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Unlike with climate change, however, there are some straightforward fixes.
New clean energy projects have a lot going for them. For one, building them has gotten extremely cheap. At the same time, because the wind blowing and the sun shining are unlimited free resources, operating costs for a clean energy power plant are also pretty low. That’s the beauty of a clean energy economy — it reduces our exposure to the price swings, recessions, political instability, and surging inflation that come with fossil fuels.
The problem is that the cure for surging inflation — hiking up interest rates — is having a big, bad impact on clean energy. Elevated interest rates directly and disproportionately raise costs for clean power projects, throwing a handbrake on the clean energy transition and its deflationary impacts exactly when we need them most.
Here’s how it happens: Nearly all the costs of clean energy projects are upfront capital expenditures to cover things like building wind turbines and installing solar panels. And as anyone with a mortgage or car loan can tell you, the higher the amount you need to finance up front, the more you care about your interest rate.
By comparison, a fossil fuel power plant will pay as they go for the fuel they need to operate, meaning they have less to finance. And there’s the rub — those extra financing costs get passed on to clean energy consumers. Even if a fossil fuel power plant and a clean energy power plant have equivalent associated costs, if one has to finance more of that cost upfront at higher and higher interest rates, it’s going to be less competitive. Estimates suggest that as interest rates rise, the total cost of energy from a gas power plant might rise 8%, but for a clean energy project the same cost could rise as much as 47%.
That impact is being felt across the developed world — Bloomberg’s clean energy research division, BNEF, estimates that 60% of the cost increase for offshore wind is the direct result of rising interest rates — but the impact in the developing world is even more insidious. In emerging markets, the financing cost to deploy the exact same technology can be as much as seven times higher. That’s a big part of the reasoning behind the International Energy Agency’s estimate that we’ll have a $2 trillion clean finance gap in emerging and developing economies by 2030.
In one respect, however, we are in luck — financial regulators have a wide variety of tools they could deploy to solve this problem by creating lower, dual rates for clean energy.
One way to do that is to create dedicated central bank programs that give banks access to cheap credit if they pass it on to sectors of the economy that align with key industrial policy goals — like, say, solving climate change. If this kind of facility existed, your local bank could decide that because you put solar panels on your roof, bought an electric car, or installed a heat pump, it could offer you a mortgage at 4% instead of today’s 7% rate. Or it could finance an offshore wind developer’s first projects at below-market rates, helping to make them competitive in a challenging economic environment.
As we all know, however, creating new programs or passing new policies is hard. Instead, we might want to just make existing lending programs greener. In the EU, for example, leaders at the European Central Bank are considering using existing programs to provide banks with financing at favorable rates if they use it to support clean energy.
Meanwhile, here in the U.S., the Fed could reduce discount window interest rates and adjust collateral policies to incentivize clean energy lending — in other words, it could set the terms on which banks borrow from the Fed to support green loans and discourage dirty loans. Intervening this way would incentivize banks to lend more to clean energy at lower rates.
The Fed could also use its emergency powers to create a new program just to provide clean energy with cheaper capital because of the adverse impacts of high interest rates. It recently used these powers to create the Bank Term Funding Program explicitly to mitigate the impact of higher rates on banks; in “unusual and exigent circumstances” and with the Department of the Treasury’s approval, it could adopt a new program to provide similar direct support for clean energy. A once-in-a-civilization clean energy transition to head off a climate crisis, underwritten by historic climate legislation whose impact is now threatened by rising interest rates, would seem to qualify.
But wait, there’s more! The Fed, along with its fellow banking regulators the Federal Deposit Insurance Corporation and the Office of the Comptroller of the Currency, could leverage the new Community Reinvestment Act regulations to encourage certain clean energy investments, including community solar and “microgrid and battery” projects that could help smooth out power supply to public housing in extreme weather.
And of course, it’s not just central banks that can create lower dual rates for clean energy. Public finance institutions can also play an instrumental role by using their own lower cost of finance to bring down the cost of credit. For instance, the EU is providing financial support for the wind industry in the form of loan guarantees from the European Investment Bank. Loan guarantees work by putting the full credit of the government behind a particular project, thereby giving lenders more confidence they won’t lose their money, which brings down the cost of finance.
In the U.S., subsidized loans and guarantees funded by the Inflation Reduction Act and administered by the Department of Energy’s Loan Programs Office are already helping to create dual rates for offshore wind — which, thanks to new Treasury guidance, can now be extended to cover associated infrastructure like sub-sea cables. Still, that’s nowhere near what the Fed could do. Add in the new green bank capitalized with funding from the IRA that could extend low-interest loans for everything from electric vehicles to heat pumps and we’ve got a bevy of tools at our disposal.
For those wondering whether this kind of Fed policy could be co-opted to support everything from defense manufacturing to fossil fuel production, the answer is that industries always lobby for favorable policy wherever they can get them. But dual interest rates and targeted lending programs are common practice around the world, even in free market economies, with no such terrible consequences. At the end of the day, policy is just a tool, and it’s up to us to make sure it is used to achieve society's goals, not corporate profits.
Concern over the impact of rising interest rates on clean energy and the economy more broadly is hitting a crescendo, and for good reason. This week the Fed governors will meet to decide whether further rate increases are still warranted. Most Fed-watchers think this cycle of rising interest rates is finally over, but there’s no such thing as a guarantee.
More importantly, even if the Fed says “enough,” the reality is that our currently elevated rates will almost certainly take years to come down. Meanwhile, we have a rapidly vanishing window of time to reach peak emissions to stay under the Paris Agreement’s limit of 1.5 degrees Celsius of temperature rise. That means we need new targeted policy interventions that bring down the cost of finance to keep the clean energy transition humming. Unlike climate change, the impact of high interest rates on clean energy is not a force of nature. It’s one we can control.
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The Loan Programs Office is good for more than just nuclear funding.
That China has a whip hand over the rare earths mining and refining industry is one of the few things Washington can agree on.
That’s why Alex Jacquez, who worked on industrial policy for Joe Biden’s National Economic Council, found it “astounding”when he read in the Washington Post this week that the White House was trying to figure out on the fly what to do about China restricting exports of rare earth metals in response to President Trump’s massive tariffs on the country’s imports.
Rare earth metals have a wide variety of applications, including for magnets in medical technology, defense, and energy productssuch as wind turbines and electric motors.
Jacquez told me there has been “years of work, including by the first Trump administration, that has pointed to this exact case as the worst-case scenario that could happen in an escalation with China.” It stands to reason, then, that experienced policymakers in the Trump administration might have been mindful of forestalling this when developing their tariff plan. But apparently not.
“The lines of attack here are numerous,” Jacquez said. “The fact that the National Economic Council and others are apparently just thinking about this for the first time is pretty shocking.”
And that’s not the only thing the Trump administration is doing that could hamper American access to rare earths and critical minerals.
Though China still effectively controls the global pipeline for most critical minerals (a broader category that includes rare earths as well as more commonly known metals and minerals such as lithium and cobalt), the U.S. has been at work for at least the past five years developing its own domestic supply chain. Much of that work has fallen to the Department of Energy, whose Loan Programs Office has funded mining and processing facilities, and whose Office of Manufacturing and Energy Supply Chains hasfunded and overseen demonstration projects for rare earths and critical minerals mining and refining.
The LPO is in line for dramatic cuts, as Heatmap has reported. So, too, are other departments working on rare earths, including the Office of Manufacturing and Energy Supply Chains. In its zeal to slash the federal government, the Trump administration may have to start from scratch in its efforts to build up a rare earths supply chain.
The Department of Energy did not reply to a request for comment.
This vulnerability to China has been well known in Washington for years, including by the first Trump administration.
“Our dependence on one country, the People's Republic of China (China), for multiple critical minerals is particularly concerning,” then-President Trump said in a 2020 executive order declaring a “national emergency” to deal with “our Nation's undue reliance on critical minerals.” At around the same time, the Loan Programs Office issued guidance “stating a preference for projects related to critical mineral” for applicants for the office’s funding, noting that “80 percent of its rare earth elements directly from China.” Using the Defense Production Act, the Trump administration also issued a grant to the company operating America's sole rare earth mine, MP Materials, to help fund a processing facility at the site of its California mine.
The Biden administration’s work on rare earths and critical minerals was almost entirely consistent with its predecessor’s, just at a greater scale and more focused on energy. About a month after taking office, President Bidenissued an executive order calling for, among other things, a Defense Department report “identifying risks in the supply chain for critical minerals and other identified strategic materials, including rare earth elements.”
Then as part of the Inflation Reduction Act in 2022, the Biden administration increased funding for LPO, which supported a number of critical minerals projects. It also funneled more money into MP Materials — including a $35 million contract from the Department of Defense in 2022 for the California project. In 2024, it awarded the company a competitive tax credit worth $58.5 million to help finance construction of its neodymium-iron-boron magnet factory in Texas. That facilitybegan commercial operation earlier this year.
The finished magnets will be bought by General Motors for its electric vehicles. But even operating at full capacity, it won’t be able to do much to replace China’s production. The MP Metals facility is projected to produce 1,000 tons of the magnets per year.China produced 138,000 tons of NdFeB magnets in 2018.
The Trump administration is not averse to direct financial support for mining and minerals projects, but they seem to want to do it a different way. Secretary of the Interior Doug Burgum has proposed using a sovereign wealth fund to invest in critical mineral mines. There is one big problem with that plan, however: the U.S. doesn’t have one (for the moment, at least).
“LPO can invest in mining projects now,” Jacquez told me. “Cutting 60% of their staff and the experts who work on this is not going to give certainty to the business community if they’re looking to invest in a mine that needs some government backstop.”
And while the fate of the Inflation Reduction Act remains very much in doubt, the subsidies it provided for electric vehicles, solar, and wind, along with domestic content requirements have been a major source of demand for critical minerals mining and refining projects in the United States.
“It’s not something we’re going to solve overnight,” Jacquez said. “But in the midst of a maximalist trade with China, it is something we will have to deal with on an overnight basis, unless and until there’s some kind of de-escalation or agreement.”
A conversation with VDE Americas CEO Brian Grenko.
This week’s Q&A is about hail. Last week, we explained how and why hail storm damage in Texas may have helped galvanize opposition to renewable energy there. So I decided to reach out to Brian Grenko, CEO of renewables engineering advisory firm VDE Americas, to talk about how developers can make sure their projects are not only resistant to hail but also prevent that sort of pushback.
The following conversation has been lightly edited for clarity.
Hiya Brian. So why’d you get into the hail issue?
Obviously solar panels are made with glass that can allow the sunlight to come through. People have to remember that when you install a project, you’re financing it for 35 to 40 years. While the odds of you getting significant hail in California or Arizona are low, it happens a lot throughout the country. And if you think about some of these large projects, they may be in the middle of nowhere, but they are taking hundreds if not thousands of acres of land in some cases. So the chances of them encountering large hail over that lifespan is pretty significant.
We partnered with one of the country’s foremost experts on hail and developed a really interesting technology that can digest radar data and tell folks if they’re developing a project what the [likelihood] will be if there’s significant hail.
Solar panels can withstand one-inch hail – a golfball size – but once you get over two inches, that’s when hail starts breaking solar panels. So it’s important to understand, first and foremost, if you’re developing a project, you need to know the frequency of those events. Once you know that, you need to start thinking about how to design a system to mitigate that risk.
The government agencies that look over land use, how do they handle this particular issue? Are there regulations in place to deal with hail risk?
The regulatory aspects still to consider are about land use. There are authorities with jurisdiction at the federal, state, and local level. Usually, it starts with the local level and with a use permit – a conditional use permit. The developer goes in front of the township or the city or the county, whoever has jurisdiction of wherever the property is going to go. That’s where it gets political.
To answer your question about hail, I don’t know if any of the [authority having jurisdictions] really care about hail. There are folks out there that don’t like solar because it’s an eyesore. I respect that – I don’t agree with that, per se, but I understand and appreciate it. There’s folks with an agenda that just don’t want solar.
So okay, how can developers approach hail risk in a way that makes communities more comfortable?
The bad news is that solar panels use a lot of glass. They take up a lot of land. If you have hail dropping from the sky, that’s a risk.
The good news is that you can design a system to be resilient to that. Even in places like Texas, where you get large hail, preparing can mean the difference between a project that is destroyed and a project that isn’t. We did a case study about a project in the East Texas area called Fighting Jays that had catastrophic damage. We’re very familiar with the area, we work with a lot of clients, and we found three other projects within a five-mile radius that all had minimal damage. That simple decision [to be ready for when storms hit] can make the complete difference.
And more of the week’s big fights around renewable energy.
1. Long Island, New York – We saw the face of the resistance to the war on renewable energy in the Big Apple this week, as protestors rallied in support of offshore wind for a change.
2. Elsewhere on Long Island – The city of Glen Cove is on the verge of being the next New York City-area community with a battery storage ban, discussing this week whether to ban BESS for at least one year amid fire fears.
3. Garrett County, Maryland – Fight readers tell me they’d like to hear a piece of good news for once, so here’s this: A 300-megawatt solar project proposed by REV Solar in rural Maryland appears to be moving forward without a hitch.
4. Stark County, Ohio – The Ohio Public Siting Board rejected Samsung C&T’s Stark Solar project, citing “consistent opposition to the project from each of the local government entities and their impacted constituents.”
5. Ingham County, Michigan – GOP lawmakers in the Michigan State Capitol are advancing legislation to undo the state’s permitting primacy law, which allows developers to evade municipalities that deny projects on unreasonable grounds. It’s unlikely the legislation will become law.
6. Churchill County, Nevada – Commissioners have upheld the special use permit for the Redwood Materials battery storage project we told you about last week.