Gas Power Plant Tracker
168 Plants 84GW 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
65 Tariffs
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.
Rate Case/ Cost-of-
Capital Tracker
70+ rate cases from 50+ U.S. IOUs, since 2021
Track key metrics from over 70+ IOU-submitted rate cases.
Battery Energy Storage
System Tracker
200+ BESS representing ~35 GWh across 40 states
Track planned U.S. utility-scale storage, with asset-level technology, timelines, prices, and changes.
New Substation
Development Tracker
Track 400+ dockets informing new substation development nationwide.
FERC AD25-7-000
Comment Analysis
68 Organization comments 128 Submitters
This workbook summarizes comments submitted after the June 2025 Technical Conference.
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The Next Phase of Energy, Power, and AI
New York Climate Week 2025 Keynote
Halcyon Chief Strategy Officer and co-founder, Nat Bullard, uses data sourced directly from Halcyon's software platform to discuss the current state of the energy grid as it relates to forthcoming demand and current policy, and shares perspective on the rapid expansion of AI workloads and their impact on energy consumption, sustainability, and infrastructure resilience.
Download the full keynote presentation now, for free.
