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Brian Bartholomew Profile picture
Brian Bartholomew
@BPBartholomew
Batteries, power markets, niche memes. Previously @REVRenewables, @BloombergNEF, @PrincetonInAsia, @Fulbright. COYS
Mar 18, 2024 • 7 tweets • 3 min read
The California grid in spring, now featuring:

- negative midday power prices and net loads
- clean energy meeting more than 100% of afternoon electricity demand
- gigawatts of curtailed solar
- gas plants pummeled by negative spark spreads
- batteries arbitraging power prices Image On sunny spring afternoons, carbon-free power now routinely supplies more than 100% of California electricity demand Image
Jan 7, 2022 • 4 tweets • 2 min read
Wind vs. coal in SPP. Wind was the largest source of SPP electricity in 2020. Higher gas prices in 2021 put coal back on top. Image SPP used to have one of the dirtiest grids in the US. The wind boom changed all of that. (h/t @tipvortice) Image