# Hardin Solar III

PJM asset profile · https://askthegrid.com/assets/facilities/hardin-solar-iii

Hardin Solar Energy III LLC - Hardin County - PJM

Hardin Solar III is a 250 MW utility-scale solar photovoltaic facility in Hardin County, Ohio, consisting of one generating unit with photovoltaic technology and no energy storage. The facility occupies approximately 1,030 acres within a 1,534-acre project area and includes associated infrastructure such as access roads, an operations and maintenance building, electric collection lines, weather stations, inverters and transformers, and a collection substation. Hardin Solar III is powered by American-made solar panels produced by Illuminate USA and is operated under a long-term services agreement by Invenergy Services, which employs four permanent operations and maintenance staff.

## Metrics

- **Nameplate capacity:** 250 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 68591 — plant-68591

## Facts

- **Technology:** Solar Photovoltaic
- **Operator:** Hardin Solar Energy III

## Related parties

- **Owner:** Hardin Solar Energy III LLC — Project company and FERC applicant
- **Owner / commercial participant:** WEC Energy Group — Majority owner; 90% ownership interest ([source](https://www.wecenergygroup.com/about/wec-infrastructure.htm))
- **Owner / developer:** Invenergy — Developer and owner/operator affiliate ([source](https://invenergy.com/news/invenergy-s-hardin-iii-commences-operations))
- **Offtaker / power marketer:** Microsoft — Power purchaser and renewable-energy-credit off-taker
- **Equipment supplier:** Illuminate USA — Solar panel manufacturer ([source](https://www.illuminateusa.com/))

## Sources

- [invenergy.com](https://invenergy.com/news/invenergy-s-hardin-iii-commences-operations) — invenergy.com · public_source — Source retained for exact-record publication review.
- [opsb.ohio.gov](https://opsb.ohio.gov/cases/20-1678-el-bgn) — opsb.ohio.gov · authoritative — Source retained for exact-record publication review.
- [federalregister.gov](https://www.federalregister.gov/documents/2024/04/08/2024-07320/hardin-solar-energy-iii-llc-supplemental-notice-that-initial-market-based-rate-filing-includes) — federalregister.gov · authoritative — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/hardin-solar-iii

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