Right I’m an idiot, it should have stuck out to me that I was dividing by time twice.
Comment on How much power can a 1kW wind turbine produce for your home? - Engadget
cynar@lemmy.world 4 days agoIt would be closer to 4.8kWh/day. That is assuming a strong steady wind. Real world conditions would take a significant cut. Cut windspeed in half with clutter (trees, buildings etc) and you’re down to 0.6kWh/day.
Basically there is almost nowhere that wind wins over solar. At least at consumer scale.
klankin@piefed.ca 4 days ago
boonhet@sopuli.xyz 4 days ago
Anything between late october and early march?
I can’t be arsed to find it again, but there’s a company that does solar installs in my country and they have production statistics from some of their installations on their website. I checked out a couple and May or June tended to be about 30x higher than December. I think May was actually the peak production month which in hindsight makes sense because in June the midday sun is really high in the sky and the morning and evening are somewhat more north than you’d normally get so they don’t give you much extra.
December, meanwhile, gets about an hour of useful sunlight a week.
cynar@lemmy.world 3 days ago
In the UK it’s apparently around 4-5x better in summer. That’s a bit situation dependent. However, even at 10x, solar still competes well with wind. A useful turbine is still over 10x the cost of an equivalent winter output of solar panels. The only advantage they have is space efficiency. However, if space is that much of a premium, then it’s likely messing up low altitude wind as well.
It’s also worth noting that solar panels are effectively a rock that makes electricity. Wind turbines have moving parts. They can ice up, and have to shut down in winter storms.
I would love wind to be a viable home companion to home solar, but the maths just doesn’t add up. It’s amazing at grid scale, but crap at home scale.