Texas Data Center Watch- Status
- Under construction
- Developer / parties
- Fluidstack
- Location
- Near Harlingen / Rio Hondo (unincorporated; east of FM 509, west of FM 106, near Valley International Airport), Cameron County
- Size
- First phase planned to support up to 1.5 GW (company); more than 1,100 acres (KRGV, citing company release)
- Investment
- $4B first phase (company)
- Reported benefits
- More than 2,500 construction jobs and several hundred permanent positions (company); company says it requested and received no local property tax abatements or county incentives, and Cameron County says it is not providing a tax abatement (official)
- Concerns / impacts
- Water in a water-short region: closed-loop cooling supplied by East Rio Hondo Water Supply Corporation (company); U.S. Rep. Vicente Gonzalez opposes data centers in the region until water and grid supply are assured (KRGV); Harlingen mayor says the city had no authority over the site (KRGV)
- Last verified
- 2026-10-22
Milestones
- Sep 10 2026 Cameron County issued a worksite permit (site clearing, grading, utilities, stormwater)
- county says future permits are required before building construction, and Fluidstack agreed to voluntarily comply with County Resolution No. 2026R04056 and the Governor's data center directives (Cameron County release, official)
- about a week earlier Harlingen city commissioners tabled a drainage agreement to route stormwater into a city canal (KRGV)
- Harlingen's Sep 2 2026 minutes record a unanimous vote to table the Fluidstack stormwater discharge agreement on condition Fluidstack hold an evening town hall, and a 4-1 resolution requiring commission approval for outside-city drainage connections over one acre (official)
- Fluidstack announced start of first-phase construction (company page dated Sep 21 2026; KRGV dates the release Sep 10 2026)
Linked power & water
Water
- Company claim East Rio Hondo Water Supply Corporation (cooling water): East Rio Hondo WSC, a nongovernmental supplier, will supply closed-loop cooling water (Fluidstack). fluidstack.io ↗
- News report Stormwater discharge to airport drainage canal; $7M canal widening: Fluidstack asked to discharge its stormwater into the canal draining Valley International Airport and offered to fund a $7M widening (90 ft to 180 ft); Cameron County backed a drainage interlocal with Harlingen 3-1 on Oct 6 (MyRGV). myrgv.com ↗
Related records
Harlingen agenda item 10n (Oct 21, 5:30 p.m.): interlocal drainage maintenance and flood control agreement with Cameron County; agenda does not name Fluidstack.
Source: harlingentx.api.civicclerk.com ↗MyRGV: county voted 3-1 Oct 6 for a drainage interlocal with Harlingen; $7M canal widening paid by Fluidstack for its stormwater; Harlingen votes Oct 21.
Source: myrgv.com ↗Fluidstack: construction begun on $4B first phase planned for up to 1.5 GW; closed-loop cooling; no abatements requested (company).
Source: fluidstack.io ↗Cameron County issues Fluidstack worksite permit for site work near Valley International Airport; building permits still required; no county tax abatement.
Source: cameroncountytx.gov ↗KRGV: Fluidstack starts $4B first phase on 1,100+ acres; Harlingen had tabled a canal drainage deal; Rep. Gonzalez opposes over water.
Source: krgv.com ↗Harlingen minutes: Fluidstack stormwater discharge agreement tabled unanimously pending a town hall; 4-1 resolution requires commission approval of outside-city drain connections.
Source: harlingentx.api.civicclerk.com ↗Sources
- Official record cameroncountytx.gov
- News report fluidstack.io
- News report krgv.com
- Official record harlingentx.api.civicclerk.com
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