SolarOperatingERCOT

Old 300 Solar Center, LLC

Solar power plant in Fort Bend County, Texas. 430 MW of nameplate capacity across 1 generator, operated by Old 300 Solar Center, LLC.

Also known as Old 300 Solar Center · EIA plant 64133

Analyst: free account, 1 question a day.

Old 300 Storage CenterCutlass Solar IIFighting Jays Solar ProjectTexas Gulf SulphurCutlass Solar 1 LLCOld 300 Solar Center5 km
Open in the map
5 plants within 12 km, from EIA coordinates.

Key facts

Capacity
430 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
October 2024First generator online
Operator
Old 300 Solar Center, LLCEIA operator ID 63755
Grid
ERCOTBalancing authority ERCO
Price nodes
1 ERCOT nodeResource nodes with prices
Location
Fort Bend County, TX29.3335, −95.8254
EIA plant ID
64133EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Old 300 Solar Center produces

Free · EIA-923

Net generation, 2025

902 GWh

901,599 MWh, final

Capacity factor, 2025

23.9%

2024: Not reported

January to July 2026

573 GWh

Provisional

Range, 2024 to 2025

798.5–901.6

GWh a year. Low 2024, high 2025

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
2015Not reportedNot reported0 of 12
2016Not reportedNot reported0 of 12
2017Not reportedNot reported0 of 12
2018Not reportedNot reported0 of 12
2019Not reportedNot reported0 of 12
2020Not reportedNot reported0 of 12
2021Not reportedNot reported0 of 12
2022Not reportedNot reported0 of 12
2023Not reportedNot reported0 of 12
2024798,531Not reported12 of 12
2025901,59923.9%12 of 12
2026 (provisional, partial year)573,30526.2%7 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · ERCOT

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
2222Solar Photovoltaic430.0October 2024

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Old 300 Solar Center, LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Modeled curtailment

A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.

Modeled

Expected vs reported generation

Monthly modeled expected output and physical potential next to EIA-923 reported output.

Analyst and MCP

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Power plants near Old 300 Solar Center

Questions about Old 300 Solar Center

How much power does Old 300 Solar Center, LLC produce?

Old 300 Solar Center, LLC reported 901,599 MWh (902 GWh) of net generation in 2025, a 23.9% capacity factor on 430 MW of nameplate capacity. From January to July 2026 it reported 573 GWh, which is provisional.

Where is Old 300 Solar Center, LLC?

Old 300 Solar Center, LLC is in Fort Bend County, Texas, at 29.3336, −95.8254. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).

Who operates Old 300 Solar Center, LLC?

EIA-860M for August 2026 lists Old 300 Solar Center, LLC as the operator (EIA operator ID 63755). The operator is not always the owner.

When did Old 300 Solar Center, LLC start operating?

Its first generator began operating in October 2024, according to EIA-860M.

Does InfraMap have power prices for Old 300 Solar Center, LLC?

Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Old 300 Solar Center, LLC, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page