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Swedish wind turbine maker SeaTwirl got the go-ahead to test its 1 megawatt (MW) S2X vertical-axis floating offshore prototype in Norway.

Vertical-axis floating wind turbine pilot

In March 2022, Norway’s Ministry of Energy gave approval to SeaTwirl and Norwegian offshore wind test center Marine Energy Test Centre to pilot the vertical-axis floating wind prototype for five years at a former fish farm in Boknafjorden, northeast of Lauplandsholmenoff, 700 meters (2,297 feet) from the coast.

But four groups – the Norwegian Environmental Protection Association, the Norwegian Fishermen’s Association, and two campaign groups – appealed against SeaTwirl’s permit, and so the project was put on ice.

Yesterday, the Norwegian Water Resources and Energy Directorate rejected the appeal, so SeaTwirl’s S2X pilot can now proceed, and no further appeals will be considered.

CEO Peter Laurits said:

Our main focus is the commercialization of large turbines, SX, in floating wind farms. The outcome provides freedom to choose and plan the installation of S2x in the way that best supports that goal.

How S2X works

SeaTwirl says that “multiple S2xs can be placed in a dense pattern for increased output.” The company’s reasoning for building vertical (instead of horizontal) axis floating turbines is this:

The simplicity of the design and low center of gravity are the big advantages. All moving parts and electrical systems are easily accessible [and] close to the water’s surface, lowering maintenance costs.

The S2X prototype is 55 meters (180 feet) above sea level, and it’s around 80 meters (262 feet) below sea level. The turbine diameter is 50 meters (164 feet). Its rotor blade height is around 40 meters (131 feet). Its optimal operating depth is 100 meters (328 feet) and deeper.

SeaTwirl isn’t the only company testing vertical-axis wind turbines off the Norwegian coast – earlier this month, aluminum and energy giant Hydro and floating wind specialist World Wide Wind announced that they’re going to test a vertical-axis wind turbine made out of aluminum.

Read more: These companies will build a floating wind turbine out of aluminum


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Daily Ev Recap: Ultra-fast charging adds 370 miles of range in 10 minutes

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Daily Ev Recap:  Ultra-fast charging adds 370 miles of range in 10 minutes

Listen to a recap of the top stories of the day from Electrek. Quick Charge is now available on Apple PodcastsSpotifyTuneIn and our RSS feed for Overcast and other podcast players.

New episodes of Quick Charge are recorded Monday through Thursday and again on Saturday. Subscribe to our podcast in Apple Podcast or your favorite podcast player to guarantee new episodes are delivered as soon as they’re available.

Stories we discuss in this episode (with links)

Everrati rebrands B2B EV conversion arm to ‘Powered by Everrati’ amid clientele increase

Tesla Cybertruck owner gets quoted over $30,000 for Powershare installation

CATL unveils world’s first LFP battery with 4C ultra-fast charging for 370-mi in 10 mins

Tesla (TSLA) surges on Elon Musk trying to ride AI wave

Tesla expects its 4680 battery cells to be cheaper than suppliers by end of year

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Drop us a line at tips@electrek.co. You can also rate us in Apple Podcasts or recommend us in Overcast to help more people discover the show!

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Daily Ev Recap:  Ultra-fast charging adds 370 miles of range in 10 minutes

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You’re reading Electrek— experts who break news about Tesla, electric vehicles, and green energy, day after day. Be sure to check out our homepage for all the latest news, and follow Electrek on Twitter, Facebook, and LinkedIn to stay in the loop. Don’t know where to start? Check out our YouTube channel for the latest reviews.

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Watch the world’s first artificial energy island being built [video]

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Watch the world's first artificial energy island being built [video]

The first of 23 caissons for Princess Elisabeth Island, the world’s first artificial energy island, is nearly complete.

Princess Elisabeth Island will be an electricity grid at sea that will connect offshore wind farms to the Belgian mainland and also serve as a hub for future interconnectors with the UK and Denmark. Belgian electricity transmission system operator Elia is the project’s developer.

The 20,000-ton caissons, which will form the energy island’s outer walls, are being built at Jan De Nul Group and DEME’s construction site in Vlissingen, the Netherlands. It takes around three months to build one caisson. The production process is split into five 20-day stages. The caissons are moved between the different work sites using “runners,” which takes about six hours. 

When the caissons are ready, a semi-submersible vessel will transport them further down the harbor, where they’ll be temporarily stored in the water. They’ll then be moved to their final location in the North Sea this summer, weather allowing, said maritime infrastructure company Jan de Nul.

You can watch a time-lapse video of Princess Elisabeth Island’s first caisson being built here:

Princess Elisabeth Island is part of the larger Princess Elisabeth Zone, a future 3.5 gigawatt (GW) offshore wind farm in the North Sea, around 45 km (28 miles) off the Belgian coast. The world’s first artificial energy island will receive power from the wind turbines via undersea cables, and it will then be converted to high-voltage electricity and distributed to the Belgian mainland and other European countries. The energy island will combine both direct current (HVDC) and alternating current (HVAC).

The energy island will be finished in late 2026 when the electrical equipment will start to be installed. Princess Elisabeth Island is expected to be fully connected to all wind farms and the mainland by 2030. 

Read more: 2023 was a record year for wind power growth – in numbers


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Daily Ev Recap:  Ultra-fast charging adds 370 miles of range in 10 minutes

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Honda joins EV race with historic $11B investment to build 240K EVs a year

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Honda joins EV race with historic B investment to build 240K EVs a year

Honda is finally joining the EV race after announcing a massive $11 billion (CAD$15 billion) investment to build four new EV plants in Canada. The historic investment will be used to build Canada’s first EV supply chain, enabling 240,000 Honda EVs to be made for the US and Canada annually.

Honda reveals game changing investment to build EVs

Honda announced its largest investment in Canada ever as it prepares for the electric era. The plans for a new Honda EV plant and stand-alone EV battery factory in Alliston, Ontario.

Once fully operational, the EV facility will be able to produce 240,000 EVs a year, while its battery plant will have capacity of 36 GWh per year. Production is expected to begin in 2028.

According to a press release from the prime minister’s office, Honda will build Canada’s first comprehensive EV supply chain. The project will include four new manufacturing plants in Ontario.

In addition to the EV plant and battery factory, Honda will build a cathode active material and precursor plant through a joint venture with POSCO Future M. A second is planned with Asahi Kasei Corp.

Honda-investment-EVs
2024 Honda Prologue (Source: Honda)

Justin Trudeau, prime minister of Canada, said Honda’s investment is a “game changer for manufacturing in Canada.” With a full supply chain, Honda expects to cut costs by over 20%.

Honda aims for EVs and FCEVS to account for 100% of vehicle sales by 2040. Honda also invested $700 million to retool three Ohio plants to serve as its hub for future EV and EV battery production.

Meanwhile, Honda’s first electric SUV, the Honda Prologue, went on sale earlier this year. Starting at $47,400 (excluding destination), the Prologue offers up to 296 miles range.


2024 Honda Prologue trim
Starting Price
(w/o $1,395
destination fee)
Starting price after
tax credit

(w/o $1,395
destination fee)
Starting price after
tax credit

(with $1,395
destination fee)
EPA Range
(miles)
EX (FWD) $47,400 $39,900 $41,295 296
EX (AWD) $50,400 $42,900 $44,295 281
Touring (FWD) $51.700 $44,200 $45,595 296
Touring (AWD) $54,700 $47,200 $48,595 281
Elite (AWD) $57,900 $50,400 $51,795 273
2024 Honda Prologue prices and range

With the $7,500 federal tax credit, the Prologue’s starting price can fall to as low as $39,900 (excluding destination).

Lace Woelfer, VP of Honda America National Auto Sales, said the Honda Prologue hits the “sweet spot” as a sporty, stylish electric SUV.

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