Fall 2026 Utility Decarbonization Report
The most complete, comparable ranking of the 47 largest U.S. investor-owned utilities' progress toward net zero.
Fast Facts
What's Inside
The clearest picture yet.
See the full 2026 Utility Decarbonization Index across all 47 ranked utilities
Understand the six weighted metrics behind each utility's score, from fuel mix to decarbonization goals
See how AI and data center demand growth is testing the pace of utility decarbonization
Track which utilities made the largest emissions cuts, and which drove the largest increases
Get NPUC's Path Forward: the five trends shaping the next phase of the transition
Inside Look
About This Edition
A streamlined, sharper report.
This edition captures the remaining 2024 utility data and any available 2025 data submitted as of June 2026. We’ve refined this year’s report to focus on what matters most: the main Decarbonization Index and the key takeaways defining the sector’s progress — a clearer, faster read for utilities, regulators, and stakeholders.
Download the Fall 2026 Report.
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