United States › Grid › Interconnection queues › Iowa
NUCLEAR · MISOReplacing 244 MW of Solar with Nuclear; Duane Arnold
Replacing 244 MW of Solar with Nuclear; Duane Arnold is a 251 MW nuclear request in interconnection study in the MISO interconnection queue, in Linn County, Iowa, connecting to ITC MIDWEST.
Queue statusIn planning
- PlanningQueued Aug 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2029 (not yet reached)
- Closed (not yet reached)
Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.
Request details
- Queue ID
- R5071
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- ITC MIDWEST
- Connection point (POI)
- Duane Arnold (ARNOLD 5)
- Location
- Linn County, Iowa
- Technology
- Nuclear: 251 MW
- Total requested
- 251 MW
- Queue status
- Active
- Entered queue
- 26 August 2025
- Proposed online date
- December 2029
Location
Marker shows the centre of Linn County; the queue data does not give exact sites.
Other requests in Linn County
- Solar project J504, Linn CountySolar · 50.0 MW · agreement signed
- Gas project E0050, Linn CountyGas · 987 MW · in study
- Nuclear project J3932, Linn CountyNuclear · 646 MW · in study
- Solar project J2268, Linn CountySolar · 400 MW · in study
- Battery storage project J2469, Linn CountyBattery storage · 300 MW · in study
- Solar project J1444, Linn CountySolar · 200 MW · in study
- Replacing 200 MW of Solar with Nuclear; J1444Nuclear · 200 MW · in study
- Battery storage project J4155, Linn CountyBattery storage · 195 MW · in study
- Replacing 100 MW of Solar with Nuclear; Duane ArnoldNuclear · 100 MW · in study
- Battery storage project J2120, Linn CountyBattery storage · 100 MW · in study
- Gas project J1359, Linn CountyGas · 95.0 MW · in study
- Replacing 50 MW of Solar with Nuclear; Duane ArnoldNuclear · 64.0 MW · in study
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem