These days the city of San Francisco gives residents a choice of electricity providers with the default being an organization called "CleanPowerSF".
Quote:
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A program of the San Francisco Public Utilities Commission, CleanPowerSF is a local solution to the climate crisis, offering renewable, affordable and accessible energy to our community. We empower residents and businesses to choose a more sustainable future, today.
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https://www.cleanpowersf.org
They claim to have 380,000 "customers" in SF with each "customer" being either a business of household housing multiple individuals.
The basic residential service is appropriately labeled "Green" however there is also a "Supergreen" option for a supplemental charge of $.01 per KWhr
I'm introducing this issue because today I received the periodic notification of the sources of my power.
This compares the 2 city options, "Green" and "Supergreen" with the statewide average power sources. As indicated, the default "green" option produces about 8.5% of the greenhouse gas emissions produced by the same amount of power statewide and the "Supergreen" option is emission-free.
CA has historically been somewhat lucky in having some natural emission-free power sources like hydro and geothermal (hot springs/geysers). I'm not sure what impact the drought will have especially on hydro going forward but the amount of solar/wind power being generated statewide is increasing yearly.
So does your city or electric company tell you where it gets the power it provides to your home and/or the greenhouse gasses emitted by generating it?