2021 · Milestone
Winter Storm Uri — Texas grid collapse
February 2021 freezing weather knocked out gas supply and power plants across ERCOT; rolling blackouts left more than 4.5 million customers without power and renewed national debate on weatherization and grid resilience.
Historical era
Transition & policy (2020–2025)
Renewables matched coal in primary consumption (2023, captured-energy basis); federal climate and infrastructure laws accelerated investment.