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.
Overview
Key fields
- 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.
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.
Structured profile
- Reported capacity
- 161 MW
Solar Photovoltaic
- Operating status
- operating
Markum Solar Farm is operating.
- Operator
- Markum Solar Farm, LLC
- Asset role
- solar
ERCOT · Bosque County
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| MKM | 161 MW 161 MW summer | Solar Photovoltaic Solar · PV | Nov 2024 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 161 MW
- National rank
- #244
- TX rank
- #89
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Nearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Land and environmental record
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Operator | Markum Solar Farm | Operator associated with Markum Solar Farm. |
| EPC contractor | Construction partner and primary contractor; Mortenson reported a ~13-month construction effort for Markum beginning in 2023. | |
| Grid selection | plant:plant-67580 | Canonical asset page /ercot/assets/plant/markum-solar-farm. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Construction StartMarkum Sola...
Construction under a partnership with Mortenson began in 2023; Mortenson reported the Markum build as a roughly 13‑month project.
- Generator enters operationEIA-860
EIA-860 lists generator MKM with this operating date.
- Commercial operation / ribbon-cuttingScout Clean...
Scout held a ribbon-cutting for the Markum Solar Farm on November 21, 2024; multiple sources report the project entered service in 2024.
Sources
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