Gas Power Plant Tracker
146 Plants 72GW Capacity
US gas-fired power plant costs have tripled this decade. Halcyon has built a multi-state, centralized feed of all planned US assets, with asset-level technology, timelines, prices, and changes.
Large Load Tariff Tracker
50 Tariffs 41M Customers Served
Large load tariffs are specialized electricity rate structures designed for customers with significant power demand, like data centers. These tariffs are used to allocate costs more equitably, ensure grid stability, and manage risk.
FERC AD25-7-000
Comment Analysis
68 Organization comments 128 Submitters
This workbook summarizes comments submitted after the June 2025 Technical Conference.
Customizable Data Fields
Work with Halcyon to add custom fields to these data sets based on your specific needs. Don't see the right data set for you? Reach out and tell us what you want.
New Gas Power Costs Are Increasing — And Underreported
The most accurate and recent market data on gas turbine costs isn’t found via the EIA or NREL — it lives in Integrated Resource Plans (IRPs) and Certificates of Public Convenience and Necessity (CPCNs). In collaboration with Gridlab and Energy Futures Group, Halcyon has used its authoritative data catalog of 4.5+ million documents from all 50 public utility commissions to provide the clearest possible view of current gas market conditions.
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