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Halcyon Data Products

Quickly evaluate energy market dynamics and find new growth opportunities with regularly updated data sets collated from authoritative sources nationwide 
UPDATED - July 18 2025

Gas Power Plant Tracker

134 Plants 65GW 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.

NEW - July 23 2025

Large Load Tariff Tracker

35 Tariffs 39M 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.

NEW - July 15 2025

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.

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