Nuclear candidate sites in Iowa

16 sites in Iowa that Voltane screens for new nuclear: former and retiring coal plants, nuclear plant sites and federal sites, each matched to the microreactor, SMR and large reactor profiles. Ranked by SMR match; every match is out of 100.

Candidate sites in Iowa, ranked by SMR match

Rank	Site	Type	Micro	SMR	Large
1	Duane Arnold Energy Center	Shut-down nuclear site	87.5	84.4	72.4
2	George Neal North	Former coal plant	69.0	79.8	76.9
3	Walter Scott Jr Energy Center	Former coal plant	82.0	78.9	73.9
4	Muscatine Plant #1	Former coal plant	75.5	74.0	71.6
5	Archer Daniels Midland Clinton	Former coal plant	78.7	73.8	70.3
6	Fair Station	Former coal plant	78.6	72.6	71.1
7	Prairie Creek	Former coal plant	82.8	72.4	67.5
8	Lansing	Former coal plant	74.4	71.3	70.7
9	Riverside	Former coal plant	84.1	70.9	67.0
10	Sixth Street	Former coal plant	83.9	70.3	67.0
11	Pella	Former coal plant	76.9	67.3	66.5
12	AG Processing Inc	Former coal plant	57.8	64.3	60.4
13	John Deere Dubuque Works	Former coal plant	58.2	60.2	63.0
14	Iowa State University	Former coal plant	75.1	59.3	55.5
15	Dubuque	Former coal plant	53.6	53.8	58.6
16	Sutherland	Former coal plant	66.9	52.6	49.2

Match out of 100 to each reactor class's default profile. Screening only — not a site suitability determination.

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Signed-in Voltane Nuclear shows what each match is made of:

The factor-by-factor breakdown: transmission, population, seismic hazard, faults, flood, water, airports, dams, pipelines and data-center load
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Sources

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 2026-09-10
U.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 2026-09-28
U.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 release
USGS 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 edition
LBNL harmonized U.S. transmission lines — Published 2026-08-03, updated 2026-09-22
HIFLD electric power transmission lines (final public release) — HIFLD final release, data to 2024-09-30
OpenStreetMap 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 2026-10-01
USACE National Inventory of Dams — Data last updated 2026-09-23
U.S. EIA natural gas pipelines — January 2020 update, the latest EIA has published
OpenStreetMap data centers — OpenStreetMap snapshot 2026-09-28
Epoch AI, AI data centers — File dated 2026-09-08

Matches 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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