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Explore databasesTexas solar farms continue to reshape the state’s generation mix faster than anywhere else in the country. Abundant land, competitive ERCOT interconnection, and an energy-only market that rewards efficiency have drawn developers from around the globe. As coal units retire, former plant sites now host large-scale photovoltaic arrays paired with battery energy storage systems (BESS). Institutional capital—pension funds, infrastructure investors, and private equity—is pouring into these utility-scale assets, making Texas a multi-gigawatt destination for solar investment. This directory profiles the largest operational projects as of 2026, with ownership, capacity, and pipeline data for investors, analysts, and energy professionals.
Texas Solar Market in 2026
The state’s solar expansion isn’t slowing down. Year after year, Texas adds more utility-scale capacity than any other state, driven by a combination of geography, market design, and developer appetite.
Why Texas Leads in Utility-Scale Solar
Several forces converge here:
- Land and irradiance: West and South Texas offer flat, affordable acreage with some of the highest solar resource in the U.S.
- ERCOT’s energy-only structure: Unlike capacity markets elsewhere, ERCOT’s design allows renewables to compete on price and speed, lowering barriers to entry.
- Transmission backbone: Competitive Renewable Energy Zones (CREZ) lines built over a decade ago carry renewable power from the Panhandle and West Texas to load centers.
- Coal retirements: Replacing retiring thermal units with solar-plus-storage is both economic and practical, often using existing substation infrastructure.
- Institutional money: Infrastructure funds and overseas investors view merchant-exposed Texas PV as a high-upside addition to their portfolios.
ERCOT Interconnection Nuances
Getting a project online isn’t frictionless. The 20% rule—which can cap solar injection at 20% of peak load on a distribution feeder—forces developers to site carefully. Increasingly, they co-locate battery storage to avoid curtailment and strengthen their queue positions. A common mistake is assuming that a signed interconnection agreement guarantees timely delivery; network upgrade costs and congestion studies can delay commercial operations by 12–18 months. Savvy developers model multiple scenarios and secure storage capacity to hedge against these risks.
Statewide Solar Snapshot
More than 200 utility-scale solar installations are operating across Texas, with dozens more under active construction and hundreds in the planning pipeline. Together they supply a rising portion of the ERCOT load, aided by strong capacity factors and a network that connects remote generation to major cities.
Project Scale and Technology
Modern projects typically use single-axis trackers that boost energy yield 20–25% over fixed-tilt systems. Co-located battery systems now range from 2-hour to 4-hour durations, optimizing dispatch during peak evening ramps. A practical rule of thumb: each megawatt of alternating current (MWac) requires about 5–7 acres, depending on panel efficiency and layout.
| Metric | Typical Range |
|---|---|
| Land use per MWac | 5–7 acres |
| Annual capacity factor | 25–30% (tracking systems) |
| DC/AC ratio | 1.2–1.4 (overbuild ratio) |
| BESS duration | 2–4 hours (new projects) |
These numbers help landowners and investors quickly benchmark a project’s footprint and performance.
Top 10 Utility-Scale Solar Projects
The largest operational solar sites in the state include projects backed by global energy groups, independent power producers, and infrastructure funds. Each is a utility-scale photovoltaic installation, many secured by long-term power purchase agreements (PPAs) with corporate or utility offtakers. Below is a representative entry from the top 10.
| Rank | Project Name | Capacity (MWac) | County | Owner/Developer | Status | Storage (MW) |
|---|---|---|---|---|---|---|
| 1 | Roadrunner Solar Farm | 497 | Upton | Ørsted | Operational | 200 |
Roadrunner Solar Farm – 497 MWac, Upton County. Ørsted brought the project online in 2023, pairing it with a 200 MW battery energy storage system behind the meter. The site uses single-axis tracking technology and a corporate PPA that secures a substantial block of solar-plus-storage output for West Texas.
The complete top 10 ranking, including direct-current capacity (MWdc), commissioning dates, offtaker arrangements, and tracking specifications, is available in the downloadable database.
When comparing projects, look beyond nameplate capacity. The DC/AC ratio, tracking technology, and battery duration reveal true energy delivery. For example, a 500 MWac project with a 1.3 DC/AC ratio and 4-hour storage can deliver significantly more usable energy than one with a 1.1 ratio and no battery. This distinction matters for revenue modeling in a merchant-heavy market.
The Development Pipeline: Operating vs. Planned
Texas’s interconnection queue holds one of the largest project backlogs in the world. Dozens of gigawatt-scale photovoltaic projects have secured interconnection agreements, and many will eclipse today’s operational leaders once they reach commercial operation.
Interconnection Queue Dynamics
A frequent oversight is counting every queued megawatt as certainly forthcoming. In practice, network upgrade costs, community opposition, and siting challenges cause many projects to drop out. The pipeline splits roughly as follows (estimates as of early 2026):
| Status | Capacity (GWac) | Project Count |
|---|---|---|
| Operational | 25+ | 200+ |
| Under construction | 12–15 | ~30 |
| Planned / in queue | 80+ | 150+ |
Hybrid solar-plus-storage facilities, repowering of older sites, and brownfield revitalizations on former industrial land are defining the next wave. Co-locating batteries not only curbs curtailment but also opens ancillary service revenue streams, improving project economics even when PPA prices soften.
Investment Landscape and Financial Considerations
Corporate PPAs remain the backbone of Texas solar finance. Recent average PPA price trends reflect competitive auction dynamics and falling module costs; deals signed in 2025–2026 often land below $30/MWh. Many sponsors layer revenue from energy sales, ancillary services, and capacity-like storage value to enhance yield and mitigate merchant power exposure.
Decision Rule for Investors
If you’re evaluating a merchant-exposed project, start by stress-testing future power price scenarios and battery dispatch revenues. In ERCOT’s energy-only market, a project’s merchant tail—the revenue earned after the PPA expires—can rival or surpass contracted income, but it also introduces volatility. Avoid the mistake of assuming ancillary service income will persist at today’s elevated levels; battery saturation is reshaping those markets.
Landowner Lease Insights
Per-acre lease payments for utility-scale solar installations typically range from $1,000 to $3,000 annually. West Texas sites often fall toward the lower end of the range because of longer interconnection distances and lower land values, while parcels closer to the Houston or Dallas load zones can command premiums. Expert nuance: compare the developer’s queue position and termination clauses before signing; a project that’s 3 years from interconnecting may tie up your land with little near-term income.
Frequently Asked Questions
How many solar farms are there in Texas?
Over 200 utility-scale solar installations are operating in Texas, with dozens more under active construction and many more in the planning pipeline.
Where is the biggest solar farm in Texas?
The largest operational photovoltaic project is Roadrunner Solar Farm in Upton County, with 497 MWac of capacity and a co-located 200 MW battery storage system.
How much money does a 1-acre solar farm make?
A 1-acre solar installation in Texas can generate roughly $1,000 to $3,000 annually in lease payments or energy revenue, depending on irradiance, PPA rates, and interconnection costs.
What is the 20% rule for solar?
In ERCOT territory, a distribution feeder’s solar injection can be capped at 20% of peak load. This rule influences project siting, interconnection design, and curtailment risk—developers often add storage to work around it.
What is the total installed solar capacity in Texas?
As of early 2026, Texas’s utility-scale solar fleet exceeds 25 GWac, making it the nation’s second-largest solar state. The interconnection queue holds another 80+ GW of planned capacity, though not all of it will reach commercial operation.
Further Resources
Download our complete Texas solar farms database to access the full directory of operational, under-construction, and planned utility-scale projects, including detailed capacity, ownership, PPAs, and co-located storage data.
