Coverage varies by dimension because each depends on different upstream sources. This page shows exactly how many plants and projects have data in each dimension, where the gaps are, and why.
Coverage summary
| Dimension | Coverage | Of total | Primary source |
|---|---|---|---|
| Base (plants) | 15,528 plants | 100% | EIA-860M + Annual |
| Base (generators) | 29,738 generators | 100% | EIA-860M |
| Ownership (GEM) | 7,818 plants | 26.8% | GEM Trackers |
| Generation | 13,534 plants | 89.9% | EIA Generation API |
| Financial | 3,246 plants | 21.6% | FERC + LBNL + EQR |
| Pricing | 20,618 crosswalk rows | ~74% of ISO generators | EIA + OSM + curated nodes |
| Context (Wikipedia) | 732 plants | 4.9% | Wikidata + Wikipedia |
| News | 8,023 plants + 909 projects | 53% of plants | Google News (Serper) |
| Interconnection | 9,783 active projects | — | LBNL + 7 ISO feeds |
Base layer
The EIA inventory is the foundation — every plant and generator registered with the US Energy Information Administration is included. This is 100% coverage by definition: the platform uses EIA as the canonical plant registry. 15,528 plants with 29,738 generators.
Ownership
GEM trackers provide parent company identification for 7,818 plants (26.8%). The remaining plants rely on EIA-reported utility names, which often reflect SPV legal entities rather than beneficial owners. Wikidata contributes cross-reference identifiers for linking to external knowledge bases.
Generation
The EIA Generation API provides monthly net generation (MWh) for 13,534 plants — 89.9% of the fleet. The remaining ~10% are typically very small plants, recently commissioned facilities without full reporting history, or plants exempt from Form 923 filing.
Financial
Financial data comes from three sources with distinct coverage:
FERC Form 1
~1,400 regulated electric utilities. Capital costs, O&M, fuel costs, depreciation. Does not cover independent power producers or merchant generators.
LBNL Utility-Scale Solar
~1,569 solar projects. Installed cost ($/W), PPA prices ($/MWh), energy value, and capacity factor.
FERC EQR
~594 plants matched by seller name. Wholesale contract prices, volumes, and counterparty names.
Combined: ~3,246 plants (21.6%) have at least one financial data point.
Pricing
20,618 plant-to-node crosswalk entries across seven ISOs (CAISO, ERCOT, MISO, PJM, NYISO, ISO-NE, SPP). Approximately 74% of generators in ISO territories have at least one resolved pricing node. Hub assignment covers 99% of ISO generators.
Context
732 plants have Wikipedia summaries (linked via Wikidata Q-IDs). Coverage is naturally concentrated on larger, more notable facilities. Small distributed solar and minor peaker plants typically do not have Wikipedia articles.
News
News articles cover 8,023 plants and 909 interconnection queue projects with ~112,000 articles grouped into ~39,000 unique stories. Coverage targets plants with 10 MW+ nameplate capacity and active queue projects. Approximately 51% of articles have been classified into categories by LLM.
Interconnection
38,043 total queue entries from LBNL + 7 ISO/RTO live feeds, of which 9,783 are active or suspended. Coverage is comprehensive for the 7 major ISOs. Smaller entities (BPA, PacifiCorp, SOCO, etc.) are covered through the LBNL baseline but may lack ISO-specific fields like study phase and service type.