# Greater Des Moines

MISO asset profile · https://askthegrid.com/assets/facilities/greater-des-moines

## Current generation inventory

EIA plant 7985 · Inventory reporting month: 2026-08.

- natural gas: 576.3 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): -93.5283, 41.5563
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2023-01-25 04:37:37+00:00
- Map prepared: 2026-10-10T02:28:19.181804+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

Greater Des Moines Energy Center is a 540 MW natural gas combined-cycle station in Pleasant Hill, Polk County, Iowa, on the former Des Moines Power Station site. MidAmerican Energy Company owns it. Two Siemens Westinghouse W501FD combustion turbines entered commercial operation in May 2003, producing 350 MW, and a Toshiba steam turbine of about 190 MW followed.

## Reviewed metrics

- **Nameplate capacity:** 576.3 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 7985 — plant-7985

## Facts

- **Technology:** Natural Gas Fired Combined Cycle
- **Operator:** MidAmerican Energy Company

## Related parties

- **Owner / operator / developer:** MidAmerican Energy Company — owner ([source](https://www.midamericanenergy.com))

## Sources

- [industrialinfo.com](https://www.industrialinfo.com/news/article/midamerican-energy-begins-commercial-operation-of-greater-des-moines-energy-center--26393) — industrialinfo.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/greater-des-moines
Website: [MidAmerican Energy Company](https://www.midamericanenergy.com)

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