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In September 2023, the UK Government's auction for new offshore wind projects ended unusually: no developers took part. It was a remarkable outcome for a nation seen as the poster child for decarbonising national grids via wind power and one that had just two years previously completed a record-breaking auction of similar sites.

The UK's success came after a breakthrough decade for wind power in Europe when the levelized cost of electricity – which accounts for capital and operating expenditure per unit of energy – more than halved between 2010 and 2020, making wind competitive with fossil fuel alternatives.

Yet rising interest rates, soaring labour and commodity costs in the wake of Russia's invasion of Ukraine and the grip of energy security policies all conspired to rapidly engulf the industry. "After years of being used to costs just going down, supply chain costs spiked and capital costs increased," observes Paul Butcher, Director of Public Policy at Herbert Smith Freehills (HSF) "Maybe the reaction could have been quicker."

Despite such reverses, Europe's wind sector has carved out a robust position faster than many expected, establishing itself as a commercially proven industry with ESG credentials while generating nearly a fifth of Europe's electricity. Moreover, wind remains central to European nations' energy transition agenda as the region plots a dramatic expansion of renewable power to meet net-zero goals. Aside from marginal debates about the aesthetic merits of onshore wind, offshore power – which has huge growth potential and attracts much industry focus – is a sector that largely avoids the controversies that plague many clean power applications.

In short, much rides on how quickly and successfully the industry can recover from the market shocks of the last two years to position itself for what should be a crucial decade. Continuing our Chasing Zero series exploring the key debates within the energy transition, the second of a two-part special on wind power assesses what went wrong in the European market, how the industry has responded, and what its future holds in the race to net zero.

 

 

 


Wind power – How much does it cost?

2023 was torrid for European wind. Surging commodity prices, strained supply chains and sharply rising interest rates combined to batter the industry. A sector with high upfront costs and long project lead times that had already been operating on thin margins was ill-suited to such conditions. Notes energy consultancy Wood Mackenzie, companies already reported declining margins or losses between 2015 and 2021 as they expanded to meet strong demand.

As a result, developers are now struggling to keep up with demand and manufacturers are loath to shoulder the costs to keep projects viable. "For an original equipment manufacturer in the wind space you're probably not making any money at the moment," says Rob Booth, former Head of Assets & Operations at The Crown Estate, a key player in the UK's offshore wind sector. "There are some really big companies getting squeezed by the market and supply chain disruption."

Developers in Europe are typically working under long-term arrangements like contracts for difference (CfD) or feed-in-tariffs which are designed to incentivise investment in low carbon energy and protect producers from volatile wholesale prices.

 

 

Under a CfD, generators stabilise their prices at levels set during auctions, with subsidies making up the shortfall if market rates fall below the strike price, while generators repay the difference above when wholesale prices spike. While such policies proved hugely successful in building Europe's renewables sector in the last 20 years, such mechanisms only achieve their purpose if the maximum price charged for a unit of electricity accurately accounts for production costs.

Caught out, some of the industry's biggest names have taken significant commercial hits. In December of last year, Swedish developer Vattenfall sold three of its North Sea projects to German developer RWE for £1 billion amid surging costs. Vattenfall had been forced to stop work on the most advanced of the three developments, Norfolk Boreas, five months prior, citing a 40% rise in project costs.

Meanwhile, in November 2023 the world's largest wind developer Orsted was forced to abandon two flagship US projects, resulting in a 26% fall in the Danish company's share price and a multibillion-dollar impairment. In February this year, Orsted announced it had suspended its dividend, reduced targets for developing renewables and would cut up to 800 jobs.

 


After years of being used to costs just going down, supply chain costs spiked and capital costs increased. Maybe the reaction could have been quicker.

Paul Butcher
Director of Public Policy, Herbert Smith Freehills


Lewis McDonald, HSF Global Co-Head of Energy, comments: "Some of the projects which have been awarded have become marginal, as a result of increases in interest rates and supply chain costs. If there are enough marginal projects in your portfolio, then your company begins to have a problem. We're starting to see large groupings of these assets cause challenges for developers."

Governments grown used to the wind success story were also slow to recognise the impact of rising costs on the sector, which rendered projects locked into pre-2022 prices uneconomic. "As time has gone by, some of the [contracted prices] haven't been high enough to support the costs of some projects," adds McDonald. "Those prices need to be re-negotiated and corrected."

Such pressures have only been aggravated by the push towards ever-larger turbines, a trend enthusiastically backed by investors and lenders drawn to marquee projects, with GE notably grabbing headlines in 2018 when unveiling a 260-metre offshore turbine.

While larger blades have helped push down costs and increase energy output, observers note increasing bottlenecks and technical challenges that come with scale, heaping more pressure on manufacturers' already thin margins. Wood Mackenzie analysis showed a recent spike in warranty provision payouts by turbine manufacturers in 2022 and 2023, respectively representing 5.7% and 5.4% of their annual revenues, compared to 2.8% in 2018.

Further pressure is also being heaped on supply chains as wind power becomes increasingly drawn into a series of energy security policies as nations attempt to reduce their reliance on foreign states. The issue is particularly pressing given China's current dominance of wind power component manufacture  (see Wind power – The security detail).

How to REPowerEU

The turbulence in the European wind market is ill-timed, coming as the bloc must start replacing or upgrading its original generation of aged wind farms. According to WindEurope, an industry body, about a fifth of the continent’s roughly 90,000 onshore turbines are at least 15 years old. This is well past middle age for a technology with a lifespan of around 20 years and a substantial challenge for a sector being called upon to simultaneously expand capacity. "A lot of the first-stage onshore wind projects are reaching the end of their lifecycle," says Paris-based HSF partner Rebecca Major. "We're having to see more and more repowering projects."

Modernisation is a complex process. Many of Europe's wind farms were erected on prime energy-generating sites. To ensure efficiency, the ideal course would be to break down old turbines and replace them with fewer, more powerful machines. WindEurope estimates repowering a site in this way would triple its annual energy output.

Some large-scale repowering has already taken place. The Windplan Groen project in the Dutch province of Flevoland saw 98 turbines targeted to be replaced by 90 more powerful machines, taking the site from around 168MW capacity to 500MW. Developer Vestas has been heavily involved in the project.

But there are fears repowering is not making up enough of Europe's net zero drive due to the industry's wider capacity challenges as well as a lack of lucrative government-backed subsidies.

 

Then there are the practical challenges, which loom larger for offshore wind. "Re-powering is not as simple as it sounds," says Angus Leslie Melville, Content Director of infrastructure and projects journal IJGlobal. "You require stronger foundations and it will never be a like-for-like switch out. You have to take it all out and replace it. The units are bigger and the rotors are longer. What's more, you have to go through the whole licencing process again. There are also the ecosystem considerations – those foundations have become breeding grounds for all manner of sea life."

The EU has responded, firstly by simplifying the complex permitting process to mandate that repowering projects have their permits decided within six months. Though industry insiders remain sceptical of the on-the-ground impact of such measures at a national level, there are already indications of new rules showing notable increases in permitted new onshore power in key markets of Germany and Spain. The changes come amid the bloc's wider European Wind Action Plan, announced in October 2023, which also aims to improve auction processes and speed up financing for wind energy manufacturing in Europe by granting projects access to the EU's Innovation Fund while the European Investment Bank will make "de-risking guarantees" available. Meanwhile, the EU's Net Zero Act and Renewables Directive also represent significant interventions (see Europe responds).

Elsewhere, the UK has sought to rectify past mistakes, announcing in November 2023 a 66% increase in the CfD strike price to £73 per megawatt hour, substantially increasing the maximum price energy providers can charge and hopefully making such projects commercially viable again. But not all are convinced. In February, RWE warned the UK risks another troubled round due to flawed internal modelling, with the developer calling on government to reform the CfD model. If such regimes cannot command widespread industry confidence, fresh investment and projects look sure to suffer. As it is, keeping clean power goals a credible aim is a huge challenge. While Europe installed a record 18.3 GW of wind capacity in 2023, industry estimates are that figure will have to near double annually in the second half of the 2020s to reach EU net-zero targets for 2030.


A lot of the first-stage onshore wind projects are reaching the end of their lifecycle. We're having to see more and more repowering projects.

Rebecca Major
Partner, Herbert Smith Freehills



Acceptable bargains – The future of Europe's wind industry

For all its challenges, wind is still an attractive investment, combining scale, a proven business model and ESG credentials in a way few comparable projects rival. As a result, financiers remain largely undeterred by the vagaries of the market, argues Booth: "It's interesting talking to the banks about how to finance into this space; how to incentivise and use elements of circular economy thinking and ESG principles to bring money through at the right rate to make projects happen. I don't see that stalling. While cost of capital has gone up and there are real risks sitting underneath that, I don't see a lack of appetite to invest into this industry."

The challenge for Europe's industry is how to move through a short-term beset by volatile markets and bottlenecks to resume building on wind power's unquestioned fundamentals. One response by industry is to manage market risk by diversifying income between various state-backed schemes and corporate agreements, according to Lucy Dolton, lead analyst for assets and infrastructure at market intelligence consultants Cornwall Insight. "What we have seen are some offshore wind sites opting for a combination route to market. This could be putting some capacity into the CFD, some into the capacity market, and some signed in a corporate power purchase agreement. We've seen interesting approaches where they've decided not to put all their eggs in one basket."

Despite such attempts to adapt to shifting market dynamics, the underlying question remains simple for developers and investors: commit to a project despite rising costs or look elsewhere in hopes of better returns.

 

In an increasingly globalising market, in which the US and Asia are striving to rapidly scale up wind power, European states will find themselves under increasing pressure to attract key industry players. 

European governments appear to have received the message. The EU's REPowerEU strategy targets 420GW of wind energy by 2030 – a commitment Commission President Ursula von der Leyen reaffirmed in September last year. Meanwhile, the UK Government has responded to troubled auction rounds with higher guaranteed pricing to attract bidders.

"To achieve this boost in offshore wind capacity and to make the most of possible efficiencies in the European power market, more investments in offshore infrastructure, including interconnectors and multi-purpose interconnectors, will be required," says Silke Goldberg, a partner in HSF's power practice and Global Head of ESG. "This requires more coordination between the EU and the UK, who are all looking to develop the grid in the North Sea."

The market for corporates looking to secure low carbon power is, meanwhile, continuing to expand by power purchase agreements. Early indications are that higher prices on offer from European nations are beginning to stabilise the industry without hitting demand. Indeed, energy security policies further reflect expectations that Europe is willing to accept higher costs for greater resilience and local supply.


Achieving increases in offshore wind capacity will require more investments in infrastructure and more coordination between the EU and the UK, who are all looking to develop the grid in the North Sea.

Silke Goldberg
Partner, Herbert Smith Freehills


Such shifts will ultimately require new levels of honesty with European voters about the trade-offs, argues McDonald: "Governments need to recognise the costs of implementing wind projects are not fixed. They need to ensure the bargain is an acceptable one from the perspective of the project developer. There is a levelling that needs to happen between politicians and the people about the cost, which is starting to happen. Ultimately, the money to pay for the energy transition has to come from the people."

But despite the challenges, developments are going ahead – WindEurope expects the EU to build 200GW of new wind capacity between 2024 and 2030, albeit while missing its 42.5% renewable energy target.

The emergence of a new generation of floating offshore rigs, which promise to open up potential sites by dispensing with the need for shallow seabed to anchor turbines, will be another key driver. "That has become a massive sector and it'll go gangbusters," says Leslie Melville, who takes an upbeat view of the sector's prospects. "Interest rates have an impact but at the end of the day, the industry is going to do projects, they have to – it's their business. It's a pass-through cost that gets built into the equation. The motivation is there – twiddling your thumbs won't get you a result."

"There will always be doomsayers but I don't worry about a lack of funding," echoes Booth. "There are reasons to be optimistic in both the mature and developing geographies. Look at the fundamentals: we're seeing proven technology and projects at scale. And there's a decade worth of experience in operational wind flowing through to new developments."

The days in which the wind industry – propelled by cheap finance and plunging costs – looks a pain-free solution may be gone but a more mature, resilient and globalised industry looks set to emerge in its place. "The future is bright for offshore wind," concludes McDonald. "Fundamentally it's an excellent technology which can produce tremendous volumes of energy. It has a long way to go before it's completely de-risked, but in the overall energy generation system, it has a large role to play."


There is a levelling that needs to happen between politicians and the people about the cost, which is starting to happen. Ultimately, the money to pay for the energy transition has to come from the people.

Lewis McDonald
Global Co-Head of Energy, Herbert Smith Freehills



Chasing Zero – Energy Transition

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Key contacts

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Paul Butcher

Director of Public Policy, London

Paul Butcher
Silke Goldberg photo

Silke Goldberg

Partner, London

Silke Goldberg
Rebecca Major photo

Rebecca Major

Partner, Paris

Rebecca Major
Lewis McDonald photo

Lewis McDonald

Global Co-Head of Energy, London

Lewis McDonald
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Nick Baker

Managing Partner, Projects, Energy and Infrastructure, Melbourne

Nick Baker

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Climate Change ESG, Sustainability and Responsible Business Energy Power Renewables Infrastructure Energy Transition and Net Zero ESG Geopolitics and Business Paul Butcher Silke Goldberg Rebecca Major Lewis McDonald Nick Baker