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Starr County, Texas: solar, wind, and storage permits

Contacts checked 2026-09-26 · From official state and federal directories

Who to call and what to check for a solar, wind, or battery storage project in Starr County. Texas has no statewide siting permit for solar or wind, so the key contacts are the appraisal district, state environmental offices, the grid operator, and the county itself.

Who handles property records and taxes in Starr County?

The Starr County appraisal district keeps parcel records and decides agricultural or wildlife valuation, which a solar or storage lease can end, triggering rollback taxes. The Texas Comptroller lists the district's and the county tax office's phone, email, address, and website, plus local taxing districts such as groundwater conservation districts.

Starr County directory (Texas Comptroller)Lease rates and rollback taxes

Which TCEQ office covers Starr County?

TCEQ Region 15, Harlingen
1804 W Jefferson Ave, Harlingen TX 78550-5247
Main line: 956-425-6010 · Spills, 24 hours: 800-832-8224

Construction that disturbs 1 acre or more needs coverage under TCEQ's Construction General Permit (TXR150000) and a stormwater pollution prevention plan.

TCEQ region directoryConstruction stormwater permit

Does Starr County have zoning or a solar permit?

Texas counties generally do not have zoning authority, and the state has no siting permit for solar or wind generation. Projects are usually shaped instead by site control, road use agreements with the county, tax agreements, and utility interconnection. If the county takes part in FEMA's flood insurance program, its floodplain administrator issues development permits in mapped flood zones. Ask the county judge's office or commissioners court about road use and any local requirements.

What energy projects are proposed in Starr County?

ERCOT's August 2026 interconnection report lists 20 proposed energy projects in Starr County (7 solar, 4 wind and 9 battery storage), about 4,265 MW in all. 8 of the 20 have a signed interconnection agreement, and 2 have been energized or approved to connect.

Got an offer? Check whether the company or project appears here. A listing means a developer asked ERCOT to study connecting it to the grid; many listed projects are never built, and projects further along are more likely to proceed.

Scroll the table sideways to see every column.

Project and connection pointDeveloperTypeMWProjected in serviceStage
Starr Solar Ranch8795 Roma 138kVStarr Solar Ranch 1 LLCSolar136.7Aug 2025Approved to connect
Mesteno Wind80355 Del Sol 345kVMesteno Windpower, LLCWind201.6Mar 2027Approved to connect
Diamondback solar80355 Del Sol 345kVDiamondback Solar, LLCSolar203.8May 2028Signed; security posted
Bullring Wind 1Tap 345 kV 80355 DelSol7A - 80079 Cruce Ckt 1Halcon Wind, LLCWind303.5Jun 2028Signed; security posted
Bullring Wind 2Tap 345 kV 80355 DelSol7A - 80079 Cruce Ckt 1Halcon Wind, LLCWind303.8Jun 2028Signed; security posted
Bullring Wind 3Tap 345 kV 80355 DelSol7A - 80079 Cruce Ckt 1Halcon Wind, LLCWind190.4Jun 2028Signed; security posted
Bordertown BESS8796 Roma 138kVBordertown BESS LLCBattery storage (stand-alone)100.0Dec 2028Signed; security posted
Half Moon Solar#80231 Pronto 345kVNextEra Energy Interconnection Holdings, LLCSolar512.5Jul 2029Signed; security posted
Starr Storage8795 Roma 138kVFalcon Lake Storage, LLCBattery storage (paired with solar)Self-limitingMar 2028In study
Halcon StorageTap 138kV 8957 Central Lopeno - 80106 Falcon DamTX BESS A LLCBattery storage (stand-alone)132.7May 2028In study
PSE Flores TX StorageTAP 138KV 8793 RIO GRANDE CITY - 8798 LAGRULLAPureSky Development IncBattery storage (stand-alone)200.0Jun 2028In study
PSE Gongora Hill TX StorageTap 138kV 8796 Roma – 7870 EscobaresPureSky Development IncBattery storage (stand-alone)200.0Jun 2028In study
Fierce River BESSTapping the 345 kV Line from Del Sol (Bus# 80355) to Frontera (Bus#...Rio Grande Solar LLCBattery storage (stand-alone)284.5Feb 2029In study
Sword BESSTap 138 kV 8394 Liston - 8392 BatesHidalgo Solar LLCBattery storage (paired with solar)40.1Feb 2029In study
Sword SolarTap 138 kV 8394 Liston - 8392 BatesHidalgo Solar LLCSolar137.2Feb 2029In study
Muy Grande SolarTap 345kV 80079 Cruce - 80355 Del SolACE DevCo NC, LLCSolar502.7May 2029In study
Mandolin Solar II SLFTap 345kV 80355 Del Sol - 80227 RapidoMandolin Energy Center II, LLCSolar304.4Jun 2029In study
Mandolin Solar SLFTap 345kV 80355 Del Sol - 80227 RapidoMandolin Energy Center I, LLCSolar300.0Jun 2029In study
Mandolin Storage SLFTap 345kV 80355 Del Sol - 80227 RapidoMandolin Energy Center I, LLCBattery storage (paired with solar)Self-limitingJun 2029In study
Bessie StorageCharly Egner Substation Tap 345kV 80355 Del Sol - 80368 LV4 BridgeBessie Energy Storage, LLCBattery storage (stand-alone)210.8Sep 2029In study

Stage: In study means ERCOT is still studying the connection; Signed means the interconnection agreement is signed; security posted means the developer has also posted financial security and a notice to proceed; Energized and Approved to connect mean ERCOT has approved the project to energize or synchronize with the grid. "Self-limiting" batteries are reported as 0 MW because they are sized below the site's total capacity. Source: ERCOT Generator Interconnection Status (GIS) Report, August 2026. ERCOT prepares this report for planning purposes from data entered by developers and transmission providers, and notes it may contain errors or be out of date.

Where are the flood maps for Starr County?

FEMA flood maps for Starr County

How does a project here connect to the grid?

Most of Texas is on the ERCOT grid, but parts of the Panhandle and northeast Texas are in SPP, parts of east Texas are in MISO, and El Paso is in the western grid. The serving utility decides which process applies.

Interconnection by market and utilityERCOT resource integration

What state and federal reviews can apply?

Depending on the site: wetland permits from the U.S. Army Corps of Engineers, endangered species review through U.S. Fish and Wildlife, historic review through the Texas Historical Commission, wildlife comments from Texas Parks and Wildlife, and FAA notice for tall structures like wind turbines.

Statewide and federal contactsTexas decommissioning law

Check a specific property in Starr County

Get a free land report for any point: flood zone, wetlands, nearest power line, soils, and parcel acreage.

Open Quicksand Check

Other counties served by TCEQ Region 15

Brooks · Cameron · Hidalgo · Jim Hogg · Kenedy · Willacy

Check before you file. Contacts come from official directories and can change. Confirm fees, forms, and deadlines with the agency. General information, not legal advice. Found an error? Let us know.