# Markum Solar Farm

ERCOT asset profile · https://askthegrid.com/assets/facilities/markum-solar-farm

Scout Clean Energy · Bosque County · ERCOT

Markum Solar Farm is an EIA-listed solar photovoltaic facility with 161.0 MW in Bosque County, Texas, registered as EIA Plant ID 67580 Scout Clean Energy is the current owner; Markum Solar Farm, LLC is the registered plant entity or operator. Project filings list 210,789 solar panels and 20 inverters for the facility.

## Profile

- **Grid role:** Utility-scale solar generation in ERCOT's energy-only market.
- **Context:** Scout Clean Energy’s Markum Solar Farm was the developer’s first completed utility-scale solar project (ribbon-cutting held November 21, 2024).
- **Physical build:** Ground‑mounted utility PV project in Bosque & McLennan Counties, TX. Sources state the build includes approximately 210,789 PV modules and 20 inverters; project capacity reported as 161 MWac (Scout Clean Energy) / 209 MWdc (Mortenson).
- **Financing:** No public, project-level financing parties (tax-equity investors, construction lenders, or loan amounts) for Markum were disclosed in the developer press release, construction partner materials, or the project profiles examined.

## Metrics

- **Reported capacity:** 161 MW — EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- **Technology:** Solar Photovoltaic — Primary generation technology.
- **Registry anchor:** Plant 67580 — Markum Solar Farm, LLC · Bosque County · ERCOT
- **Operating status:** Operating — Markum Solar Farm is operating.
- **Equipment:** 210,789 panels / 20 inverters — Installed equipment documented in public project records.

## Facts

- **Reported capacity:** 161 MW — Solar Photovoltaic · confidence: high
- **Operating status:** operating — Markum Solar Farm is operating. · confidence: medium
- **Operator:** Markum Solar Farm, LLC · confidence: high
- **Asset role:** solar — ERCOT · Bosque County

## Related parties

- **Operator:** Markum Solar Farm — Operator associated with Markum Solar Farm.
- **EPC contractor:** Mortenson — Construction partner and primary contractor; Mortenson reported a ~13-month construction effort for Markum beginning in 2023. ([source](https://www.mortenson.com/))

## Sources

- [notice of public hearing on the proposed designation of a](https://www.mclennan.gov/AgendaCenter/ViewFile/Agenda/_08272019-753) — mclennan.gov · regulatory — L Bar L Ranch, Bosque County Line. The land is owned by L Bar L Ranch, LP. As part of the Markum Solar Project the land has been leased by
- [March 17, 2022 Dr. Marc Faulkner Superintendent China...](https://assets.comptroller.texas.gov/ch313/1659/1659-china-markum-cert.pdf) — assets.comptroller.texas.gov · regulatory — Oct 18, 2021 — L Bar L Ranch, The land is owned by L Bar L Ranch, LP. As part of the Markum Solar Project the land has been leased by L Bar L Ranch, LP. to
- [Generators with EPS Meters](https://www.ercot.com/files/docs/2026/01/30/Generators-with-EPS-Meters.xlsx) — ercot.com · regulatory — Jan 30, 2026 — MARKUM SOLAR FARM LLC (RE), 0165795733000
- [Wind Chart](https://www.ercot.com/files/docs/2022/09/08/Capacity%20Changes%20by%20Fuel%20Type%20Charts_August_2022.xlsx) — ercot.com · regulatory — Sep 8, 2022 — 20INR0230, Markum Solar, McLennan, 45327, 44375, Solar, PV, 161, 2024, Yes
- [News - Scout Hosts Ribbon Cutting for First Solar Project](https://www.scoutcleanenergy.com/news/scout-clean-energy-hosts-a-ribbon-cutting-to-celebrate-the-firms-first-operational-solar-energy-project) — scoutcleanenergy.com · other — Scout is currently developing a pipeline of approximately 19,000 megawatts of wind, solar, and storage projects across 25 states. Scout is a portfolio company managed by Brookfield Asset Management, which acquired Scout in 2022.

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Canonical page: https://askthegrid.com/assets/facilities/markum-solar-farm
Website: [Scout Clean Energy](https://www.scoutcleanenergy.com/case-studies/markum)
Profile published: 2026-07-17T03:34:32.710Z
Source: Ask the Grid — https://askthegrid.com/