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Germany outfitted half a million balconies with solar panels

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Re: Germany outfitted half a million balconies with solar panels

#341
post #292

Earlier quoted context omitted.

A big factor in the quick return (and maybe one reason for its popularity) is that Germany has some of the most expensive electricity in the world. The ROI doesn't look as attractive in France, the US or Norway.

If you break even in Germany in 3 years, you'll break even in France in 4. Maybe faster, given the differences in climate.

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Re: Germany outfitted half a million balconies with solar panels

#342

Earlier quoted context omitted.

Some good points, i have a few thoughts to add. Norway: yes, they are doing fine (80% EV, btw, so it seems you can actually use EVs in colder weather... I think the nordics are actually way ahead of the rest of Europe when it comes to sustainable energy creation, with norway getting about 90% last year from Hydro - super impressive. https://lowcarbonpower.org/region/Norway France: I think they might turn around, beca…

Norway gets most of its wealth from fossil fuel. While it's not Saudi Arabia nor Venezuela, and they invested in long term sustainability, it's not fair to everyone else to say that they are at 80%EV because they are forward thinkers, but because they have the money to do that.

It took forward thinking to dump their wealth into a sovereign wealth fund.

Australia started at a similar point with mineral wealth in the 90s and decided tax cuts for the middle class were a better idea (under Howard/Costello).

Re: Germany outfitted half a million balconies with solar panels

#343
post #311

Some people laugh at the 800W output. However, in Indonesia, roughly half of the 300 million people live in homes with an electricity capacity of 900W or less. Wish these kind of panels were available at that price here. We have pretty much 12 hours of sunlight every single day but household solar panel is discouraged by the state owned utilities.

> Some people laugh at the 800W output As a data point, 200-300W is enough to heat a 35m2 wooden house to 20°C with a heat pump, in Poland, so with external temperatures normally between -5°C and 15°C. Your watts can go much farther than you think.

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Re: Germany outfitted half a million balconies with solar panels

#344
post #264

It's like the backyard furnaces during the Great Leap Forward. Production of electricity like production of steel makes most economical sense at scale. When the economic policy fails so hard it has to resort to backyard anything you know where it's going.

Around here I have a backyard washing machine, a backyard grill, a backyard clothesline, and my neighbors have backyard childcare, backyard parking, and a backyard motorcycle. And actually inside my house I have a flush toilet and an oven. Your assertion seems to imply that if instead I had to wash and dry my laundry at a coin-operated laundromat, eat at a cafeteria table with all my neighbors, and piss in a portapot…

> Your generalization that any kind of decentralization amounts to collective action failure is wrong. Some kinds of decentralization do; ... Others don't.

That's correct, yes. I too prefer a decentralized washing machine to coin-operated laundromats which are very common in France where I live nowadays.

However I still believe that electricity generation has more in common with steelmaking than with laundry. Today solar panels make sense in terms of money ROI but not in terms of KWh ROI, they're largely enabled by economical disbalances around the world and not by their long-term value. The long-term solution in my view is nuclear which coincidentally the French do rather well, it's not all laundromats.

Re: Germany outfitted half a million balconies with solar panels

#345

Earlier quoted context omitted.

A big factor in the quick return (and maybe one reason for its popularity) is that Germany has some of the most expensive electricity in the world. The ROI doesn't look as attractive in France, the US or Norway.

> A big factor in the quick return (and maybe one reason for its popularity) is that Germany has some of the most expensive electricity in the world. Part of that is because our method of pricing is different than it is in the rest of the world. It doesn't matter if you got a 3x50A or 3x200A three phase service, only during construction (because a 3x200A uplink will obviously be a decent bit pricier), the monthly fee…

Yep in a lot of ways it's a failure of the electricity market.

It's absolutely bonkers how much I pay for electricity while I sit in the shadow of a giant onshore wind farm in Brandenburg. Transmission losses are nothing at this distance and the turbines cover the towns needs many times over.

But because of the lack of regional and dynamic pricing (and tax burden) we pay ridiculous rates.

I think if folks could financially benefit from renewable projects in their neighborhoods, suddenly citizens opposition would fall apart.

Maybe balcony solar is just a tax minimization play, in that the energy you get from panels isn't burdened by excessive network charges, consumer taxes etc.

Re: Germany outfitted half a million balconies with solar panels

#346

Some people laugh at the 800W output. However, in Indonesia, roughly half of the 300 million people live in homes with an electricity capacity of 900W or less. Wish these kind of panels were available at that price here. We have pretty much 12 hours of sunlight every single day but household solar panel is discouraged by the state owned utilities.

What are your most high powered appliances there?

Thinking about my home (in the UK) the "worst offenders" seem to be things that heat things, washing machine when it's heating water (~2.5kW), electric oven (~2-4kW), kettle (~1-2kW), electric heater (1-2kW).

Outside of those, we could have most other things on in the house and not be using much more than 1kW, though granted I've been very intentional with electrical efficiency with the electrical and electronic devices in our home (by UK standards).

Re: Germany outfitted half a million balconies with solar panels

#347
post #139
post #114

Earlier quoted context omitted.

You're not getting his point. Germany has a space problem. There aren't large swaths of land available to put solar panels on. Added to that you have to realize just how far north Germany is, and consequently how... Bad solar is because of that. Seriously, dropping down the same amount of panels gets you significantly less electricity in Germany then where China is building them, much closer to the equator. Overall,…

For many years I have been writing about how bad Germany is for solar panels because of, mostly, how far north it is. Specifically, the capacity factor for utility-scale solar in Germany has historically been about 10%, which is mostly because of the unfavorable latitude and cloudiness. You can see this quantified at https://solargis.com/resources/free-maps-and-gis-data?locali... . The capacity factor for utility-sca…

To put the 700 km² in context, that's approximately 30% more than what is currently (not historically) used for lignite mining in Germany: https://www.cleanenergywire.org/factsheets/germanys-three-li...

Re: Germany outfitted half a million balconies with solar panels

#348

Earlier quoted context omitted.

Not a bad legacy for Robert Habeck (along with the wind reforms), the leader we needed but didn't deserve [1][2]. Interestingly he's recently dropped out of politics and taken a teaching role at UC Berkeley. 1. https://www.youtube.com/watch?v=oxwVR5JF8Ok 2. https://www.youtube.com/watch?v=NxnnVPO9GFU

I'm not German nor do I live there, but I would have thought the legacy of Habeck would be more negative due to his opposition to nuclear.

Germany's nuclear power plants were shut down by the governments before him. What do you think he should have done differently?

Re: Germany outfitted half a million balconies with solar panels

#349

Earlier quoted context omitted.

Not a bad legacy for Robert Habeck (along with the wind reforms), the leader we needed but didn't deserve [1][2]. Interestingly he's recently dropped out of politics and taken a teaching role at UC Berkeley. 1. https://www.youtube.com/watch?v=oxwVR5JF8Ok 2. https://www.youtube.com/watch?v=NxnnVPO9GFU

I'm not German nor do I live there, but I would have thought the legacy of Habeck would be more negative due to his opposition to nuclear.

Most Germans would view that as a positive thing. Pushing for nuclear power at this point would be utterly stupid.

Re: Germany outfitted half a million balconies with solar panels

#350
post #329

Earlier quoted context omitted.

Not a bad legacy for Robert Habeck (along with the wind reforms), the leader we needed but didn't deserve [1][2]. Interestingly he's recently dropped out of politics and taken a teaching role at UC Berkeley. 1. https://www.youtube.com/watch?v=oxwVR5JF8Ok 2. https://www.youtube.com/watch?v=NxnnVPO9GFU

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He had a pretty unfortunate card dealt to him with the Russian invasion of Ukraine and Germanys dependence on Russian gas, especially in its industry.

I think the move away from nuclear energy in Germany was a mistake, but one which was decided on way before he came into office. Doubling down on nuclear would have cost a fortune (old reactors weren't maintained well enough to run for longer due to phase out decision after Fukushima & not enough new engineers in Germany). He was in a lose lose situation, I think he did pretty well overall, but was blamed for old decisions (Altmaiers abandonment of German solar industry, heating reform by CDU+SPD) and had bad handling of reports on him in the news.

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