Halcyon Data Subscriptions — our Trackers — turn millions of primary-source filings into clean, structured, asset-level datasets you can analyze right away. Where Search, Queries, and Alerts work at the document level, Data Subscriptions give you the whole market in one regularly updated structured asset.
What you can subscribe to
- Gas Power Plant Tracker — every planned U.S. gas-fired plant, with technology, timelines, prices, and changes.
- Large Load Tariff Tracker — specialized rate structures for large-demand customers like data centers.
- Rate Case Tracker — key metrics from IOU-submitted rate cases nationwide.
- Battery Energy Storage System (BESS) Tracker — planned U.S. utility-scale storage, asset by asset.
- New Substation Development Tracker — projects informing new substation development nationwide.
Halcyon also publishes custom and special datasets (for example, a FERC ANOPR large-load comment analysis) and has more trackers in development.
Getting started
- Access: Subscribe to a single Tracker or get All Access to all of them plus new releases during your term. Each Tracker includes seats to the Halcyon Research Platform (Search, Queries, and Alerts).
- Always current: Datasets refresh on a monthly basis, every entry traceable to its primary source via source-linked citations.
- Get the data: Reach out through halcyon.io/data-subscriptions or your Halcyon contact.
Learn more
- Data Subs Overview — how subscriptions work and a deep dive on each Tracker
- Downloading Data Subscriptions — how to export and work with your data
Got questions or feedback about this page? support@halcyon.io
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