This paper uses data from the world’s 5th-largest economy to show no blackouts occurred when wind-water-solar electricity supply exceeded 100 % of demand on California’s main grid for a record 98 of 116 days from late winter to early summer, 2024, for an average (maximum) of 4.84 (10.1) hours/day. Compared with the same period in 2023, solar, wind, and battery outputs in 2024 increased 31 % 8 %, and 105 %, respectively, dropping fossil gas use by an estimated 40 %. Batteries, which shifted excess solar to night, supplied up to ∼12 % of nighttime demand.
From the linked study’s abstract:
(Admittedly, it was 3 clicks away. Here’s a direct link: https://www.sciencedirect.com/science/article/abs/pii/S0960148124023309 )