Reports & Assessments

WECC produces a number of reports and assessments that provide insights into the reliability of the bulk power system within the Western Interconnection. The list below, while not exhaustive, highlights many of our premiere products.

2025 Western Assessment of Resource Adequacy 
2026 State of the Interconnection
Event Analysis
Large Loads Assessment
NERC Assessments
Oversight Trends Report
Summer Reliability Assessment
Weekly Wildfire Update
Winter Reliability Assessment