The AI boom runs on electricity — staggering amounts of it. Here's what the data center buildout means for California's grid, PG&E and SCE rates, and why Central Valley homeowners are locking in their own power price now.
PG&E has reported that data center projects seeking power in its territory could add about 10 gigawatts of new demand over the next decade — roughly four times the output of the Diablo Canyon nuclear plant, California's largest power source. Nationally, data centers are projected to account for about 40% of all electricity demand growth through the end of the decade.
Serving that demand means billions in new transmission lines, substations, and generation. California's Little Hoover Commission — the state's independent watchdog — warned in 2026 that without new rules, those costs could land on the bills of ordinary households, urging that "costs that data centers impose on the electrical grid should be paid by the centers themselves, not by average California families." Nationally, one analysis estimates data-center-driven grid costs have already added roughly $23 billion to public electricity bills.
Goldman Sachs expects tight supply and surging data-center demand to keep pushing wholesale electricity prices upward — with California called out specifically. Some researchers note that in past years data centers helped spread fixed grid costs and modestly lowered rates; the difference now is the sheer speed and size of the AI buildout. When 10 gigawatts wants to plug in, someone builds a lot of expensive infrastructure.
Fresno and the Central Valley are attractive to data center developers — available land, fiber routes, and transmission access. Every gigawatt that connects here competes for the same grid capacity your home runs on. You can't vote on PG&E's interconnection queue. But you can make your roof your power plant, at a locked rate typically 40–50% below the utility's — with $0 out of pocket. When demand spikes lift everyone else's rates, yours stays put.
See where PG&E rates stand right now: PG&E Rate Hikes: The Decade That Doubled Your Bill →
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