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US blocks all offshore wind construction, says reason is classified

tony_cannistra

I looked into this a little because I was curious. I guess the ostensible "national security" rationale (which clearly is not the only reason!) for this is that turbines severely degrade the utility of radar surveillance along the coastlines.

This is particularly relevant for low-altitude incursions and drones.

Now, other large governments (UK) have resolved this in several ways, including the deployment of additional radars on and within the turbine farms themselves.

So clearly this is politically motivated, and they're using what seems to be a real but solveable concern as a scapegoat.

beembeem

Result first (kill anything not carbon-based), find rationale later.

Same applies to how this admin forced layoffs at the green energy (hydro + nuclear) behemoth BPA [1] (which was funded entirely by ratepayers, not the federal government) then claimed an energy emergency to keep open coal plants serving the same geographies, coal plants that were already uneconomical and planned for shut down (or re-tooling to gas in the case of TransAlta's plant in WA). [2] Oh and they already re-hired some of the laid off staff at BPA because they overcut.

There is no point in taking these arguments at face value. It's an excuse generated after-the-fact, and in service of one outcome - kill renewable energy.

[1] https://www.columbian.com/news/2025/mar/12/letter-cuts-at-bp...

[2] https://www.seattletimes.com/seattle-news/climate-lab/doe-or...

gregbot

BPA is a federal agency. The Trump administration has been very supportive of zero carbon nuclear i believe they have promised $80 billion dollars to build new nuclear plants. Staff cuts dont mean they oppose using those energy sources.

gardncl

US deploys nuclear energy at over $10/watt meanwhile solar and wind are deployed around $2/watt (for levelized cost of electricity) including battery storage which means they are deployed for roughly the same cost as natural gas (so, direct competitors).

Don't let comments like this fool you, nuclear is far from being competitive with natural gas. Even in countries like south korea that can deploy nuclear the cheapest it's still $3/watt roughly.

Good news? Net new solar and wind plants can come "online" in less than two years. Net new natural gas takes four years. Part of why 95% of new energy deployed last year were renewables in the US, not just the subsidies.

jetpks

on the nuclear front, the administration has cut investment and reduced action in exchange for cheap promises. judge actions, not words.

vablings

So why make the cuts in the first place? There are so many things that could have been changed like getting rid of ALARPA for actual scientifically backed methods other than pointless gratitude's of X dollars for X industry. If the Trump admin truly believed in move fast and break things why is nothing moving

More power is always good (see china being 1# in solar, nuclear and wind lol), and it's known that the cost of energy directly correlates with growth right now there is no excuse for cutting any federal workers in the energy industry.

bakies

Seems like "national security" has become a phrase that can be used to circumvent many laws, facts, and balance checks. Just like the word "terrorist." It seems like if these ever get challenged to the Supreme Court the current judges will rule with something like it being at the president's discretion.

So obviously the government can spend some of that $1T military budget on fixing their coastal radar.

I thought Massachusetts just won in court to get their money or construction resumed, wonder if this means they have to go back to court.

dylan604

> Seems like "national security" has become a phrase that can be used to circumvent many laws

By has become, you mean always has been, right?

bakies

I guess I think it used to be more believable that it was used for security, but maybe I wouldn't if I knew better history.

BLKNSLVR

Since 2001 at least.

stefanfisk

Here in Sweden a bunch of offshore wind farm project and even residential PV installations are blocked by the military for unspecified reasons that everyone assumes is that it blocks radar and other signal intelligence.

Even though you can partially work around the issue with better onshore equipment or just placing the stuff on the other side of the interfering equipment it is still a step down from not having any interference in the first place. Especially if you want to keep your listening equipment secret.

opello

I'm surprised residential PV even interacts with radar -- or is that the other signal intelligence part?

jandrewrogers

Even if it is a pretense, it is pretty obvious that this would allow ship-borne drones to use the wind farms as an effective screen. Putting radar platforms beyond the wind farms that are as capable as the existing land-based radars would be quite expensive in both capex and opex. Some of the existing land-based radars would likely need to be moved, ideally. No one was really thinking about this type of threat a decade ago.

That said, Democrats have also been trying to stop offshore wind farms for years (e.g. Vineyard Wind), so there is probably bipartisan support.

Msurrow

The construction on some of these windmill farms started years ago. Before that permits & legal has been in the works for a long time. This surely included security clearances.

The orange shrimp pulling the “national security” card now, on the same day as he also creates a new Greenland debacle, is very clearly simply an attempt to strong arm the danish govt into Greenland concessions (in turn simply to please his fractile lille ego)

alphazard

Bringing up a map of wind power deployments tells a more accurate story, what you see is a hot vertical strip in the center of the US. That is where it actually makes sense to deploy windmills, and people will continue to put them there even if subsidies end. It makes sense for the area, the amount of wind, the serviceability of the deployments, etc.

Off shore has always been politically contentious because it's much more dependent on subsidies, it's a battle for/against rent-seeking. One party is in favor of this particular kind of rent-seeking and the other party isn't (they will be in favor of a different kind, no doubt). The subsidies are necessary for these deployments to make financial sense, and if they went away, then it would just be a bad place to put a windmill.

There is no national security issue, there is no real case for energy infrastructure either. This use case needs government money to make sense, and is therefore sensitive to political fluctuations.

AnthonyMouse

> So clearly this is politically motivated, and they're using what seems to be a real but solveable concern as a scapegoat.

I approve of this, because they were going to come up with an excuse one way or another, but "it's classified" has been a BS excuse that has received far too much deference to cover for all kinds of nonsense going back many decades, and being sufficiently flagrant about it is exactly what it takes to create enough of a backlash to finally do something about it.

the__alchemist

Yea... I don't trust the motivations, but can confirm that on AA radars looking low (Where you might find UAS or just low-flying aircraft), wind farms show up as clusters of false hits.

anigbrowl

It's not like they're moving around though.

the__alchemist

Yea; it will be obvious if you've accidentally locked into one, then look at it with eyes or other equipment. And the 0 ground speed. But UAS could hide in them effectively I speculate?

IndrekR

Taiwan strait is filled with offshore wind turbines from both sides. This is not an issue for PRC nor Taiwan.

linuxhansl

What the... It seems we crossed into the realm of intentionally doing damage. I'm reminded of threatening tariffs to successfully derail global carbon levy on ship emissions.

Meanwhile China runs away with all the clean energy tech (solar, wind, batteries, etc, etc.) while we hold to fossil fuels to save less than 200,000 jobs.

throw0101d

> Meanwhile China runs away with all the clean energy tech (solar, wind, batteries, etc, etc.) while we hold to fossil fuels to save less than 200,000 jobs.

If you're talking about coal miners, David Frum joked / observed that there are more yoga instructors in the US than coal miners:

* https://www.sfgate.com/columnists/article/Yoga-teachers-vs-c...

canyp

That headline really deserves a literary prize.

Yoga instructors, assemble!

null

[deleted]

JohnTHaller

We've been in the realm of intentionally doing damage for a while now. But we got these cool red hats.

Herring

Blue states need to learn how red states work, because this country is turning into one big red state. Threatening/damaging your population to keep them in line is absolutely par for the course normal and expected, as perfected during slavery.

https://link.springer.com/article/10.1007/s11109-024-10000-8

In a nutshell, this is what Trump was elected to do to minorities, women, trans, blue states, Europe, China, everyone.

NewJazz

Trouble is... You can do it to a few minorities and get away with it. When you act like an asshole to the entire world, well suddenly assholes as big as you are in the minority... Oops.

watwut

He is going to do to America the same thing he had done to his companies - destroy it. Unfortunately, he fails upwards, so he will take over the whole world and then destroy it all.

pheggs

there are at least two reasons trump is pushing for oil:

1) the US has lots of oil reserves, which would lose lots of value if everybody was using renewables 2) oil is the main driver for dollar demand, as oil is paid in dollar, allowing the US to have lots of debt relatively cheaply

That's also the reason why he wants to tell Europe to stop using renewables, and that's the reason why he is threatening Venezuela - because they have the biggest oil reserve and started selling it in different currencies.

Now whether that whole genius strategy to gain wealth through geopolitics is worth an extinction event is a different story.

Jtsummers

> That's also the reason why he wants to tell Europe to stop using renewables, and that's the reason why he is threatening Venezuela - because they have the biggest oil reserve and started selling them not in USD.

What's interesting is that the strategy you suggest (tell Europe to stop using renewables, attack nations that compete with US oil sales) only motivates other nations to move away from oil. It's a terrible strategy if the intent is to sell more US oil. Renewables are far more sustainable in many regards, and bolster national energy security while remaining on fossil fuels leaves them weak wrt energy security.

pheggs

it could very well be that it backfires. I guess time will tell. A lot of his actions seem to be trimmed into this direction, and it's not a new one. He left the paris climate agreement quite a while back as far as I remember. blocking offshore wind construction just fits this agenda, as supporting companies to manufacture these windmills would just make everything cheaper (more demand, rising production capacity etc.) and demonstrate actual use of it.

At least that's how I see this.

andrewflnr

Intentionally doing damage started with DOGE. So, roughly day 1.

bakies

you forgot this is part 2

nailer

Eliminating government waste damages the wasteful and corrupt.

https://doge.gov/savings

amanaplanacanal

Just because they call it waste, doesn't make it so. You could cut anything and then justify it by calling it waste.

It's all bullshit.

watwut

The group that was found to be massively lying every time they released stats in easy to catch ways and wasted more money then they saved?

huntertwo

The intention is to make specific individuals a lot of money. It has been since day 1.

dylan604

Do you mean the first day 1 or the second day 1?

wnevets

> What the... It seems we crossed into the realm of intentionally doing damage.

That began almost the moment this administration came into power.

Moldoteck

china runs with everything. They are still expanding coal units for firming and they'll build a ton of new gas units too. But to ban deployment of wind turbines without any explanation is ... expected from current administration...

hopelite

Being blind with bias is also expected. I don't like what is going on either, but please consider that if it was only about "damaging" as others have implied, it would not just be off shore wind turbines. I can assure you there are other reasons.

iwontberude

Reminiscent of how most water which used to melt into the Great Salt Lake is now being used to farm Alfalfa, which only makes up 1% of their GDP and far fewer jobs than other industries. Of course if this continues for another generation, toxic arsenic dust will pollute and force the failure of Salt Lake City and surrounding regions. Luckily this will cause the agricultural industry to fail (after killing many people) and nature will heal itself.

blahedo

I've been wondering all year about what happens when an executive-branch office issues orders that it is not legally qualified to issue; by and large everybody has just... followed them. This may be another example (I don't know quite enough of the legal specifics in this case, though there are certainly others that are more slam-dunk-y in this respect).

What are the enforcement mechanisms here if the states in question---MA, RI, CT, NY, NJ, and VA---just said "no go ahead, keep building"? What happens to the companies if they just keep building? I'm not saying they should but at this point rule-of-law has fallen apart so badly that I literally don't know what happens when the government invents a new rule and people just... disregard it. (Particularly if state-level enforcement decides not to play along.) Do they bring in the FBI? Military?

jrmg

Short term punishment for states: ICE and the National Guard get sent into cities to make people feel unsafe, under the guise of an ‘immigration emergency’. Perhaps also Marines!

To punish more fully, just illegally withhold federal funds for whatever is most hurtful. Highways? Education? Healthcare?

And to your direct point, I’m sure someone could whip up a reason for the military to take over and shut down the sites if they don’t comply - this _is_ a national security matter after all.

Court system stops any of that? Just comply (or pretend to) with the letter of the ruling and try another barely-distinguishable but arguably different illegal method for the next few months while the gears of the court system grind.

What is _meant_ to stop the executive branch (meant to ‘execute’ the will of Congress, not just follow its own desires) going rogue is impeachment by Congress, but that seems like a far off prospect.

amanaplanacanal

Midterms are coming up next year.

consumer451

Don't worry, there is a plan. CNN will be in new hands by that point. Reddit's r/all will be, or already is gone from the app's defaults, and much more to come!

delfinom

[flagged]

pred_

> just said "no go ahead, keep building"? What happens to the companies if they just keep building?

As the article also touches upon, this already happened in the particular case of Revolution Wind: There, work, was forced to stop in August, then in September a federal judge blocked enforcement of the block, and work continued:

https://www.cnbc.com/2025/09/22/judge-orsted-revolution-wind...

https://www.reuters.com/business/energy/offshore-wind-develo...

And “what happens” seems to be that rather than appeal, the rule-of-law deniers apparently choose to not care? Work has stopped again:

https://orsted.com/en/media/news/2025/12/revolution-wind-and...

dmbche

These things take large amount of money from upstream, if the money is cut they can "say" what they want, nothing is getting done, from my understanding

reactordev

Power of the purse, given to the executive

techgnosis

I would imagine that most if not all will comply with illegal orders out of fear of retaliation, which is a very valid fear.

bell-cot

Don't expect any sort of mass disobedience here. Doing anything in offshore wind requires a large, highly-skilled organization and lot of time. One firm "ahem!" from the Coast Guard, Navy, or Treasury, and that kinda org will back down.

If things fall apart so badly that the CG, USN, and Treasury don't matter - then who's paying the bills for any offshore construction, and who's protecting anything that is built from looting or seizure?

SamDc73

Yes, turbine blades can introduce radar clutter and affect certain military systems; but this has been know since the 1990s and has been engineered around for decades.

China, the UK, Germany, and Denmark operate gigawatts of offshore wind in close proximity to military-grade and NATO air-defense radar without much issue...

mullingitover

This is a road to serfdom (and/or a road to 1789 France) situation with what's happening to energy prices in the past couple years[1].

The price of new solar+battery and wind should be pushing fossil fuel energy prices off a cliff right now, unless you live in a petrostate.

[1] https://fred.stlouisfed.org/series/APU000072610

jameslk

That graph is not inflation-adjusted and basically says to avoid using it like this in the description:

> Average prices are best used to measure the price level in a particular month, not to measure price change over time. It is more appropriate to use CPI index values for the particular item categories to measure price change.

I’m not doubting that (inflation-adjusted) energy prices have gone up but this graph is misleading to represent it

FRED actually has a blog post about how you would go about calculating an inflation-adjusted priced graph here: https://fredblog.stlouisfed.org/2022/11/fred-gets-real-unles...

monero-xmr

The UK has tons of wind power but prices there are exceptionally high. Offshore wind isn't as cost effective as solar, it's the poster boy for high-cost, low-value renewable energy

KaiserPro

> Offshore wind isn't as cost effective as solar, it's the poster boy for high-cost, low-value renewable energy

Its not clear cut.

Part of the reason why electricity is so expensive in the UK is that its tied to natural gas prices. some of it is CFD, but most of it is because a lot of our power comes from natural gas.

We pay for gas on the open market because we aren't self sufficient for gas any more.

Yes solar is cheaper to deploy, but its not as useful on its own. Wind is far far better in the winter.

What we should be doing is getting nuclear plants built. Small ones ideally, but a few bigguns will do. Then we won't be so reliant on natural gas. We also need to get those extra transmission cables built.

(note we could have built 10 nuclear power plants, well EDF at 2002 power prices, but the present government balked because nuclear is bad yo.)

cjs_ac

UK energy prices are set by the most expensive energy source in the mix that contributes to the National Grid, which happens to be gas.

Nextgrid

Which also sets broken incentives where nobody (not even renewables) are actually incentivized from dethroning gas/etc.

youngtaff

Uk energy costs are high because the highest cost marginal producer sets the rate i.e. gas powered stations

Many of the new wind farms get a fixed price for energy and when the wholesale price is about that the excess gets channeled into a fund that is used to reduce consumer prices

doctorpangloss

energy development is complex, but it cannot be your idea, which boils down to, "whatever is cheapest," especially for government policy. it would be cheapest to not use energy at all, which is the exact opposite of the mercenary POV you are talking about, without having to use the word environment at all.

monero-xmr

It would be cheapest, and 100% in our control, to construct coal plants. Coal is abundant. China builds insane amounts of coal plants to this day. That would provide bountiful cheap energy.

But we don't do this. So all else being equal, I would suggest we reorient towards other types of renewable energy, especially nuclear, if we are longer worried about price

kylehotchkiss

Meanwhile, we're in a multi-year shortage of turbines for thermal electrical plants. Electric bill beatings will continue until morale improves.

exabrial

I actually believe the radar surveillance excuse (on a technicalities only), if that's what this is going to come down to. The ocean is a big empty place and prime for picking up radar reflections as the background is pretty quiet.

However... how on earth was this not identified like 10 years ago way before these projects were even started? Seems pretty obvious in hindsight.

arghandugh

This is because King Pedophile wants to destabilize the American power grid in order to enrich his donors.

It was an explicit campaign promise that the tech industry completely endorsed and he is fulfilling it.

dlt713705

Next step is invade Venezuela and pump as much oil as possible

marcosdumay

The theory that the US government does those wars to keep oil prices high fits the timing way better than the opposite.

I still thinks it's missing important details, but the US making wars to get more oil doesn't fit reality at all.

Surac

i have the feeling the real reason is "drill baby drill". The actual administration does not hide it's love for carbon based energy

alecco

Occam's Razor: offshore wind requires a lot of rare earths for their magnets and whatnot. US military-industrial complex needs the little remaining global supply not under China's export controls.

KaiserPro

> offshore wind requires a lot of rare earths for their magnets

compared to the general motor market in the USA? I think thats out by a few orders of magnitude.

Radar shadow is vaguely plausible, if your radar is shit and needs replacing.

it also requires your hydrophone network to not be working that well either.

techgnosis

This feels extremely plausible. I don't see anyone else saying this yet, well done.

bongodongobob

Occams Razor: Trump openly hates windmills and green energy

LgWoodenBadger

It's to reapply pressure on Denmark with respect to Greenland.