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In Ukraine, distributed renewables foil Russia's assaults

https://energytransition.org/2026/09/in-ukraine-distributed-renewables-foil-russias-assaults/
46•JumpCrisscross•1h ago

Comments

realty_geek•47m ago
We need more positive stories like this
atoav•46m ago
If every building and other piece of infrastructure essentially powers itself, that means to disable a bunch of targets you now can't just disable a central substation that feeds them, you have to disable the targets themselves, and depending on the nature of the targets that may no longer be economical.

It also no longer makes sense to attack the connecting lines between them as well.

gnull•12m ago
Disabling them is a means to deal economic damage, not an end-goal in itself.

People built centralized grids because it's cheaper to build and service when the equipment is concentrated in one place. The economy of scale kicks in.

If you move to decentralized so there's fewer outages, but now you're paying extra to maintain it, your solution is not as good as it used to be, that's economic damage right there.

And your enemy probably will also stop targeting the small decentralized grid elements, so they're not spending bucks on missiles. They can use more of them to hit other parts of your economy that are still centralized.

Estimating the net impact of this change is bigger than the article suggests.

gnull•24m ago
This is greenwashing.

The article suggests that renewables are somehow more helpful in a war when your grid is targeted by drones and missiles. It doesn't do a comparison to back it up though.

Decentralized power production vs. centralized does make sense: decentralized doesn't offer a single point of failure taking out which causes a lot of damage.

But can't energy from fossil fuels be generated in a decentralized manner too? Sounds only better than renewables because it doesn't go up and down throughout a day, and doesn't need grid to amortize the jumps.

Renewables sort of need to be out there in the open to harvest energy from the elements. Solar needs sunlight, wind needs to spin its huge blades in open air. A diesel generator, on the other hand, perfectly goes underground, much harder to target.

So the article doesn't really establish that renewables offer a clear advantage over fossils in a war.

juntoalaluna•13m ago
decentralising your fuel production and to a lesser extent distribution is not easy either though.
hdgvhicv•13m ago
A drone blows up 1kWp solar panel you lose about 1Mwh in a year assuming it’s completely broken.

A drone blows up an oil carrying road vehicle you lose 350Mwh instantly.

You blow up a pipeline you knock out 1 million MWh a day

gnull•3m ago
The drone will disbale more than one of those 1kW panels if it hits an array of them. Panels are stationary, easier to target than vehicles.

Could you also motivate the choice to compare Wh of energy lost, instead of, say, US dollar cost of the damage? Sounds a bit odd, because Wh is not the currency I pay bills with.

How much does it cost to replace an array of solar panels, compared to the cost of sending another diesel truck (and paying for the destroyed one + its fuel)?

jmyeet•21m ago
I've been thinking about this (more [1]) and I do believe smaller grids will be the future for many reasons. I guess this is another reason. But the transition from large grids to small grids has no obvious, easy path because a large grid without total market saturation falls apart as maintenance is averaged over fewer and fewer users.

One side benefit though is that it would stop utilities being able to push data center costs onto consumers, something that regulators and governments thus far seem completely unwilling to do.

Oh and distributed infrastructure and leadership (the so-called "mosaic defense") is (yet) another reason why the Iran war was always unwinnable from the start.

[1]: https://news.ycombinator.com/item?id=49902903

thelastgallon•9m ago
Indeed. The future is off-grid and community level mini/micro grids.

There is no need to build/maintain transmission network.

Legacy grid is production in far away places, miles and miles of transmission, then a distribution network. The distribution network built for homes is sufficient for homes to participate in grid for redundancy. All buildings can produce energy. Rooftop is proven. Next is vertical solar-- which adds ~4 hours of production. EVs become a storage reservoir and supply power back to the grid (V2X). Add some BESS if needed.

Villages and developing countries (half the population in Asia, Africa) can go completely offgrid. Start with plugins, slowly upgrade to bigger panels. No transmission network needed.

MomsAVoxell•8m ago
The transition is off-grid.

The technology and the means are there - whats required is the willingness to adopt to the self-powered lifestyle.

Many, many folks have done this - stepped off the grid and live on self-harvested local energy sources - however, the grid is powerful.

It is difficult for entire cities to do away with it so rapidly .. at least until PV harvesting gets a significant order or two cheaper and more efficient…

I think it’s pretty obvious that electric transportation needs to fully adopt integrated energy harvesting. This seems to be an obvious legislative low-hanging fruit.

thelastgallon•14m ago
Fossil fuel supply chain makes your country very vulnerable!

https://github.com/Lkruitwagen/global-fossil-fuel-supply-cha...: The resulting complex network has 6.09mn nodes and 15.70mn edges and is implemented in a graph database. With estimates of annual coal, gas, and oil demand in 13,229 global population centres and 8,165 global power stations, we use a minimum-cost flow method to estimate global asset-level energy flows.

If you want to protect your country, here are your options:

1) Invest in nuclear power and nukes (source of Uranium may be a concern). See North Korea vs Iran.

2) Solar on every structure, every vehicle is an EV. This will be the most resilient, distributed grid that can never be disrupted. Node level failures (hail on roof breaks solar) can be easily repaired -- because EVs are batteries on wheels! They can go charge and come back.

sigmoid10•11m ago
>But can't energy from fossil fuels be generated in a decentralized manner too?

If you sit on an oil well, perhaps. In practice every static part of the production and distribution chain is a centralized target: from wells over refineries to depots, roads, harbours and finally power plants. You simply can't run fossils in a distributed local-first approach. That's also the reason why even for a massive oil producer like Russia, Ukraine can cause billions in damages with drones costing a couple hundred grand.

glenstein•7m ago
Right. I think the most optimistic take would be that vegetable oil with some processing, can be used for diesel but I'm not sure how practical that is or how reliable access to waste vegetable oil is
glenstein•10m ago
You're comparing diesel to PV which doesn't speak to the merits of PV vs centralization. There's also the massive disadvantage of fuel distribution from diesel, which is a form of centralization and bottlenecking, and then there's fuel shortages and costs which PV doesn't have to bother with.

Also is Russia targeting individual PV systems? That's tantamount to targeting individual residences which, if we're granting that, there's no amount of decentralizing that would ever mitigate those attacks so diesel vs PV would be moot.

Lastly I don't think that's what greenwashing means. Greenwashing isn't representing renewables favorably, it's tying some external negative practice to language of environmentalism with vague buzzwords and questionable claims of environmental benefits to make that thing look better. But in this case there's no external thing being tied to environmentalism, we're just talking about PV directly.

streetfighter64•6m ago
That's not what greenwashing means. Greenwashing refers to marketing that sells a product as environmentally beneficial, while it's not in reality.

Your claim is that they're selling a product (renewables) as beneficial for the war, while it's not. If I were to invent a term for that, it might be "camo-washing".

Whether your argument makes sense or not, I don't know. But you fail to note the drawback of a diesel generator: it needs diesel, and thus logistics.

thelastgallon•2m ago
Remotest villages in India were doing gobar gas plants in 80s/90s. What you are saying is possible.

If you have enough cows/biomass, perhaps you can have a home biomass to methane converter. Then you can use it for cooking, heating, etc.

You can convert a petrol car to a CNG car.

You could also have a coal to liquid plant in the backyard and generate diesel or petrol.

You have to do without any cooling though, fridge, AC, etc. Cold can't be created. Without electricity, just with chemicals fuels, it is unlikely.

Tell HN: Bob Cringely has died

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In Ukraine, distributed renewables foil Russia's assaults

https://energytransition.org/2026/09/in-ukraine-distributed-renewables-foil-russias-assaults/
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