# SMT Ironman Battery Storage Plant

ERCOT asset profile · https://askthegrid.com/assets/facilities/smt-ironman-battery-storage-plant

## Current generation inventory

EIA plant 67737 · Inventory reporting month: 2026-08.

- batteries: 304 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: 2026-10-10T22:49:53.020309+00:00
- Filed coordinate (longitude, latitude): -95.31001, 29.45566
- OSM extract: 2026-10-09T20:21:04Z
- OSM mapped edit: 2025-11-12 02:18:15+00:00
- Map prepared: 2026-10-10T23:05:21.631455+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

SMT Ironman is a battery project in Alvin, Texas, listed by EIA at 304 MW of nameplate capacity. A March 2024 FERC filing described approximately 441 MWh and said the project had not yet reached commercial operation; no later operating-status confirmation is cited here.

## Reviewed metrics

- **Nameplate capacity:** 304 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 67737 — plant-67737

## Facts

- **Technology:** Batteries
- **Operator:** SMT Ironman BESS LLC

## Sources

- [interchange.puc.texas.gov](http://interchange.puc.texas.gov/Documents/54974_120_1375289.PDF) — interchange.puc.texas.gov · authoritative — Source retained for exact-record publication review.
- [power-electronics.com](http://power-electronics.com/en/storage/pcsm-%26-multi-pcsm) — power-electronics.com · public_source — Source retained for exact-record publication review.
- [interchange.puc.texas.gov](https://interchange.puc.texas.gov/Documents/35077_1809_1391153.PDF) — interchange.puc.texas.gov · authoritative — Source retained for exact-record publication review.
- [prnewswire.com](https://www.prnewswire.com/news-releases/smt-energy-sells-400-megawatts-of-battery-energy-storage-facilities-to-ubs-asset-management-302055312.html) — prnewswire.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/smt-ironman-battery-storage-plant

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