# Shelby Energy County

MISO asset profile · https://askthegrid.com/assets/facilities/shelby-energy-county

## Current generation inventory

EIA plant 55237 · Inventory reporting month: 2026-08.

- natural gas: 483 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T02:12:40.665346+00:00
- Filed coordinate (longitude, latitude): -88.4772, 39.2794
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2023-04-23 04:47:46+00:00
- Map prepared: 2026-10-10T02:28:20.744240+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

Shelby Energy County is a 483 MW natural gas fired combustion turbine plant in Shelby County. Shelby County Energy Center is a natural gas peaking plant in Neoga, Illinois, in the MISO market. It uses eight General Electric LM6000 aeroderivative simple-cycle combustion turbines and is rated at 352 MW. NRG sold it to a Rockland Capital affiliate in 2015, and Earthrise Energy acquired it from Rockland Capital in a three-plant Illinois transaction around the turn of 2021 to 2022.

## Reviewed metrics

- **Nameplate capacity:** 483 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 55237 — plant-55237

## Facts

- **Technology:** Natural Gas Fired Combustion Turbine
- **Operator:** Shelby County Energy Center, LLC

## Related parties

- **Owner:** Earthrise Energy — owner ([source](https://earthriseenergy.com))
- **Former owner / seller:** Rockland Capital — former owner
- **Former owner:** NRG Energy — former owner

## Sources

- [fortnightly.com](https://www.fortnightly.com/node/21221) — fortnightly.com · public_source — Source retained for exact-record publication review.
- [powermag.com](https://www.powermag.com/two-illinois-gas-power-plants-acquired-by-public-benefit-corporation-earthrise-energy/) — powermag.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/shelby-energy-county
Website: [Earthrise Energy](https://earthriseenergy.com)

Source: Ask the Grid — https://askthegrid.com/