es_ree_generation_access_capacity

REE — Capacidad de acceso de generación en la red de transporte

Published by Red Eléctrica de España, S.A.U. · ES · Monthly

Archived, pending reviewpending_reviewHealthy

Generation and storage (injection) access capacity in MW at each of REE's 937 transmission nodes, from its monthly study: nodal capacity and unoccupied margin by criterion (short-circuit WSCR, static, dynamic, bay limits), granted and pending capacity by module type, gross margin, capacity not available to requests with the reason, net capacity available for requests by connection network, and capacity released for self-consumption.

What is withheld, and why

Every value from this source is withheld. The operator’s terms do not clearly allow us to redistribute its figures, and when signals conflict the more restrictive reading wins until the operator confirms otherwise in writing. Records are still listed — with capacity.value null, access.status "withheld" and a link to the publication — so you know the operator publishes something there.

The publication is still read and kept, because operators overwrite their files and a history not recorded when it happened can never be recovered. If reuse is cleared, customers get the history as well as the present.

REE's legal notice claims the site's information including its databases; exploitation needs prior written authorisation, and reuse citing REE is allowed only for informative, non-commercial purposes. A publication duty (Circular 1/2021 art. 12) is not a reuse licence. Archived, never served, until REE authorises commercial reuse in writing (research/dossiers/es.md §13 Q2).

Licence and rights evidence

Licence: REE Aviso legal, §5.1 Propiedad intelectual (all rights reserved) (opens the operator’s site)
Attribution: Fuente: Red Eléctrica de España (REE), capacidad de accesorequired
Technical access: Yes
Commercial use: No
May be cached: Not established
May be redistributed: No
Derived data allowed: Not established

Evidence

siempre que sea con fines informativos y no con finalidad comercialwww.ree.es/es/aviso-legal (opens the operator’s site) · read 25 Sep 2026

Methodology

1 version(s)

REE generation access-capacity study, transmission nodes

es_ree_gen_rdt_2026 · vCircular 1/2021 and its Especificaciones de Detalle (27-06-2024); RDL 7/2026

REE's monthly study of the generation access capacity of each transmission node for the final horizon year of the transmission plan: nodal capacity and margin under the short-circuit (WSCR), static (N and N-X) and dynamic criteria and the per-bay limits; the gross margin as their minimum; the capacity held back for tenders and Just Transition nodes; and the net capacity available for new requests by module type and connection network.

Capacity basis: operator calculated
Network state: unknown
Binding: No
Additive across assets: No — do not sum these figures
The method accounts for: reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Comparability class: es_rdt_generation_access_cir1_2021
Documentation: Operator’s method (opens the operator’s site)

The operator’s own caveats

REE: the publication is informative; the specific study of each individual request always prevails, and granted capacity is not a guaranteed production capacity.

How the publication maps to the model

availability types: ["total","available","allocated","requested","unknown"]
binding: false
directions: ["injection"]
firmness: ["unknown"]
geometry precision: none
includes reserved projects: null
non additive: true
notes: ["One node per 'Nombre y tensión del nudo' (unique; binudo halves are 'BEGUES (BEGUES B) 220'), identifier es_ree_node, which CNMC's transmission layer carries as NUDO_AFECCION_RDT (936/937 nodes join). The file has no coordinates; the CNMC layer does.","Every value is one column of the file, its series variant naming the column: per criterion the nodal capacity (total) and the unoccupied margin (available) — wscr_* (short-circuit criterion, power-park modules only), estatico_* (static, generation and storage separately), dinamico_* (dynamic, with the node's internal configuration limit), posicion_* (bay limits); granted (allocated) and pending (requested) by module type — mge (all modules), mges (synchronous), mpe (power park, with/without WSCR effect), gen (generation), alm (storage); margen_total_* (the gross margin, the minimum over the criteria); no_disponible_* (capacity not available to ordinary requests: tender or Just-Transition reservations, 'no connection possible' — availability unknown, with REE's reason); the net capacity available for requests by connection network (mges_rdt, mpe_rdt, mges_rdd, mpe_rdd); autoconsumo_* (capacity released for self-consumption only, RDL 7/2026).","MGES is a synchronous power-generating module, MPE a power park module (inverter-connected: PV, wind, most batteries); the vocabulary has neither, so both are generic_generation (storage_other for storage) with the module type in the variant.","'N/A' is published as null with REE's label; a blank bay limit (501 nodes) is 'not published', never 0. The criteria that limit each margin, zone ids, the reservation reason and the governing regulation travel in details.","Numbers use '.' as a thousands separator ('2.406' is 2,406 MW, checked against the XLSX's numeric cell) and have no decimals."]
spatial scope: node
technologies: ["generic_generation","storage_other"]
units: ["MW"]

Query this source

$ curl "https://api.gridcapacityapi.com/v1/capacity/search?source=es_ree_generation_access_capacity&limit=20" \  -H "Authorization: Bearer gc_live_..."