# Juno Solar Project

ERCOT asset profile · https://askthegrid.com/assets/facilities/juno-solar-project

SB Energy · Borden County · ERCOT

Juno is a utility-scale solar facility in Borden County, Texas. EIA's May 2026 inventory reports two current generators totaling 305.6 MWac and 422.5 MWdc, with operating dates in June and August 2021. SB Energy uses a rounded 418 MWdc project rating and identifies Juno as operating. Energy Marketing and Services.

## Profile

- **Grid role:** Utility-scale photovoltaic generation in ERCOT.
- **Current configuration:** Two solar generator records totaling 305.6 MWac / 422.5 MWdc.
- **Company project scope:** SB Energy uses a rounded 418 MWdc project rating.

## Metrics

- **Reported capacity:** 305.6 MW — EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- **Solar capacity:** 305.6 MWac — EIA May 2026
- **DC rating:** 422.5 MWdc — EIA May 2026
- **Company rating:** 418 MWdc — SB Energy
- **Generator records:** 2 — June · August 2021
- **Power purchasers:** 2 — LCRA · Mitsui MEMS
- **Registry anchor:** Plant 63328 — SE Juno LLC

## Facts

- **Operating capacity:** 305.6 MWac / 422.5 MWdc — EIA May 2026 · confidence: high
- **Company project rating:** 418 MWdc — SB Energy · confidence: high
- **Operating dates:** June and August 2021 — EIA May 2026 · confidence: high
- **Registered operator:** SE Juno LLC — EIA May 2026 · confidence: high

## Related parties

- **Offtaker (PPA):** Mitsui & Co. Energy Marketing & Services — Offtaker (PPA) for Juno Solar Project ([source](https://mitsui.com/))

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current generator records, capacity scopes, dates, status, operator, and technology.
- [SB Energy Juno operating announcement](https://sbenergy.com/author/charlie-adams/page/3/) — SB Energy · official — Commercial operation and long-term power-purchase counterparties.

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Canonical page: https://askthegrid.com/assets/facilities/juno-solar-project
Website: [SB Energy](https://sbenergy.com/)
Profile published: 2026-07-17T03:34:27.990Z
Source: Ask the Grid — https://askthegrid.com/