NERC Report Raises New Questions About Colorado Energy Reliability
By: Sarah Montalbano | Complete Colorado
The North American Electric Reliability Corporation’s (NERC) 2026 State of Reliability report contains lessons for Colorado’s electricity sector. While the grid as a whole “continues to deliver reliable electric service,” challenges are mounting thanks in part to the “declining availability of aging combustion generation.”
NERC’s report finds that power plants failed more in 2025, with the fleet-wide forced outage rate climbing to 9.2 percent against “historical norms rarely exceeding” 8 percent. Coal-fired plants saw their forced outage rate rise from 11.2% in 2024 to 14.1% in 2025.
NERC surveyed owners of generators that s...