What data actually exists about this industry, who typically holds it, at what granularity, and how obtainable it is. Public means openly published; purchasable is sold by a vendor; partnership needs a bilateral deal; exclusive is effectively locked up by one party.
| Data category | Who holds it | Granularity | Access |
|---|---|---|---|
| pricing | Power exchanges (EPEX, Nord Pool), TSOs, ENTSO-E Transparency Platform, regulators (ACER, national NRAs), data vendors (Montel, ICIS… | Per market time unit (hourly/15-min) per bidding zone; balancing and… | public |
| geospatial/movement | TSOs (grid asset GIS), national mapping/cadastral agencies, ENTSO-E grid maps, OpenStreetMap/OpenInfraMap | Per line segment, tower, substation; polyline/point geometry | public |
| registry/licensing/permits | National regulators, transmission licence registers, environmental permitting authorities, planning/consenting authorities, ENTSO-E TYNDP… | Per licence, per project, per permit application | public |
| employment & workforce | TSO HR departments, annual/sustainability reports, national statistical offices, trade unions | Annual headcount and FTE per company/function; sector aggregates | public |
| energy consumption | TSOs, ENTSO-E Transparency Platform, distribution interface metering, national statistical offices, Eurostat | Hourly/15-min load per control area and per grid supply point; monthly national… | public |
| financial filings | TSO holding companies (annual reports), stock exchanges, regulators' regulatory accounts and RIIO/RAB filings, ACER/CEER benchmarking… | Annual/quarterly per legal entity; regulatory asset base and allowed revenue… | public |
| incident/safety/claims | TSOs, regulators, ENTSO-E incident classification/system operation reports, national safety authorities, insurers | Per incident/outage event; annual reliability indices (ENS, AIT) per TSO | public |
| booking/utilization/occupancy | JAO and regional coordination centres (capacity calculation/allocation), TSOs, ENTSO-E Transparency Platform | Per interconnector per market time unit: offered NTC/flow-based domain… | public |
| waste & emissions | TSOs (SF6 inventories, grid loss reporting), environmental agencies (E-PRTR), sustainability reports, EU F-gas reporting | Annual per company/site: SF6 leakage rate, transmission losses in MWh/%, scope… | public |
| production output | TSOs (as measured injections), generators, ENTSO-E Transparency Platform | Per generation unit per market time unit; cross-border physical flows and… | public |
| weather-dependent metrics | National meteorological services, TSO forecasting units, commercial weather/energy forecast vendors (DTN, Vaisala, Meteomatics) | Gridded hourly forecasts and observations; line ambient/dynamic rating per… | purchasable |
| transactional/sales | TSOs and their settlement/billing units, allocation platforms (JAO for cross-border capacity auctions), imbalance settlement bodies | Per auction/bid, per settlement period per grid user; network tariff invoices… | partnership |
| maintenance & asset condition | TSO asset management departments, EAM system vendors (SAP, IBM Maximo), inspection/diagnostic service firms (line surveys, transformer oil… | Per asset (transformer, circuit, tower) per inspection or test event… | partnership |
| quality & compliance testing | TSOs, accredited test labs and certifiers (KEMA/DNV, CESI), grid code compliance bodies, regulators | Per equipment type-test certificate; per grid-connection compliance test; per… | partnership |
| inventory & supply chain | TSO procurement and warehouse systems, equipment manufacturers (transformers, cable, GIS), cable and conductor suppliers | Per spare part/SKU per depot; per procurement contract with lead times | exclusive |
| sensor/IoT | TSO control centres (SCADA/EMS, PMU/WAMS), substation automation vendors (Siemens Energy, Hitachi Energy, GE Vernova) | Seconds to sub-second per measurement point (line flow, voltage, breaker… | exclusive |
Compiled by the TriData research system from public registers, industry structure and regulatory reporting obligations; refreshed as the underlying catalogue grows. Look up the code itself in the NACE code finder.