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Renewable Energy vs Interest Rates

  • US$280billion pulled from clean energy stocks since 2022
  • renewable energy firms sounding alarm over rising costs
  • expect a significant industry shake up, with new risks and opportunities

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More than US$280billion has been pulled from clean energy stocks since an all time high in August 2022. And, with 10-year US Treasury yields crossing 5% for the first time in 16 years — tightening lending conditions — green energy investment may fall further.

The S&P Global Clean Energy Index, tracking 100 of the biggest companies in global clean energy-related businesses, has dropped 40% since highs in 2021 — despite trillions of dollars in tax credits, subsidies and government loans.

This matters for commodity investors, with new risks and opportunities.

For example, an offshore wind plant needs x13 more minerals than a gas-fired plant; an electric vehicle (EV) needs x6 more minerals than conventional cars.

Green energy stocks drop US280bn as rates rise - The Oregon Group - Investment Insights
Global clean energy ETFs see over 1.1 billion outflows since December 2022 - The Oregon Group - Investment Insights

Renewable energy vs Interest rates

The levelized cost of electricity (LCOE) — basically, the cost of electricity generation — has fallen dramatically:

  • in 2010, the LCOE for offshore wind was 258% higher than the cheapest fossil fuel cost. In 2022, it was only 17% more expensive
  • in 2010, solar PV was 710% more expensive than the cheapest fossil fuel cost. In 2022, it was 29% lower

But, in 2023, the LCOE for wind and solar began to rise, and are forecast to remain 10-15% above 2020 levels in 2024. 

We do not expect interest rates to be lowered significantly for some years to come, unless there is a serious financial downturn.

Wind and solar Levelized Cost of Energy comparison - The Oregon Group - Investment Insights
Unsubsidized Levelized Cost of Energy comparison - The Oregon Group - Investment Insights

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Rising interest rates and inflation mean, not only increasing debt servicing costs, but also increasing costs of raw materials, shipping and logistics, labour, as well as limiting the capacity of governments and consumers to support the transition.

This is particularly problematic for renewable energy companies who often agree long-term contracts that fix the price through Purchase Power Agreements (PPA) at which they will sell their energy, before project development.

One analysis, commissioned by the Netherlands Renewable Energy Association (NVDE), estimates additional costs on renewable energy in the EU due to interest rate rises total €17 billion euros until 2030 and €163 billion euros until 2050. A further 1% increase in interest rates raises the costs by another €6 billion euros until 2030 and by €55 billion euros until 2050.

This means many existing contracts will be loss-making, unless interest rates fall, prices rise, or government subsidies increase.

Renewable stocks underperform oil and gas producers - The Oregon Group - Investment Insights

Wind turbines stop turning

To be clear, there’s more going on than just interest rates with other factors such as logistics, labor, inflation, technology, etc also impacting costs and timeframes.

But, the impact of interest rates is significant and impacts the whole industry, but especially so for wind power. For example:

  • renewable energy firm Orsted halted the development of two US offshore wind projects as related impairments rose above US$5 billion
  • German government is in talks with Siemens Energy, one of the world’s largest manufacturers of wind turbines for reportedly US$16 billion worth of state guarantees
  • Xinjiang Goldwind Science and Technology Co, the world’s largest wind turbine maker, has reported a 98% slump in third-quarter profits
  • the Dutch Minister of Climate and Energy, has announced costs of offshore wind projects in the North Sea will be significantly higher than previously assessed, with total investment for the offshore network now estimated at €35.5 billion instead of €26 billion
  • US regulators denied requests by EU energy firms Orsted, Equinor, BP and other renewable developers to charge billions of dollars more under future power sale contracts
  • wind power industry growth fell 15% in 2022, its lowest in three years
  • in the US, a domestic wind power supply chain needs at least 34 new manufacturing facilities to meet demand in 2030, but only one is in operation as costs rise
  • the UK’s wind industry is at a “tipping point” as one of the country’s biggest offshore wind farm projects was halted due to surging costs

Global wind farm additions fall 15 in 2022 - The Oregon Group - Investment Insights

But, also in solar:

  • the biggest US rooftop solar company, Sunrun, has taken a US$1.2 billion charge to write down the value of its purchase, after cutting its full-year guidance due to weaker demand for its rooftop solar systems
  • solar manufacturer Solaredge recently warned demand has weakened, sending sentiment lower
  • US NextEra Energy announced a cut to its three-year growth expectations for it’s clean energy projects
  • solar industry representatives warned “Europe isn’t profitable” due to high energy prices
  • a report by Rystad Energy 40 gigawatts-direct current (GWdc) of capacity, worth  €7 billion, are currently in storage in Europe – the same amount installed across the continent in 2022. This stockpile is only set to grow this year by 100 GWdc by the end of 2023

And, in EVs:

  • Tesla, General Motors and Ford have all slowed their production of EVs, citing economic uncertainties and underscoring fears of a slowdown in demand
  • Li-cycle announced a pause in construction of it’s lithium-ion battery recycling plant, despite significant backing from the Biden administration, due to rising costs
  • a report by the UK’s largest automotive marketplace, warns buyer interest in new EVs has fallen 65% since 2022

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Chinese renewable companies are also experiencing their own sell-offs as the country grapples with an economic slowdown. And so, they are looking for other markets.

Cheaper alternatives and stockpiling, from solar panels to EVs, from China threatens to bankrupt Western manufacturing companies.

“This is creating concrete risks for companies to go into insolvency as their significant stock will need to be devalued”

— Solar Europe, industry trade group, Record-low solar PV prices risk EU’s open strategic autonomy

Which way will governments blow?

The sunken costs in the energy transition — an estimated US$1.1 trillion in 2022 alone — as well as the priority of climate change for many voters, means it is highly unlikely the energy transition is about to be completely derailed.

Government deadlines for their net-zero targets are — as yet — largely unchanged.

The latest World Energy Outlook report by the IEA, forecasts:

  • x10 times more EVs on the road globally
  • solar PV generating more electricity than the entire US power system today
  • renewable energy’s share of the global electricity mix nearing 50%, up from 30% today
  • and x3 more investment into new offshore wind projects than new coal and gas power plants

However, perhaps as a warning, the UK has been the first to pushback:

  • UK Prime Minister Rishi Sunak announced a 5-year delay in the ban on sale of new petrol and diesel cars, so the law for all new cars to be zero emission is now 2035 (the same as the EU)
  • no offshore wind developers took part in the country’s latest auction, saying the maximum price had been set too low

And the UK is not alone. For example, in Germany, a law to phaseout gas boilers for heat pumps provoked a furious backlash that nearly toppled the governments.

We anticipate a number of changes, especially by government, in the industry in the face of these rising costs:

  • existing renewable projects will be supported — the EU is planning to announce new measures to support the wind industry this year — but the focus will increasingly be on facilitating logistics, such as connecting to the grid, skills, auction systems, supply chains, etc
  • governments will begin to roll out new subsidies (for example, the Inflation Reduction Act subsidies will not be enough as costs rise), but they will be on a smaller, more targeted scale, with much greater scrutiny over cost-effectiveness of which energy projects to be supported
  • wind power, especially offshore wind power, will face the greatest financial scrutiny in the next few years
  • solar power will be supported, especially from Chinese manufacturing and government support, but there is a significant bottleneck of stockpiles to be used first
  • a significant, renewed push for nuclear power from countries across the world
  • developing countries will struggle to finance their own green renewable energy transitions through borrowing, creating challenges for the energy transition outside of developed economies

One particular note: the stakes for the renewable energy industry, with these rising costs, increase significantly ahead of next year’s US election. The candidates have not yet been chosen, but we expect growing resistance, especially among Republicans, to extending subsidies to renewable energy in the face of growing costs.

What does this mean for commodity investors?

Interest rate rises are not enough to derail the energy transition, but it will slow the momentum, especially in wind power.

Retrenchment in any industry is normal, especially when economies slow down, and the more successful companies survive.

This is, as we argue, in our analysis on “What would “Peak Green” mean for commodity investors”, a good thing for both investors and the campaign for net-zero, allowing sensible investments to be made with the long-term support of both governments and voters — and now, the economy.

For commodity investors, this offers both greater risk and opportunity:

  • more volatility in the short-term, as governments and economics adjust to the new reality, offering investors opportunities to invest in the “winners”
  • a longer timeframe for net-zero commodity demand, as projects struggle to find finance in the short-term, which will particularly hit 2030 deadlines, but will mean renewable commodity demand will extend into 2050

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about the author

Anthony Milewski

Anthony Milewski

Anthony Milewski has spent his entire career in the capital markets, including as company CEO, board director, advisor, founder and investor, with a focus on the energy transition and commodities.


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Welcome to The Oregon Group, an investment research team founded by independent capital markets experts, Anthony Milewski and Justin Cochrane.

Anthony, Justin and their team, are now sharing their boardroom expertise, institutional experience and analysis from our global network, to help you profit and hedge your investment exposure during this time of unmissable opportunity.

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