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‘If 1.5m Germans have them there must be something in it’: how balcony solar is taking off
(www.theguardian.com)
this post was submitted on 11 Feb 2025
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Home solar indicates a massive management failure of public utilities. If it is more cost effective and more pleasant to generate your own electricity without any economies of scale, something is very wrong.
Source: I live in California where the “public” utility is an absolute disaster that charges $.60-$.70/kW/hr so anybody who can afford the upfront cost of solar has done so.
Microgeneration makes way more sense to me. If you generate the power where it is used without pollution, we should. The unfortunate piece is we have to many landlords who's interest are too divorced from their tenets to put up more microgeneration
These microinverters aren’t made of fairy dust. Doing this stuff at utility scale uses a lot less nasty minerals and chemicals.
a mix of both is good, there's arguments for doing local co-generation. Where you essentially turn a community into it's own power plant, and when you're talking about things like micro inverters, the cost doesnt really change.
Is it more efficient to do it at a utility grid scale? Yes, does that make it overall better? Not really, you still have to deal with grid inefficiencies, and maintenance, and well, you still have to deal with installations, so the cost isn't that significant at the end of the day.
Solar is one of very few renewable energy sources that you can actually locally build and maintain on a small scale, no sense in removing that utility from it, that's part of the reason it's so popular.
Transformers, power lines, roads, trucks, and maintenance teams to move from large scale plants to houses also doesn't grow on trees, but if maintenance in remote places doesn't happen it can burn a lot of them.
Sometimes large scale plants make sense, but as the back up too microgeneration where the costs of infrastructure to move from unpopulated to populus areas make sense.
I am also a fan of less inverted power in microgeneration though. More and more of power usage is DC anyways. The need to convert to AC as much IMHO, but that is my far more radical take
Makes sense mathematically or you think makes sense?
Both.
The reduction of infrastructure and leveraging existing buildings without reducing their existing utility vs converting a new space to be a dedicated power plant plus the infrastructure to move power from less populus (normal case because the cost of populus land is high due to demand) to more populus space.
I also idealogically support it because it makes more controllable by people and less controlled by an outside entity (a corporation/state).
God, I love living in a nuclear plant evacuation zone
Shoot, my electric is like $.0625/KWH
But there is also another 75-100 bucks tacked on as fees. Tempting to go solar and disconnect from the grid. Even without selling energy back to the grid, I would break even. (Savings over 20 years ~200 bucks)
The rent seekers making everything worse again
I live in an area where there is a monopoly of power supply by one of the worse polluters in American history, in a small area within a county there's an existing co-op power company that was basically grandfathered in because it's been in existence for so long while no other competitors are allowed in the area.
That co-op when I lived in the area was about half the cost of the monopoly company, a relative gets actually paid to be a member because they received their fathers account when he passed away and extra funds are distributed among all the members based on how long they've been with them (a little weird, but at least better than shareholders getting the profit).
You are absolutely right that the electric companies as a whole have failed, they've been allowed to amass too much influence and coverage while squashing any kind of competition. Why electrical needs aren't considered a national resource is mind baffling to me. Our country and citizens way of life would literally grind to a halt without it.
Infrastructure should be public, with regulated access for wholesale and retail. It works. The grid operator needs to make money for large scale projects like interconnectors, modernising, maintenance and build.