Kees van der Leun  Profile picture
Oct 2, 2020 5 tweets 2 min read Read on X
China's biggest-ever solar power plant goes live: world's #2 at 2.2 GW! Construction on the project was completed in September after just four months. cnet.com/news/chinas-bi…
2.5 of these would produce as much electricity per year as a 1 GW nuclear power plant running continuously.
But building those solar power plants one after the other would take 10 months instead of 10 years.
Searching a bit more, it looks like the 200 MWh storage took 4 months to complete, but the solar farm itself took 10 months: pv-magazine.com/2020/10/01/wor…
This also states that the plant will deliver power at €0.043/kWh, that's $0.05/kWh.
From end-1997 to end-2003, the world as a whole managed to install 2.2 GW of solar PV, which meant a 6-fold growth of the cumulative capacity at the time.

From November 2019 to September 2020, the construction crew installed 2.2 GW in this one Chinese solar PV power plant.
200 MWh of battery storage on a 2,200 MW solar PV plant is not a lot by the way.: enough to store 5.5 minutes of the plant's full power. It's probably meant to stabilize the short-term output before putting it on the 800 kV ultra-high-voltage transmission line.

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More from @Sustainable2050

Jun 8
Nasty climate tipping point in sight, especially for NW-Europe! "Nothing drastic will happen at the moment we cross it - which might be soon - but after that the collapse of the current will be unstoppable." And could lead to rapid regional cooling, not so far away from us.
This is a simplified map of the Atlantic Meridional Overturning Circulation (AMOC), bringing heat from the South Atlantic, via the Caribbean to the European side of the North Atlantic. On cooling there, the water sinks to 2-3 km depth and takes the cold to the South. Image
Without the AMOC, the North of Europe - especially Iceland, Scandinavia, and Britain - would be much colder than it now is. Image
Read 43 tweets
May 16
Agreement between right-far-right Dutch coalition parties published now. Thread with some points on climate and energy. These are the plans, but execution will of course be key. Wilders and his PVV are in full climate denial, like much of the EU's far right.
1/
- Stick to existing agreements, no higher ambitions than EU policy
- No rules for improving energy efficiency of owner-occupied homes. Obligation (from 2026) to install heat pump on replacing gas-fired heating boiler canceled.
- End of EV subsidies in 2025.
2/
- Study how zero-emission zones in cities kan be delayed to create exceptions for entrepreneurs, but creating such zones remains decision of municipality.
- An end to subsidies for Bio-energy with CCS (for negative emissions) as soon as possible.
3/
Read 9 tweets
Mar 16
Starting a week-long business & pleasure trip to Spain, by train!
Hope to be in Barcelona this evening :)
I'll keep you posted in this🧵 Image
The plan for today: Utrecht - Rotterdam - Paris - Barcelona. The tricky part is changing trains in Paris. Theoretically 2 hours should be more than enough to get from Paris-Nord to Gare de Lyon (the rail planner irresponsibly proposed 1 hour), but @Eurostar is often delayed (2/n) Image
Made it to Rotterdam, at least ;)
Bit very early, but hey, why hurry on a Saturday morning? (3/n)
Image
Image
Read 69 tweets
Jan 28
Reading the Dutch "Action agenda congestion low-voltage grids".
The accelating energy transition already brings grid issues here. In the low-voltage distribution grid, the growing number of solar panels (PV), electric cars (EV) and (hybrid) heat pumps ((h)WP) is the challenge. Image
Without measures, a large and growing number of households would experience periods with too high or too low voltage (over- resp. onderspanning) or risk of grid failure. Image
Measures are categorized in:
1) accelerating grid expansion
2) more efficient use of the grid capacity
3) saving energy as much as possible.

1) already gets a lot of attention, and each of the three main DSOs plans to spend around €1 billion/year. Many hurdles though.
Read 16 tweets
Nov 14, 2023
"Transition doesn't make energy cheaper, but to the contrary, significantly more expensive"
Headline in Dutch @Volkskrant yesterday, 9 days before the elections here. "Consumers and companies will pay 92% more for electricity and natural gas by 2030".
Hmm, let's look into that. Image
Firstly, as others have already pointed out too, it's a comparison between 2020 and 2030. In 2020, energy was cheap: Covid reduced demand, and Russia hadn't started its energy war and attack on Ukraine yet.
Compared with 2023, not a lot would remain of the "+92%". Image
Looking into the forecasted price increase 2020-2030 it has three components:
1. Tax (Belasting) +€5 billion. That'd be a political choice, which has little to do with the energy transition.
2. Grid (Netbeheer) +€5 billion. Increase to be expected indeed.
But ... Image
Read 17 tweets

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