Voltane Nuclear sites Oklahoma GREC
Oklahoma · Former coal plant
GREC
GREC is a former coal plant in Mayes County, Oklahoma. EIA records 1 coal unit retired in 2020 (540 MW). 1,194 MW of generation still operates at the site (conventional steam coal, natural gas fired combined cycle): an existing grid connection, shown in the app as a proxy, never as available capacity.
Screening match Microreactor
90.3 / 100
Data for 100% of the criteria
SMR
90.0 / 100
Data for 100% of the criteria
Large reactor
86.6 / 100
Data for 100% of the criteria
Screening only — not a site suitability determination.
Location Mayes County, Oklahoma. Approximate location (36.19, -95.29).
Nearby candidate sites GREC ranks 1st of 2 candidate sites in Oklahoma by SMR match.
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Sources This site Every match U.S. EIA, EIA-860M monthly generator inventory — August 2026 inventory (released 2026-09-23/24); preliminary per EIA.U.S. EIA, EIA-860 annual generator report — 2025 final, released 2026-09-10U.S. NRC, power reactor status, decommissioning and early site permits — Checked 2026-10-04: List of Power Reactor Units (updated 2026-09-14), Power Reactor Status for the last 365 days (to 2026-10-02), decommissioning list (updated 2026-09-14), ESP pages (updated 2026-09-23)Federal sites named for new nuclear by an official source — Official announcements 2025-04-03 to 2026-09-28U.S. Census Bureau, 2020 Census blocks and population — 2020 Census (P.L. 94-171 counts on 2020 blocks); files dated 2023-01..2023-03 U.S. Census Bureau, 2020 urban areas and gazetteer — 2020 Census urban areas (UACE20), 2023 gazetteer releaseUSGS National Seismic Hazard Model — CONUS 2023 (R2), Alaska 2023 (R1), Hawaii 2021 (R1), Puerto Rico/USVI 2025 (R1) USGS Quaternary Fault and Fold Database — Archive dated 2026-02-23 (database edition Qfaults_2020)USGS National Atlas hydrography — 2014 editionLBNL harmonized U.S. transmission lines — Published 2026-08-03, updated 2026-09-22HIFLD electric power transmission lines (final public release) — HIFLD final release, data to 2024-09-30OpenStreetMap power lines — OpenStreetMap snapshot 2026-09-28 JRC / Copernicus GloFAS river flood hazard maps — v2.1.2 (2026-01-12; tiles 2025-12-18) FAA NASR airports — NASR cycle effective 2026-10-01USACE National Inventory of Dams — Data last updated 2026-09-23U.S. EIA natural gas pipelines — January 2020 update, the latest EIA has publishedOpenStreetMap data centers — OpenStreetMap snapshot 2026-09-28 Epoch AI, AI data centers — File dated 2026-09-08Matches from Voltane Nuclear's screening model of 2026-10-17. Weights are product assumptions, not NRC rules.
Source: U.S. Energy Information Administration; U.S. NRC; U.S. Census Bureau (not endorsed or certified by the Census Bureau); U.S. Geological Survey; Federal Aviation Administration; U.S. Army Corps of Engineers. Transmission: LBNL (CC BY 4.0) and the SeerAI HIFLD Archive, final public release 2024-09-30 (CC BY 4.0), modified by Voltane. Flood: Baugh et al., Global river flood hazard maps, JRC / Copernicus (CC BY 4.0); contains modified Copernicus Emergency Management Service information. Data centers: Epoch AI, "AI data centers" (CC BY 4.0), modified by Voltane; and © OpenStreetMap contributors (ODbL 1.0), community-mapped and not exhaustive. Map: U.S. Census Bureau cartographic boundaries.
Screening only — not a site suitability determination.
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