Grid capacity API
Belgium
LiveWhat Belgium's grid operators publish about spare capacity, in one JSON shape. Each value says which way the power flows, for which technology and year, how the operator worked it out, how fresh it is and whether we may serve it.
- Operators
- 8
- Grid assets
- 1,139
- Capacity series
- 19,446
- Newest operator date
- 11 Nov 2026
Sources10
- 4 served with values
- 6 listed, values withheld
Sources
Where the numbers come from
Each operator publication we read, and what its terms let us serve.
- GrantedHealthyFluvius Open Data: Energieopslagsystemen per postcode (1_22, aggregated)
by Fluvius System Operatorbe_fluvius_storage_per_postcode
- Updated
- Monthly
- Operator date
- 10 Nov 2026
- Last read
- 26 h ago
- Assets
- 516
- GrantedHealthyElia Grid Hosting Capacity map (griddata.elia.be, v2)
by Elia Transmission Belgiumbe_elia_hosting_capacity
- Updated
- Monthly
- Operator date
- not stated
- Last read
- 17 h ago
- Assets
- 330
- GrantedHealthyFluvius Open Data: Lokale productie per gemeente (1_33)
by Fluvius System Operatorbe_fluvius_connected_per_municipality
- Updated
- Monthly
- Operator date
- 10 Nov 2026
- Last read
- 15 h ago
- Assets
- 286
- GrantedHealthyElia Open Data: Referential of the Belgian high-voltage substations (ods121)
by Elia Transmission Belgiumbe_elia_substations
- Updated
- Monthly
- Operator date
- 1 Nov 2026
- Last read
- 27 h ago
- Assets
- 31
- Registry onlyDisabledAIEG: Capacité d'accueil de nouvelles unités de productions décentralisées
by AIEGbe_aieg_capacite_accueil
- Updated
- Unknown
- Operator date
- not stated
- Last read
- never
- Assets
- 0
- Registry onlyDisabledFluvius Capaciteitswijzer (aansluitbaarheid op het middenspanningsnet)
by Fluvius System Operatorbe_fluvius_capaciteitswijzer
- Updated
- Unknown
- Operator date
- not stated
- Last read
- never
- Assets
- 0
- Registry onlyDisabledFluvius netcongestie Vlaanderen: aansluitingsmogelijkheden per stroomgebied
by Fluvius System Operatorbe_fluvius_congestion_map
- Updated
- Monthly
- Operator date
- not stated
- Last read
- never
- Assets
- 0
- Registry onlyDisabledORES Global Capacity Announcement (capacité d'accueil en électricité)
by ORESbe_ores_gcan
- Updated
- Unknown
- Operator date
- not stated
- Last read
- never
- Assets
- 0
- Registry onlyDisabledRESA: Capacités permanentes d'injection par poste
by RESAbe_resa_perm_capacity
- Updated
- Unknown
- Operator date
- not stated
- Last read
- never
- Assets
- 0
- Registry onlyDisabledREW: Capacité d'accueil
by Régie de l'électricité de Wavrebe_rew_capacite_accueil
- Updated
- Unknown
- Operator date
- not stated
- Last read
- never
- Assets
- 0
Map
Every located asset
Drawn at the precision the operator published. Assets without a published location are listed but not drawn. Values live on each asset’s page.
Loading the map…
Operators
Who runs the grid in Belgium
- AIEGDSOKnown, but no source served
- AIESHDSOKnown, but no source served
- Elia Transmission BelgiumTSO2 source(s), 337 assets
- Fluvius System OperatorDSO4 source(s), 802 assets
- ORESDSOKnown, but no source served
- RESADSOKnown, but no source served
- Régie de l'électricité de WavreDSOKnown, but no source served
- SibelgaDSOKnown, but no source served
Query Belgium
One request for the whole country
Filter the search by country, then by direction, technology, availability type, firmness or year. Withheld records come back too, with their value set to null, so you can see where an operator publishes something we may not pass on.
curl "https://api.gridcapacityapi.com/v1/capacity/search?country=BE&direction=injection&limit=20" \
-H "Authorization: Bearer gc_live_..."