This record consolidates 26 research observations while retaining source distinctions, location precision and unresolved fields.
| Operator / developer | NOT_FOUND |
|---|---|
| Jurisdiction | Harlingen, TX |
| Address | NOT_FOUND |
| Location precision | parcel or bounded site |
| Coordinates | Not published; no coordinate inferred |
| Capacity | 2000 MW |
| Aliases | Eneus Energy RGV Data Center (Harlingen) · RGV Data Center campus east/northeast of Valley International Airport · RGV Data Center · Eneus Harlingen project |
| Project profile | 0 rows |
|---|---|
| Intent / permits | 0 rows |
| Civic / infrastructure | 2 rows |
Up to 16 data halls / 2 GW. Two additional unnamed firms were reported in pre-permitting talks with Cameron County as of May 2026 (see separate discovery-lead record).
Key data: NOT_FOUND | ERCOT (South / Lower Rio Grande Valley) | Harlingen WaterWorks System | NOT_FOUND
Claim classification: Not yet assigned
Status date: 2026-09-05
Developer: Eneus Energy | Owner: Land under contract from Stone Brothers (Raymondville); project entity RGV Property Group, LLC / RGV Property LLC (Overland Park, KS) | Property entity: RGV Property Group, LLC | Permit applicant: RGV Property LLC (SVP Dominic Serpe letter to PUCT) | County: Cameron | Research region: East Texas / South Texas-RGV / Statewide Rural Gap Pass
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Grid area: ERCOT (South / Lower Rio Grande Valley) | Gross MW: 2000 | Requested load MW: 2000 | Transmission: Planned 765 kV transmission line
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Water utility: Harlingen WaterWorks System | Water source: Reclaimed municipal wastewater effluent | Water demand: Up to 4.6 million gallons per day of effluent at $0.75 per 1,000 gallons (~$1.2 million/year) | Cooling: closed-cycle cooling using reclaimed wastewater | Wastewater: Uses Harlingen WaterWorks treated effluent as cooling supply
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Jurisdictions: City of Harlingen (120-day moratorium and environmental impact study) | Cameron County (pre-permitting talks; no abatements offered) | PUCT | Harlingen WaterWorks System
Claim classification: Not yet assigned
Status date: 2026-09-05
Harlingen 120-day moratorium plus environmental impact study
Claim classification: Not yet assigned
Status date: 2026-09-05
Cameron County declines to offer tax abatements
Claim classification: Not yet assigned
Status date: 2026-09-05
Effluent reuse avoids potable draw but diverts up to 4.6 MGD of reclaimed water
Claim classification: Not yet assigned
Status date: 2026-09-05
Environmental impact study required by city
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Surrounding infrastructure: Nine metro fiber providers within 10 miles
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Surrounding infrastructure: Valley International Airport adjacency
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Surrounding infrastructure: Planned 765 kV line
Claim classification: Not yet assigned
Status date: 2026-09-05
Mangum Economics impact study prepared for the project
Claim classification: Not yet assigned
Status date: 2025-08-04
Records reveal UK-based Eneus Energy plans massive Harlingen data center
Claim classification: Not yet assigned
Status date: 2025-11-25
Cameron County considering data center near Harlingen airport; 1,780 acres in county records
Claim classification: Not yet assigned
Status date: 2026-01-13
Land purchase deadline under contract with Stone Brothers
Claim classification: Not yet assigned
Status date: 2026-04
Harlingen sets 120-day moratorium as two data centers show interest in the county
Claim classification: Not yet assigned
Status date: 2026-05-20
The project is planned for up to 2 GW across 16 data halls with more than $14 billion of capital expenditure.
Key data: Up to 2,000 MW; 16 data halls; $14B+
Claim classification: reported_fact · Verification: corroborated_two_sources · Retrieved: 2026-09-05
Status date: 2025-11-25
Limitation: No interconnection agreement documented.
Records identify RGV Property Group, LLC / RGV Property LLC of Overland Park, Kansas as the project entity, with CEO Roberto Serrano and SVP Dominic Serpe writing to the PUCT; land is under contract from Stone Brothers of Raymondville.
Key data: RGV Property Group, LLC; Stone Brothers land contract
Claim classification: records_based_reporting · Verification: single_source · Retrieved: 2026-09-05
Status date: 2025-11-25
Limitation: PUCT docket number not retrieved this session.
The site covers roughly 1,785 acres east and northeast of Valley International Airport, listed as 1,780 acres in county records.
Key data: 1,785 acres (1,780 in county records)
Claim classification: reported_fact · Verification: corroborated_two_sources · Retrieved: 2026-09-05
Status date: 2026-01-13
Limitation: No parcel IDs published.
An agreement with Harlingen WaterWorks provides up to 4.6 million gallons per day of treated effluent at $0.75 per 1,000 gallons, roughly $1.2 million per year.
Key data: Up to 4.6 MGD effluent at $0.75/1,000 gal (~$1.2M/yr)
Claim classification: records_based_reporting · Verification: single_source · Retrieved: 2026-09-05
Status date: 2025-11-25
Limitation: Executed contract not fetched directly.
The design uses closed-cycle cooling supplied with reclaimed wastewater rather than potable water.
Key data: Closed-cycle cooling on reclaimed effluent
Claim classification: developer_claim · Verification: corroborated_two_sources · Retrieved: 2026-09-05
Status date: 2025-11-25
A 765 kV transmission line is planned to serve the campus.
Key data: Planned 765 kV line
Claim classification: developer_claim · Verification: single_source · Retrieved: 2026-09-05
Status date: 2025-11-25
Limitation: No PUCT CCN docket retrieved.
Harlingen set a 120-day moratorium on May 20, 2026 and required an environmental impact study, while two data center firms showed interest in the county.
Key data: 120-day moratorium set 2026-05-20
Claim classification: reported_fact · Verification: single_source · Retrieved: 2026-09-05
Status date: 2026-05-20
Limitation: Moratorium expiry and outcome not documented.
A Mangum Economics impact study dated August 4, 2025 supported the project, which is presented as about 1,000 jobs including roughly 360 data center positions; Cameron County said it would not offer abatements.
Key data: ~1,000 jobs (360 DC); Mangum Economics study 2025-08-04
Claim classification: reported_fact · Verification: corroborated_two_sources · Retrieved: 2026-09-05
Status date: 2026-01-13
Limitation: Study not fetched directly.
Nine metro fiber providers are within 10 miles of the site.
Key data: 9 metro fiber providers within 10 miles
Claim classification: developer_claim · Verification: single_source · Retrieved: 2026-09-05