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Solarpunk is happening in Africa

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Re: Solarpunk is happening in Africa

#141
post #38

Earlier quoted context omitted.

> Thanks to all the entrepreneurs and engineers over the past decades Hat tip also to China's ideological commitment to independence from external oil supplies, as nicely coupled to reducing pollution and greenwashing their image. It's their citizens who sacrifice to make solar power cheap enough.

I dont think China deserves that hat tip. Their "commitment" was done years after all the major nations had committed to emissions reduction and seems to have only been done so they could sell the solution. They've made little attempt to reduce emissions and instead scaled their industrial base to capitalize on the demand from nations working to reduce their carbon footprint. The only thing they've done to greenwash…

This isn't factually accurate at all, and I would encourage some research so your statements can be more accurate.

https://ember-energy.org/latest-insights/china-energy-transi...

https://ember-energy.org/latest-updates/wind-and-solar-gener...

https://electrek.co/2025/09/02/h1-2025-china-installs-more-s...

> Global solar installations are breaking records again in 2025. In H1 2025, the world added 380 gigawatts (GW) of new solar capacity – a staggering 64% jump compared to the same period in 2024, when 232 GW came online. China was responsible for installing a massive 256 GW of that solar capacity. For context, it took until September last year to pass the 350 GW mark. This year, the milestone was achieved in June. That pace cements solar as the fastest-growing source of new electricity generation worldwide. In 2024, global solar output rose by 28% (+469 terawatt-hours) from 2023, more growth than any other energy source. Nicolas Fulghum, senior energy analyst at independent energy think tank Ember, said, “These latest numbers on solar deployment in 2025 defy gravity, with annual solar installations continuing their sharp rise. In a world of volatile energy markets, solar offers domestically produced power that can be rolled out at record speed to meet growing demand, independent of global fossil fuel supply chains.”

https://www.eia.gov/todayinenergy/detail.php?id=65064

> Utility-scale solar power capacity in China reached more than 880 gigawatts (GW) in 2024, according to China’s National Energy Administration. China has more utility-scale solar than any other country. The 277 GW of utility-scale solar capacity installed in China in 2024 alone is more than twice as much as the 121 GW of utility-scale solar capacity installed in the United States at the end of 2024. Planned solar capacity projects will likely lead to continued growth in China’s solar capacity. More than 720 GW of solar capacity are in development: about 250 GW under construction, nearly 300 GW in pre-construction phases, and 177 GW of announced projects, according to the Global Solar Power Tracker compiled by Global Energy Monitor.

https://cleantechnica.com/2025/04/20/chinas-coal-generation-...

> China’s coal-fired electricity generation took an unexpectedly sharp turn downward in the first quarter of 2025, signaling a potentially profound shift in the world’s largest coal-consuming economy. This wasn’t merely a seasonal dip or economic distress signal; rather, it represented a clear and structural turning point. Coal generation fell by approximately 4.7% year over year, significantly outpacing the overall grid electricity supply decline of just 1.3%. However, electricity demand, a better measure, went up by 1%. What gives?

https://foreignpolicy.com/2025/08/21/china-clean-renewable-e...

> China’s Decarbonization Is So Fast Even New Coal Plants Aren’t Stopping It. In multiple sectors—transportation, renewable energy, and overall electrification—the clear trend is toward a greener energy system. In fact, in areas like renewables and electric vehicles, China is now the world’s leading player. With the United States essentially abandoning the field, it will become even more dominant.

https://www.theguardian.com/world/2025/jun/26/china-breaks-m...

> China’s installations of wind and solar in May are enough to generate as much electricity as Poland, as the world’s second-biggest economy breaks further records with its rapid buildup of renewable energy infrastructure. China installed 93 GW of solar capacity last month – almost 100 solar panels every second, according to an analysis by Lauri Myllyvirta, a senior fellow at the Asia Society Policy Institute. Wind power installations reached 26 GW, the equivalent of about 5,300 turbines.

(it is somewhat irrelevant that China has accomplished spinning up a clean tech machine of this scale out of energy security reasons, as it still accomplishes the goal of decarbonizing their economy first, and then, the rest of the world as their spun up manufacturing flywheel exports cheap clean tech to the world)

https://ember-energy.org/data/china-cleantech-exports-data-e...

Re: Solarpunk is happening in Africa

#142

The grid is HUGELY expensive, an absolutely massive cost for our electricity. And it would still be expensive in a well-regulated environment where you can quickly and easily get permission to build, without, say, voter ballot propositions illegally blocking a transmission line for years [1]. Here in the US we have a very very poorly regulated environment for adding to our grid, it moves slower than molasses and ther…

> Decentralized solar plus batteries is already cheaper than electricity + transmission for me at my home in the US. The only thing stopping me is the permitting hassle or the contractor hassle. Does decentralized solar plus batteries give you same amount of reliability? How many days without sunny weather can you survive without having to change your energy use habits? Each 9 of reliability for infrastructure is EXT…

PVWatts will help you figure this out: https://pvwatts.nrel.gov

According to PVWatts, a 10kW solar system would get me very close to my average usage in December. I'd be way over in the summer, could probably get away with a 4kW system and dial back use during an outage. I can lease two Powerwall 3 batteries from my utility company for $55/mo.

Or look at: https://www.franklinwh.com/products/apower2-home-battery-bac...

Edit: this also looks like a good option: https://www.santansolar.com/product/the-homesteady-kit/

We used to lose power 3-4 days a winter in our old house. It would have been really nice to have heat. A generator or smaller system could handle that.

Re: Solarpunk is happening in Africa

#143

I think this is really cool, but math seems off: > A company (Sun King, SunCulture) installs a solar system in your home > * You pay ~$100 down > * Then $40-65/month over 24-30 months But also: > The magic is this: You’re not buying a $1,200 solar system. You’re replacing $3-5/week kerosene spending with a $0.21/day solar subscription (so with $1.5 per week half the price of kerosene) $1.5 week is $6 a month, not $60…

this, they also say 45-60/month which is NOT 0.21/day

Re: Solarpunk is happening in Africa

#144
post #63

Earlier quoted context omitted.

> Decentralized solar plus batteries is already cheaper than electricity + transmission for me at my home in the US. The only thing stopping me is the permitting hassle or the contractor hassle. Does decentralized solar plus batteries give you same amount of reliability? How many days without sunny weather can you survive without having to change your energy use habits? Each 9 of reliability for infrastructure is EXT…

It absolutely does not. But having electricity 13 days every two weeks is much better than not having it at all. This isn't about China building out their grid with an over capacity factor of 200% so they can keep everything running even if rain, sun and wind all fail for months on end. This is a developing county getting to the point they can charge mobile phones consistently.

When I go to https://model.energy/ and ask it to solve for providing steady output in China from 100% renewable energy (wind/solar/battery/hydrogen) at minimum cost using 2030 cost assumptions and 2011 weather data, the solar curtailment is just 7.3% (and most of the energy is coming from solar, not wind). If I remove hydrogen and solve again, solar curtailment increases to 16.7%. "200% overcapacity" is completely bogus.

Re: Solarpunk is happening in Africa

#145

The grid is HUGELY expensive, an absolutely massive cost for our electricity. And it would still be expensive in a well-regulated environment where you can quickly and easily get permission to build, without, say, voter ballot propositions illegally blocking a transmission line for years [1]. Here in the US we have a very very poorly regulated environment for adding to our grid, it moves slower than molasses and ther…

> Decentralized solar plus batteries is already cheaper than electricity + transmission for me at my home in the US. The only thing stopping me is the permitting hassle or the contractor hassle. Does decentralized solar plus batteries give you same amount of reliability? How many days without sunny weather can you survive without having to change your energy use habits? Each 9 of reliability for infrastructure is EXT…

> And grid has a lot of 9s.

Where I live, I only get two 9s from the utility. And I'm within commuting distance of Seattle. With my generator, I still got three nines the one year where the battery tender failed and the generator didn't start when needed, but only because that outage was less than 8 hours and I replaced the battery tender before further outages (I could have jump started the generator, but the outage started overnight and waiting it out was easier). Most years, the number of brief outages adds up, and I probably only get five 9s.

Solar + battery + generator for really bad weeks (but make sure you exercise it!) could pretty easily add up to the two nines I'd get from the utility here.

For developing countries, solar + battery alone is likely be better than many grids which often are intermittent rather than 24/7 and many places don't have any access to utility power.

Re: Solarpunk is happening in Africa

#146

This has got to be ChatGPT, right? There's just a lot of... nonsensical phrasing and sentences? I love the story of it, but I can't take the writing. > This worked great if you were electrifying America in the 1930s, when labor was cheap, materials were subsidized, and the government could strong-arm right-of-way access. It works less great when you’re trying to reach a farmer four hours from the nearest paved road w…

Hey there, author (Skander from Climate Drift) here.

So for the record: This isn't a chatgpt article, it's something I wrote over the weekend while I was down with a flu (although the idea has been running through my head for a while).

@America's 1930s: Most of US rural electrification happened at this point (90% of urban homes hat electricity, only around 10% of farms). Rural Electrification Act from 1936 changed that: https://en.wikipedia.org/wiki/Rural_Electrification_Act

Re: Solarpunk is happening in Africa

#147

This has got to be ChatGPT, right? There's just a lot of... nonsensical phrasing and sentences? I love the story of it, but I can't take the writing. > This worked great if you were electrifying America in the 1930s, when labor was cheap, materials were subsidized, and the government could strong-arm right-of-way access. It works less great when you’re trying to reach a farmer four hours from the nearest paved road w…

don't know if the article is chatgpt or not, but "might as well be a million dollars" is a super common way of saying "completely out of reach"

Re: Solarpunk is happening in Africa

#148

This has got to be ChatGPT, right? There's just a lot of... nonsensical phrasing and sentences? I love the story of it, but I can't take the writing. > This worked great if you were electrifying America in the 1930s, when labor was cheap, materials were subsidized, and the government could strong-arm right-of-way access. It works less great when you’re trying to reach a farmer four hours from the nearest paved road w…

The structure of each section gives away that it's mostly AI even without having to read the actual words. I'm sure it was AI + writer, but there's something about ending each section with 3-4 short, question-like sentences that is strongly AI. This is the same format as the successful LinkedIn slop so maybe it's not AI and just algo-induced writing.

Re: Solarpunk is happening in Africa

#149

The grid is HUGELY expensive, an absolutely massive cost for our electricity. And it would still be expensive in a well-regulated environment where you can quickly and easily get permission to build, without, say, voter ballot propositions illegally blocking a transmission line for years [1]. Here in the US we have a very very poorly regulated environment for adding to our grid, it moves slower than molasses and ther…

Here in Austria, grid costs are now on par with the actual electricity cost. Each are ca €0.1 per kWh now, plus again that in taxes.

Once the EU finally gets rid of the ridiculous pricing model where spot prices are dictated by the most expensive energy source (usually, gas), we might have a situation where grid costs exceed the cost of energy itself.

Oh and what do they do with that money? Hoard it for upcoming grid updates, which they supposedly have to make to accommodate solar peaks and EV charging. And buy solar parks in Spain, apparently.

Re: Solarpunk is happening in Africa

#150

I was staying at a Maasai owned ecolodge in Kenya on the day they switched over from generator to solar. It was so much quieter, and with their new electric Range Rover they don’t ever have to go into town except for parts.

This reads like a timeline in a game of Civ. Love it.
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