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Archive for the category “wind”

Sif Terminal Rotterdam

Borssele 1-4 offshore wind parks (1.5 GW) now under construction. For the first time 8 MW and 9.5 MW turbines are being used offshore.

[source]

[offshorewind.biz] – Borssele III & IV to Feature MHI Vestas 9.5MW Turbines, Sif Monopiles
[offshorewind.biz] – Borssele III & IV Moving to Construction Phase
[4coffshore.com] – Borssele III & IV – Blauwwind Offshore Wind Farm
[nl.wikipedia.org] – Windpark Borssele

Wind Meets Gas in the Netherlands

The Dutch minister of “economic affairs and climate” is passing the message that the Netherlands commits itself to a hydrogen economy and that it expects to be a major player in the hydrogen business within a decade.

ScottishPower Into 100% Wind

[Google Maps] Shoreham gas power plant

Scottish power company ScottishPower announced on Tuesday that it has completed the sale of its traditional generation business to British electrical power generation company Drax Group for £702 million in cash, resulting in ScottishPower becoming the first integrated energy company in the UK to shift completely from coal and gas to wind power…

Note that the Shoreham plant won’t be decommissioned, so no short term climate advantages are realized here. But the signal is clear:

This makes ScottishPower the first vertically integrated UK energy company to exit coal and gas electricity generation and the first to transition to being powered entirely by renewable energies.

ScottishPower can set itself up as a “100% green power company” and expand its customer base accordingly.

[scottishpower.com] – 100% Green Generation for ScottishPower with Sale of Remaining Gas Plant
[cleantechnica.com] – ScottishPower Ditches Remaining Gas Plants In Move To 100% Wind
[deepresource] – World-Record Pumped-Hydro Storage for Scotland?
[Google Maps] – Location Southern England (not Scotland)

Offshore Wind Capacity Factors

[source]

The general rule is: the bigger and the newer the offshore wind turbines, the larger the capacity factor becomes and hence the lower the per kWh price.

[energynumbers.info] – Danish data
[energynumbers.info] – German data
[energynumbers.info] – UK data
[energynumbers.info] – Belgian data

The champion: Dudgeon (last 12 months) ==> *** 65.3% ***

Dudgeon: 67 Siemens 6 MW turbines, 32 km offshore Norfolk, operational since October 2017, owners Statoil, Masdar, Statkraft, water depth 18-25 m, rotor axis 110 m, rotor diameter 154 m, nameplate capacity factor 48%

[4coffshore.com] – Dudgeon UK offshore wind farm 402 MW
[wikipedia.org] – Dudgeon Offshore Wind Farm
[wikipedia.org] – Capacity factor

[ge.com] – Haliade-X Offshore Wind Turbine Platform

The Haliade-X 12 MW also features a 63% capacity factor*—five to seven points above industry standard. Each incremental point in capacity factor represents around $7 million in revenue for our customers over the life of a windfarm.

Self-Climbing Crane Making Progress

The idea is to substantially cut cost installing a wind turbine by using the turbine itself as a crane. The first (positive) experiences are now in with the construction of a 4.5 MW turbine. Large cranes are no longer necessary anymore.

[rvo.nl] – Bouw windturbine snel gerealiseerd dankzij zelf klimmende hijskraan
[orlaco.nl] – Zelfklimmende kraan kan niet zonder camera’s
[deepresource] – World Primeur – Lagerwey Self-Climbing Crane in Action
[deepresource] – Lagerwey Climbing Crane

Siemens Gamesa & Van Oord To Build 380 MW Fryslân Wind Farm

Power: 382 MW
Turbines: 89 4.3 MW Siemens-Gamesa
Operational: mid 2021
Construction cost: 500 million euro

[windparkfryslan.nl] – Official project site
[4coffshore.com] – Windpark Fryslân Offhore Wind Farm
[cleantechnica.com] – Siemens Gamesa & Van Oord Chosen To Build 380 Megawatt Fryslân Nearshore Wind Farm
[offshorewind.biz] – All Clear for Windpark Fryslân Construction

Expertise Hub Interviews

Westermeerwind Offshore Windpark Construction

Siemens promo.

Britain Rules the Waves of Offshore Wind

This graph depicts the total amount of offshore wind projects that are “in the pipeline”, a branch of sport dominated by Europeans, who are lucky to own large, shallow water tables in the North Sea, Irish Sea and Baltic Sea, with excellent wind speeds (>10 m/s average). These 600,000 km2 combined have the potential to supply the entire EU with clean electricity three times the current consumption. Currently the British are adopting wind energy at a breath-taking speed, pun intended, although the developers and equipment producers are mainly continental Europeans, that is Danish, Germans, Dutch, Norwegians, Swedish, whose industries are growing rapidly and have the potential to become the successors of the Anglo Seven Sisters oil giants of the 20th century.

[cleantechnica.com] – UK Leads Offshore Wind Rankings As Global Pipeline Increases 10% In 2018, Reports RenewableUK
[deepresource] – The Enormous Energy Potential of the North Sea
[wikipedia.org] – Seven Sisters (oil companies)
[deepresource] – Gold Mine North Sea
[deepresource] – Goldmine Windenergy

Dockwise Used to Transport Windfarm Jackets From Gulf

Offshore wind moving into the area formerly reserved for giant oil platforms only. The world’s largest heavy lifting vessel Dockwise Vanguard of the Dutch based Boskalis was used to transport 36 jackets from Lamprell’s construction yard in Jebel Ali to Vlissingen, from where they will eventually be installed in the 714 MW East-Anglia ONE offshore wind farm. Partners: ScottishPower Renewables (developer), Boskalis & van Oord (logistics), Lamprell (jackets), Siemens (102 x 7 MW turbines + rotor blades).

[offshorewind.biz] – Lamprell Hires Dockwise to Transport East Anglia ONE Jackets
[offshorewind.biz] – First Lamprell-Produced EA1 Jackets Arrive in Vlissingen
[wikipedia.org] – East Anglia Array

Two-Blade Wind Turbines Are Back, This Time Offshore

Why three blades if two blades work as well? It is all the fault of 1970s Danish garage pioneers, who insisted there needed to be three blades. NASA did experiment at the same time with 2-blades (WTS-4), but that project was cancelled under Reagan, who decided that oil was American, not wind. And now we are stuck with three blades.

Or are we? The originally Dutch company Sea Wind Technology is betting on two-blades, especially for offshore, with higher wind speeds (higher loads) and more difficult installation.

Advantages two blades:

– simpler design
– less material (50% less weight, no heavy tower/monopiles necessary)
– easier offshore transportation and mounting (just pile them up)
– simpler installation vessels, flat barges suffice
– more rotor flexibility, 2 degrees of freedom: rotating and teetering, reducing load
– 2% less electricity gain, but offset by much lower installation and operational cost
– Levelized cost (LCOE) reduction: 50%

[seawindtechnology.com] – Company site
[linkedin.com] – Two-bladed offshore turbines could cut the cost of energy by 50%
[linkedin.com] – Why two blades are better than three for floating wind turbines
[crunchbase.com] – Seawind Ocean Technology
[windpowermonthly.com] – Are three blades really better than two? (2011)
[interestingengineering.com] – The Scientific Reason Why Wind Turbines Have 3 Blades

Offshore wind hub Eemshaven in the Netherlands. After [1:30] you see an (onshore) two-bladed windturbine in operation.

[gic.nl] – Nieuw type windmolen met slechts twee wieken getest in Eemshaven

Read more…

Boskalis Monopile Scour Protection

[wikipedia.org] – Boskalis

[source]

Dutch Company TenneT Plans 30 GW Offshore Wind Park

Dutch grid company TenneT is working on a serious plan to build a giant wind park of 30 GW in the middle of the North Sea, on the Dogger Bank, around a to-be-build artificial energy island (€1.5 billion), that is supposed to work as a power hub to distribute wind power to the surrounding countries Holland, Britain, Norway, Denmark and Germany. The island could be completed as early as 2027. The wind park will dwarf anything we have seen so far in the realm of offshore wind (think 630 MW).

[theguardian.com] – Is this the future? Dutch plan vast windfarm island in North Sea
[businessinsider.com] – The Dutch plan to build the world’s biggest wind farm
[wikipedia.org] – Dogger Bank

Read more…

“Coming 10-15 Years Offshore Wind Will Be Booming”

Key figures power production The Netherlands

Average power consumption: 13 GW
Total power capacity: 29 GW
Size coming generation turbines: 8 MW nameplate power
North offshore capacity factor: 50% nameplate power

In other words: the Netherlands needs to install 13 GW / 8 MW / 0.50 = 3250 offshore 8 MW wind towers.
Modern jack-up vessels like the Aeolus (see video below) can install a single wind tower per 24h.
In other words, the energy transition of the Netherlands can in theory be accomplished within 10 years with a single jack-up ship. Dutch companies have several of these ships operational.

The bottle neck is not installing the monopiles but storing the generated wind power and convert it into H2 or NH3.

[offshorewind.biz] – Sif Gathers Steam in 2017

De-icing Wind Turbines

Haliade-X 12 MW Largest Offshore Wind Turbine To Date

The French company Alsthom (owned by General Electric) has presented what is the largest offshore wind turbine to date, the Haliade-X, with a nameplate power of 12 MW and a record capacity factor of 63%. One turbine generates enough electricity to power a small city of 16,000 French households. Rotor blades: 107 meter. Yearly production: 67 GWh.

The turbines will be built in Saint-Nazaire, Western France:

[offshorewind.biz] – GE Unveils Operation Haliade-X 12 MW
[gerenewableenergy.com] – HALIADE-X Offshore Wind Turbine Platform
[cleantechnica.com] – GE Announces World’s Most Powerful Offshore Wind Turbine, The Haliade-X

Kijkje in een Windmolen

E.A.Z. Small Wooden Wind Mills

[wattisduurzaam.nl] – Groningse startup EAZ Wind plaatst 100e houten windmolen

Read more…

Siemens Reports EROI Onshore Wind of 50 or Larger

Siemens SWT-3.2-113

According to the manufacturer Siemens has their SWT-3.0-113 wind turbine an energy payback time of 4.5 months. With a (conservative) minimum life span of 20 years, that would mean an EROI of 240/4.5 = 53.

[siemens.com] – Press release

Power to Gas: That’s how Wind Power is Stored

Technology has matured enough to produce effective wind turbines. The next technological challenge is how to store intermittent electricity generated by these wind turbines. The most promising technology is power-to-gas: use electricity from wind to split water in H2 and O2 molecules and burn (reunited) them at a later point in time.

This project produces 163 bar hydrogen, without the need of an external compressor. The resulting hydrogen can be directly fed into the existing natural gas network.

[omv.com] – Hydrogen technology
[omv.com] – Renewable energy? Let’s store it!

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