Is Switched On
The title of this post, is the same as that of this article on OffalyLive.
The policy of the Bord na Mona is described in detail in the article.
This paragraph describes the green hydrogen development.
The development will be two megawatts and will comprise a hydrogen electrolysis plant containing an electrolyser, three high pressure hydrogen storage units, a generator, a substation and an underground cable connecting to a wind turbine 600 metres away.
Surely, this hydrogen will have the right to be marketed as genuine Irish green hydrogen!
For those of you, who are confused by the various colours of hydrogen, this page on the National Grid web site, which is entitled The Hydrogen Colour Spectrum gives a useful guide.
Note that there is no orange hydrogen defined as yet, but there is a yellow hydrogen defined like this.
Yellow hydrogen is a relatively new phrase for hydrogen made through electrolysis using solar power.
So it does look, that yellow hydrogen, which could be called orange hydrogen at a pinch, is as environmentally-friendly as green hydrogen.
Bombora Wraps Tank Trials Of Its Floating Hybrid Energy Platform
The title of this post, is the same as that of this article on offshoreWIND.biz.
This is the introductory paragraph.
Bombora Wave Power has completed tank testing of its floating foundation system suitable for the InSPIRE solution, which combines the mWave wave energy technology with a wind turbine onto a single floating offshore platform.
This second paragraph gives details of the power output of the hybrid energy platform.
The tank testing program at FloWave follows the pre-FEED phase of the InSPIRE project completed earlier in 2022, based on the integration of a 4MW mWave solution with a 10MW wind turbine on a single semi-submersible floating foundation system.
4 MW seems a worthwhile increase in power, that can probably be handled by the existing cables and substations.
UK CfD Round 4 Offshore Wind Projects Power Forward
The title of this post, is the same as that of this article on offshoreWIND.biz.
These are the first two paragraphs.
All 99 contracts offered through the fourth Allocation Round (AR4) of the UK government’s Contracts for Difference (CfD) scheme have now been signed and returned to Low Carbon Contracts Company (LCCC).
A total of 93 individual projects across Britain will now proceed to work with LCCC to meet the contractual milestones specified in the CfD, supporting projects’ development and the delivery of almost 11 GW of clean energy. The first AR4 projects are due to come online in 2023-24.
It does look like it’s a case of all systems go!
In Will We Run Out Of Power This Winter?, I estimated that these Round 4 projects would come onstream as follows.
- 2024 – Round 4 Solar – 125.7 MW
- 2025 – Round 4 Solar – 1958 MW
- 2025 – Round 4 Onshore Wind – 888 MW
- 2025 – Round 4 Energy from Waste – 30 MW
- 2026 – Round 4 Tidal Stream – 5.62 MW
- 2027 – Round 4 Tidal Stream – 35.2 MW
- 2027 – Round 4 Floating Offshore Wind – 32 MW
- 2027 – Round 4 Offshore Wind – 6994 MW
These are totals for the next four years from these contracts.
- 2024 – 125.7 MW
- 2025 – 2876 MW
- 2026 – 5.62 MW
- 2027 – 7061.2 MW
This is a total of over 10 GW.
Is The Morocco-UK Power Project Just A Taste Of The Future?
After writing WSP Lends Hand On Morocco-UK Power Link, about WSP’s involvement in the ambitious project to create a 3.6 GW interconnector to bring power from Morocco to the UK, I’m now certain, that this major project will come to fruition.
Out of curiosity, I created this Google Map of North-West Africa.
Note.
- Morocco is at the North edge of the map.
- The map is filled with the Sahara Desert.
- The Caqnary Islands are off the coast of Africa.
- Three of the least developed countries in the world; Western Sahara, Mauritania and Mali, circle the desert to the South-West and South.
I do wonder if the Morocco-UK Power Project is a success, if other developers and countries will decide to developer their renewable energy resources.
- France, Portugal and Spain may want to get involved.
- High-Temperature Electrolysis boosted by solar energy, could be used to generate hydrogen for shipment to Europe.
- The interconnectors to Europe will be upgraded.
Given the size of the desert, I’m sure that several GW of electricity could be delivered to Europe.
Renewable Power’s Effect On The Tory Leadership Election
I wouldn’t normally comment on the Tory Leadership Election, as I don’t have a vote and my preference has already been eliminated.
But after reading this article on the Telegraph, which is entitled Britain Will Soon Have A Glut Of Cheap Power, And World-Leading Batteries To Store It, I feel I have to comment both about this election and the General Election, that will follow in a few years.
These two paragraphs from the article illustrate the future growth of offshore wind power.
It is a point about the mathematical implications of the UK’s gargantuan push for renewables. Offshore wind capacity is going to increase from 11 to 50 gigawatts (GW) by 2030 under the Government’s latest fast-track plans.
RenewableUK says this country currently has a total of 86GW in the project pipeline. This the most ambitious rollout of offshore wind in the world, ahead of China at 78GW, and the US at 48GW.
If we assume that there is eight years left of this decade, that means that we should install about 4.9 GW of offshore wind every year until 2030. If we add in planned solar and onshore wind developments, we must be looking at at least 5 GW of renewable energy being added every year.
We have also got the 3.26 GW Hinckley Point C coming on stream.
I think we can say, that when it comes to electricity generation, we will not be worried, so Liz and Rishi can leave that one to the engineers.
If we have an electricity problem, it is about distribution and storage.
- We need more interconnectors between where the wind farms are being built and where the electricity will be used.
- National Grid and the Government have published plans for two interconnectors between Scotland and England, which I wrote about in New Electricity ‘Superhighways’ Needed To Cope With Surge In Wind Power.
- We need energy storage to back up the wind and solar power, when the wind isn’t blowing and the sun isn’t shining.
I think it is reasonable to assume, that we will get the interconnectors we need and the Telegraph article puts forward a very feasible and affordable solution to the energy storage problem, which is described in these two paragraphs from the article.
That is now in sight, and one of the world leaders is a British start-up. Highview Power has refined a beautifully simple technology using liquid air stored in insulated steel towers at low pressure.
This cryogenic process cools air to minus 196 degrees using the standard kit for LNG. It compresses the volume 700-fold. The liquid re-expands with a blast of force when heated and drives a turbine, providing dispatchable power with the help of a flywheel.
The article also talks of twenty energy storage systems, spread around the UK.
- They will have a total output of 6 GW.
- In total they will be able to store 600 GWh of electricity.
The first one for Humberside is currently being planned.
Surely, building these wind and solar farms, interconnectors and energy storage systems will cost billions of pounds.
Consider.
- Wind and solar farms get paid for the electricity they generate.
- , Interconnectors get paid for the electricity they transfer.
- Energy storage systems make a profit by buying energy when it’s cheap and selling it, when the price is better.
- In World’s Largest Wind Farm Attracts Huge Backing From Insurance Giant, I talked about how Aviva were funding the world’s largest wind farm at Hornsea.
- National Grid has a history of funding interconnectors like the North Sea Link from large financial institutions.
I believe that the islands of Great Britain and Ireland and the waters around our combined shores will become the largest zero-carbon power station in the world.
This will attract engineering companies and financial institutions from all over the world and we will see a repeat of the rush for energy that we saw for oil and gas in the last century.
If we get the financial regime right, I can see a lot of tax money flowing towards the Exchequer.
The big question will be what do we do with all this energy.
- Some will be converted into hydrogen for transport, the making of zero-carbon steel and cement and for use as a chemical feedstock.
- Industries that use a lot of electricity may move to the UK.
- A large supply of electricity and hydrogen will make it easy to decarbonise housing, offices and factories.
The Telegraph article also says this.
Much can be exported to the Continent through interconnectors for a fat revenue stream, helping to plug the UK’s trade deficit, and helping to rescue Germany from the double folly of nuclear closures and the Putin pact. But there are limits since weather patterns in Britain and Northwest Europe overlap – partially.
I suspect that more energy will be exported to Germany than most economists think, as it will be needed and it will be a nice little earner for the UK.
Given the substantial amount of German investment in our wind industry, I do wonder, if Boris and Olaf did a deal to encourage more German investment, when they met in April this year.
- BP have been backed with their wind farms by a German utility company.
- RWE are developing the Sofia wind farm.
- Only last week, the deal for the NeuConnect interconnector between the Isle of Grain and Wilhelmshaven was signed.
- Siemens have a lot of investments in the UK.
I wouldn’t be surprised to see more German investments in the next few months.
The Golden Hello
Has there ever been a Prime Minister, who will receive such a golden hello, as the one Liz or Rishi will receive in September?
The Tory Leadership Election
Some of the candidates said they would reduce taxes , if they won and Liz Truss is still saying that.
I wonder why Rishi isn’t saying that he would reduce taxes, as he must know the cash flow that is coming. It may be he’s just a more cautious soul.
Britain Will Soon Have A Glut Of Cheap Power, And World-Leading Batteries To Store It
The title of this post, is the same as that of this article on the Telegraph.
This is the first four paragraphs.
Today’s electricity price shock is the last crisis of the old order. Britain will soon have far more power at times of peak production than it can absorb. The logistical headache will be abundance.
Wind and solar provided almost 60pc of the UK’s power for substantial stretches last weekend, briefly peaking at 66pc. This is not to make a propaganda point about green energy, although this home-made power is self-evidently displacing liquefied natural gas (LNG) imported right now at nosebleed prices.
It is a point about the mathematical implications of the UK’s gargantuan push for renewables. Offshore wind capacity is going to increase from 11 to 50 gigawatts (GW) by 2030 under the Government’s latest fast-track plans.
RenewableUK says this country currently has a total of 86GW in the project pipeline. This the most ambitious rollout of offshore wind in the world, ahead of China at 78GW, and the US at 48GW.
The article goes on to give a comprehensive account of where we are with renewables, where we are going and how we will handle things, when the wind doesn’t blow.
Dogger Bank
The article says this about the Dogger Bank wind farm, which is being developed by SSE.
The giant hi-tech turbines to be erected on the Dogger Bank, where wind conditions are superb, bear no resemblance to the low-tech, low-yield dwarves of yesteryear. The “capacity factor” is approaching 60pc, which entirely changes the energy equation.
A capacity factor of 60 % seems a bit high to me and is what can be expected with the latest floating turbines. But these are fixed to the sea floor.
The Wikipedia entry for the Dogger Bank wind farm, says this about the building of the the first two sections of the massive wind farm.
On 21 September 2020, it was announced that Dogger Bank A and B will use 190 GE Haliade-X 13 MW offshore wind turbines over both sites, meaning that 95 turbines will be used on each site.[19] The availability of upgraded Haliade-X turbines rated at 13 MW rather than 12 MW means that each site will be capable of generating up to 1.235 GW, for a total of 2.47 GW. Turbines will be pre-assembled at Able Seaton Port in Hartlepool, an activity that will lead to the creation of 120 skilled jobs at the port during construction. Turbine installation is expected to commence in 2023 at Dogger Bank A.[20] Power Purchase Agreements (PPA) for 15 years were signed in November 2020. Offshore cable laying started in April 2022. Installation of the turbine foundations was started in July 2022.
This GE data sheet about the Haliade-X offshore wind turbine, says this about capacity factor.
it also features a 60-64% capacity factor above industry standard. Capacity factor compares how much energy was generated against the maximum that could have been produced at continuous full power operation during a specific period of time.
A 60-64% capacity factor is exceptional.
Current plans for Dogger Bank indicate that 3.6 GW will be installed and operational by 2024/25.
Could that mean that Dogger Bank will be able to deliver 2.16 GW almost continuously, on GE’s figures? Sizewell B is only 1.25 GW.
Sofia Wind Farm
There was going to be a fourth section to Dogger Bank, but this is now the separate Sofia wind farm.
- It is being developed by RWE.
- The first phase of three has a capacity of 1.4 MW. Does that mean Sofia will eventually be a 4.2 GW wind farm?
- RWE seem to be putting in a very large offshore substation. Could this support a lot more turbines?
- The wind farm seems to be using high-specification SiemensGamesa 14MW SG 14-222 DD wind turbines, which have a Power Boost facility to deliver up to 15 MW.
- I can’t find anything about capacity factor.
Wikipedia gives a delivery date of 2023 for the first phase of Sofia.
Storing Electricity
The article says this about storing electricity.
Much of the power will have to be stored for days or weeks at a time. Lithium batteries cannot do the job: their sweet spot is two hours, and they are expensive. You need “long duration” storage at a cost that must ultimately fall below $100 (£82) per megawatt hour (MWh), the global benchmark of commercial viability.
That is now in sight, and one of the world leaders is a British start-up. Highview Power has refined a beautifully simple technology using liquid air stored in insulated steel towers at low pressure.
I have had Highview Power on my radar for some time.
Highview Power
What is there not to like about Highview Power?
- The original idea was developed in a shed in Bishop’s Stortford, by a lone inventor.
- Sumitomo are one of their backers.
- They are also backed by English Universities and the UK Government.
- They have run a successful pilot plant in Bury.
- They are now building their first full-size 50 MW/250 MWh commercial plant at Carrington near Manchester.
- Much of the equipment they use to build their batteries is standard equipment from world-class companies like MAN.
- There are no exotic and expensive materials used.
The writer of the article has obviously had a long chat with Rupert Pearce, who is Highview’s chief executive and ex-head of the satellite company Inmarsat.
Pearce happily discloses this monster.
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.
Note.
- The world’s largest battery is at Ouarzazate Solar Power Station in Morocco and it is 3 GWh.
- Highview’s Humberside battery is megahuge at 30 GWh.
- The world’s largest pumped storage power station is Fengning Pumped Storage Power Station in China and it is 40 GWh.
- My experience of doing the calculations for large reaction vessels and other structures, tells me, that Highview should be able to construct huge systems.
I suspect that it will be easier and more affordable to build the Humberside battery.
This is another pair of paragraphs.
Mr Pearce said Highview’s levelised cost of energy (LCOE) would start at $140-$150, below lithium, and then slide on a “glide path” to $100 with over time. The company has parallel projects in Spain and Australia but Britain is the showroom.
“The UK is a fantastic place to do this. It has one of the most innovative grids in the world and an open, fair, liquid, market mechanism with absolute visibility,” he said.
It looks to me, that Rupert Pearce has taken Highview Power to a different level, in his short tenure at the company.
The world will soon be very familiar with the name of Highview Power.
The Anonymous Widower 