How big is Markum Solar Farm?

Markum Solar Farm reports 161 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is Markum Solar Farm?

Markum Solar Farm is a Solar Photovoltaic facility in Bosque County, TX, participating in the ERCOT market.

Where is Markum Solar Farm located?

Markum Solar Farm is in Bosque County, TX, inside the ERCOT balancing area.

Who operates Markum Solar Farm?

Markum Solar Farm is operated by Markum Solar Farm, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Markum Solar Farm generate?

Markum Solar Farm reported 368.5 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does Markum Solar Farm compare to other plants?

By capacity, Markum Solar Farm ranks #261 of 7,597 operating plants of the same technology nationally. It ranks #95 of 242 in TX.

Markum Solar Farm — 161 MW solar farm, Bosque County, TX

Ask the Grid

Create free workspace

Ask the Grid

Create free workspace

Markum Solar Farm — 161 MW solar farm, Bosque County, TX · Ask the Grid

Generation and physical site

EIA plant 67580 · Inventory for Sep 2026.

Reported operating nameplate by technology

Solar: 161 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for Markum Solar Farm
Generator	Technology	Status	Power (MW)	Energy (MWh)
MKM	Solar Photovoltaic	Operating	161	Unknown

Physical map location · OpenStreetMap: 31.69255, -97.38007
Filed location · EIA: 31.69479, -97.37488

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Jan 13, 2026
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Overview

Overview

Explore related directories

Explore related directories

Infrastructure record

Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

Related assets

BPL Files Solar

Midpoint Solar, LLC

Big Elm Solar

Elm Branch Solar 1

Orion I Solar Project

Briar Creek Solar 1

Units and generators

Performance

Peer context

Monthly generation

ERCOT disclosed dispatch

Generation

Output by hourlocal time · 90 days through Aug 27, 2026

Latest disclosed outputhourly · 2 weeks ending Aug 27, 2026

Settlement price economics

Grid and market context

Market registration

Operating context

Nearby substations

Commercial, land, and environmental record

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Markum Solar Farm