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Accelerating Better Decision Making

~200,000 documents added monthly

5.4M+ energy filings dating back to 2020

Halcyon makes energy information easy to find and analyze. 

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Halcyon Search

Search and analyze energy dockets, filings, and documents for free. Filter by Topic (Wildfires, Data Centers, and more), Keywords, and Filing Type to find exactly what you need.

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Data Subscriptions

Dynamically updated datasets collated from authoritative sources to help you make faster and more informed commercial decisions.

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Halcyon Alerts

Stay up to date on the latest energy news and information. Sign up for a free Halcyon account to receive daily email alerts on new energy regulatory filings.

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PRODUCT FEATURES

Make CTRL+F a thing of the past

 
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AI-Assisted Discovery

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Purpose-built search infrastructure and knowledge graph streamline energy transition research and analysis
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Intuitive natural language interface makes it easy to interact with and interrogate data
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Customizable filters, tags, operators and outputs provide multiple pathways to relevant information
 
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Curated Data Catalog

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Instantly accessible information aggregated from governments, utilities, corporations, and industry organizations
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High-volume, rapid data ingestion from authoritative sources keeps you up-to-date
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Transparent document library and query response citations include clickable sources to verify accuracy
 
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Built for You

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Experienced tech founders and decarbonization experts are optimizing for speed and scale
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Rapid, responsive product development focused on meeting diverse use cases and bespoke data requirements
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Shareable and exportable workspaces foster collaboration and integrate into existing workflows efficiently and securely
LATEST POSTS
Read the Latest from Halcyon

Onto Something

When we started building Halcyon a couple of years ago, the vision was simple: aggregate energy regulatory data and make it accessible. From the very beginning – and still today – practitioners across sectors have told us that navigating the many sources and repositories is, to put it frankly, pretty much a nightmare. To this day, I've not had a single person say, "Oh, don't do that, it's really not a problem.” This gave us a lot of encouragement and strength – the type that comes from knowing you are on a worthy mission. That feeling that you are onto something.

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Halcyon just launched its fourth data subscription, the Battery Energy Storage System (BESS) Tracker. We already track gas-fired power generation assets, large load tariffs, and rate case cost of capital proceedings; this subscription deepens and broadens our coverage of US power infrastructure for anyone building, financing, supplying, or underwriting its future. Similar to our other data subscriptions, the BESS Tracker updates monthly, drawing data from every US state public utility or service commission, Federal Energy Regulatory Commission, and ISOs/RTOs, in a corpus of 5.4 million (and counting) documents. As with our other subscriptions, building and updating the tracker means extracting specific, structured data from a wide array of unstructured context. This first version contains over 250 assets with a power capacity greater than 100 megawatts, and includes more than 25 data fields per asset. These fields range from asset ID and relevant docket, to storage capacity and...

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