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EIA-860 Storage Generators

This is the subset of utility-scale battery and energy storage resources reported in the EIA-860 generator inventory, covering plant and owner identifiers, location, capacity, and operating status alongside storage-specific attributes such as maximum charge and discharge rates, useful-life energy in MWh, and storage technology.

eia860.storage_generatorsEIAInfrastructure dataERCOT marketNYISO marketCAISO marketPJM marketMISO marketISO-NE marketSPP market
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One row per
storage generator x EIA inventory snapshot
Monthly + annual (snapshot) cadence
Evidence
Reference data
Stable context used to interpret other datasets
Time basis
Point-in-time records
UTC · event_time

Overview

It is updated annually with a full snapshot and refreshed monthly between cycles. The duration and power ratings let you separate short-duration frequency-regulation assets from longer-duration shifting resources, and tracking new entries over time shows where storage is being added across the grid. Operators, traders, and researchers use it as the authoritative reference for what storage exists, where it sits, and how much energy and power it can move.

Query contract
Select one exact event_time inventory snapshot before filtering status or aggregating capacity.
Analysis rules
Use balancing_authority_code='ERCO' for the active ERCOT scope and filter operating status explicitly when the question asks for operating inventory.
Interpretation
EIA inventory operating status and nameplate capacity are not real-time dispatch, availability, or state of charge.

Access

Plans
See available download and API access options. View pricing
MCP
Connect an MCP client and load the contract with describe_data before calling query_data.ERCOT MCPCAISO MCPNYISO MCPPJM MCPSPP MCPMISO MCPISO-NE MCPBPA MCPGreat Britain MCPAPI reference
HTTP endpoint
POST /api/v1/datasets/eia860_storage_generators/query
Full history
Delivered to Snowflake, Databricks or your own storage on a schedule by Data services.
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Schema

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Sample data

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Coverage

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