New Recycling & Energy Storage Plan Claps Back At Wind Turbine Critics
Oh, those pesky wind turbines, running around the countryside cluttering up the landfills with their big old unrecyclable blades. That’s the picture drawn by critics, but not for long. A new scheme is afoot that takes the old blades from a wind turbine and recycles them into new energy storage systems for wind and solar power.
What To Do With Those Pesky Old Wind Turbine Blades
Actually, the wind turbine recycling issue is a bit of a red herring. After all, the fossil energy industry has squeezed who knows how many trillions of tons of raw resources out of the ground, to be used once and never to be replaced, reclaimed, recycled, or reused again, let alone upcycled, unless you count their contribution to global carbon load as a kind of recycling, which is a bit of a stretch.
Nevertheless, the global wind industry is coming of age in an era when public policy and consumer demand are beginning to steer the global economy into a more sustainable, circular form. That pushes wind turbine blade recycling into priority status.
Wind Turbine Blades & The Circular Economy
The typical wind turbine blade lasts about 20 years, which means that a flood of spent blades is about to hit the global market.
Wouldn’t you know it, the US Department of Energy is right on top of the circular economy thing. Last month the agency’s Wind Energy Technologies office ran down some of the wind turbine blade recycling solutions bubbling up through the R&D pipeline and noted that the most effective strategy would be to design recycling and reuse into materials, components, and systems from the very beginning.
“A circular economy for energy materials also means that technology should be engineered from the start to require fewer materials, resources, and energy while lasting longer and having components that can easily be broken down for use in subsequent applications,” the Energy Department explained, citing a new lightening-resistant and erosion-resistant blade coatings developed by the firms Arctura and Resodyn Corp.
In partnership with the firm Arkema, Inc., the National Renewable Energy Laboratory has also been hammering away at a new resin-based turbine blade material that can be reduced to a liquid and reformed into new blades and other items, while reducing labor and energy inputs.
Better Ways To Recycle Old Blades
That’s all well and good for future generations of wind turbine blades, but what about those in operation now?
Yes, what about them? Fiberglass can be recovered from spent blades, but the range of application is limited because recycled fiberglass tends to lose quality.
The Energy Department has an answer for that, too. They are especially excited about a research partnership between the University of Tennessee and the firm Carbon Rivers, which involves a heat-based method for reclaiming fiberglass from wind turbines and recycling it into a high-value material for various industries including aerospace.
Extending the useful lifespan of old wind turbine blades is also part of the Energy Department’s strategy, including the use of drones and other advanced systems for monitoring, maintenance, and repair.
Hey, What About Recycling Wind Turbine Blades For Energy Storage?
Into this picture steps the Swiss energy storage firm Energy Vault, which has crossed the CleanTechnica radar previously on account of its gravity-based energy storage system.
The Energy Vault concept is similar to pumped hydro energy storage. Instead of storing electricity in a lithium-ion battery or other chemical systems, you deploy excess wind or solar power to raise something heavy upwards. When demand for electricity rises, gravity does all the heavy lifting. You allow your heavy thing — water, or in Energy Vault’s case, 35-ton blocks — to fall back to its starting point, and it generates electricity on the way down.
Pumped hydro is not a new technology, and here in the US it still dominates the energy storage field. Its advantages over battery-type systems include holding massive amounts of energy for long periods of time.
The problem is location, location, location. The Energy Department has been working on new pumped hydro technology that could enable the nation to grow the domestic industry, but for now there are few prospects for constructing new pumped hydro reservoirs in the US.
Energy Vault’s block-type gravity system could help resolve the location issue, since it does not require massive new infrastructure and copious amounts of water. All it really needs is 35-ton blocks, and those could be made from just about anything, including wind turbine blades.
Let The Wind Power – Energy Storage Mashup Begin
And, that’s where the company Enel Green Power comes in. The company, which comes under the Enel Group umbrella, has been aiming to hitch its renewable energy activities to new forms of energy storage, and it is very excited about the potential for Energy Vault to provide a home for spent wind turbine blades.
“The benefits of this solution are the same as those of a pumped storage hydro plant, but at a much lower cost, with greater possibility of being replicated in any geographical context and greater efficiency: the Energy Vault technology can even exceed an efficiency level of 80%,” EGP enthuses.
“Moreover, there are clear benefits compared to batteries: a plant of this type is not exposed to storage medium degradation (no need for augmentation over time), risk of fire, has a long lifespan of 30-35 years and its eventual dismantling will not pose particular difficulties, as the blocks are composed of inert materials and are created directly on site,” EGP adds.
Energy Vault already has a 5-megawatt demonstration facility under its belt, and it recently introduced its new “EVx” configuration that requires 40% less height than its former design. Last week the company signed an agreement with EGP to study the feasibility of a system that weighs in at “a few dozen megawatt-hours,” using material from spent wind turbine blades to form the blocks.
EGP anticipates that the study will greenlight the construction plan for a new Energy Vault project, deploying the new EVx design, in the coming year.
So, What About The Birds?
Yes, what about them? Years before the recycling issue popped up, wind power critics (looking at you, fossil energy lobby) were accusing wind turbines of causing birds to die, conveniently overlooking the fact that wind turbines are a relatively small part of a huge problem.
Practically everything that people make causes birds to die, and the worst offenders by far are buildings, overhead power lines, agricultural chemicals, and various devices used legally for hunting, among other things. For that matter, domestic cats — oh, but why beat a dead horse?
The point is that everything is killing birds. The counterfactual focus on wind turbines began about a dozen years ago and it was picked up and promoted by former President Trump, who promoted the wind turbine canard to help propel himself into office the first time.
It didn’t work the second time, which is good news for the birds, because Trump’s first and only administration spent considerable time and energy on tearing the guts out of a treaty aimed at preventing migratory bird deaths related to fossil energy activities among various other circumstances.
Oh well, water under the bridge. Migratory birds are all but certain to get a share of President Joe Biden’s love for all things sustainable, and new strategies have already emerged for reducing wind power’s relatively small share of bird impacts.
Back in 2003, for example, researchers at the National Renewable Energy Laboratory suggested that simply applying different colors and patterns to wind turbine blades could make a difference. That formed the basis for a long term study that recently demonstrated a significant reduction in risk of collision, especially for raptors.
The US Fish And Wildlife Service’s Avian Radar Project indicates that adjustments to wind turbine locations, hours of operation, and lighting can also reduce risks. Automatic shutdown systems triggered by cameras and other remote devices can help, and researchers are beginning to study how today’s generation of larger, more powerful turbines is also contributing to risk reduction.
Follow me on Twitter @TinaMCasey.
Photo: Energy Vault gravity storage system via Enel Green Power.
On today’s fleet-focused episode of Quick Charge, we talk about a hot topic in today’s trucking industry called, “the messy middle,” explore some of the ways legacy truck brands are working to reduce fuel consumption and increase freight efficiency. PLUS: we’ve got ReVolt Motors’ CEO and founder Gus Gardner on-hand to tell us why he thinks his solution is better.
You know, for some people.
We’ve also got a look at the Kenworth Supertruck 2 concept truck, revisit the Revoy hybrid tandem trailer, and even plug a great article by CCJ’s Jeff Seger, who is asking some great questions over there. All this and more – enjoy!
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Thanks to Trump’s repeated executive order attacks on US clean energy policy, nearly $8 billion in investments and 16 new large-scale factories and other projects were cancelled, closed, or downsized in Q1 2025.
The $7.9 billion in investments withdrawn since January are more than three times the total investments cancelled over the previous 30 months, according to nonpartisan policy group E2’s latest Clean Economy Works monthly update.
However, companies continue to invest in the US renewable sector. Businesses in March announced 10 projects worth more than $1.6 billion for new solar, EV, and grid and transmission equipment factories across six states. That includes Tesla’s plan to invest $200 million in a battery factory near Houston that’s expected to create at least 1,500 new jobs. Combined, the projects are expected to create at least 5,000 new permanent jobs if completed.
Michael Timberlake of E2 said, “Clean energy companies still want to invest in America, but uncertainty over Trump administration policies and the future of critical clean energy tax credits are taking a clear toll. If this self-inflicted and unnecessary market uncertainty continues, we’ll almost certainly see more projects paused, more construction halted, and more job opportunities disappear.”
March’s 10 new projects bring the overall number of major clean energy projects tracked by E2 to 390 across 42 states and Puerto Rico. Companies have said they plan to invest more than $133 billion in these projects and hire 122,000 permanent workers.
Since Congress passed federal clean energy tax credits in August 2022, 34 clean energy projects have been cancelled, downsized, or shut down altogether, wiping out more than 15,000 jobs and scrapping $10 billion in planned investment, according to E2 and Atlas Public Policy.
However, in just the first three months of 2025, after Trump started rolling back clean energy policies, 13 projects were scrapped or scaled back, totaling more than $5 billion. That includes Bosch pulling the plug on its $200 million hydrogen fuel cell plant in South Carolina and Freyr Battery canceling its $2.5 billion battery factory in Georgia.
Republican-led districts have reaped the biggest rewards from Biden’s clean energy tax credits, but they’re also taking the biggest hits under Trump. So far, more than $6 billion in projects and over 10,000 jobs have been wiped out in GOP districts alone.
And the stakes are high. Through March, Republican districts have claimed 62% of all clean energy project announcements, 71% of the jobs, and a staggering 83% of the total investment.
A full map and list of announcements can be seen on E2’s website here. E2 says it will incorporate cancellation data in the coming weeks.
Read more: FREYR kills plans to build a $2.6 billion battery factory in Georgia
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Tesla has reportedly delayed the launch of its new “affordable EV,” which is believed to be a stripped-down Model Y, in the United States.
Last year, Tesla CEO Elon Musk made a pivotal decision that altered the automaker’s direction for the next few years.
The CEO canceled Tesla’s plan to build a cheaper new “$25,000 vehicle” on its next-generation “unboxed” vehicle platform to focus solely on the Robotaxi, utilizing the latest technology, and instead, Tesla plans to build more affordable EVs, though more expensive than previously announced, on its existing Model Y platform.
Musk has believed that Tesla is on the verge of solving self-driving technology for the last few years, and because of that, he believes that a $25,000 EV wouldn’t make sense, as self-driving ride-hailing fleets would take over the lower end of the car market.
However, he has been consistently wrong about Tesla solving self-driving, which he first said would happen in 2019.
In the meantime, Tesla’s sales have been decreasing and the automaker had to throttle down production at all its manufacturing facilities.
That’s why, instead of building new, more affordable EVs on new production lines, Musk decided to greenlight new vehicles built on the same production lines as Model 3 and Model Y – increasing the utilization rate of its existing manufacturing lines.
Those vehicles have been described as “stripped-down Model Ys” with fewer features and cheaper materials, which Tesla said would launch in “the first half of 2025.”
Reuters is now reporting that Tesla is seeing a delay of “at least months” in launching the first new “lower-cost Model Y” in the US:
Tesla has promised affordable vehicles beginning in the first half of the year, offering a potential boost to flagging sales. Global production of the lower-cost Model Y, internally codenamed E41, is expected to begin in the United States, the sources said, but it would be at least months later than Tesla’s public plan, they added, offering a range of revised targets from the third quarter to early next year.
Along with the delay, the report also claims that Tesla aims to produce 250,000 units of the new model in the US by 2026. This would match Tesla’s currently reduced production capacity at Gigafactory Texas and Fremont factory.
The report follows other recent reports coming from China that also claimed Tesla’s new “affordable EVs” are “stripped-down Model Ys.”
The Chinese report references the new version of the Model 3 that Tesla launched in Mexico last year. It’s a regular Model 3, but Tesla removed some features, like the second-row screen, ambient lighting strip, and it uses fabric interior material rather than Tesla’s usual vegan leather.
The new Reuters report also said that Tesla planned to follow the stripped-down Model Y with a similar Model 3.
In China, the new vehicle was expected to come in the second half of 2025, and Tesla was waiting to see the impact of the updated Model Y, which launched earlier this year.
Electrek’s Take
These reports lend weight to what we have been saying for a year now: Tesla’s “more affordable EVs” will essentially be stripped-down versions of the Model Y and Model 3.
While they will enable Tesla to utilize its currently underutilized factories more efficiently, they will also cannibalize its existing Model 3 and Y lineup and significantly reduce its already dwindling gross margins.
I think Musk will sell the move as being good in the long term because it will allow Tesla to deploy more vehicles, which will later generate more revenue through the purchase of the “Full Self-Driving” (FSD) package.
However, that has been his argument for years, and it has yet to pan out as FSD still requires driver supervision and likely will for years to come, resulting in an extremely low take-rate for the $8,000 package.
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