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Council hears data‑center briefing: staff says water use is small; electricity and transmission issues need state coordination
Summary
City staff and Garland Power & Light told council that local data centers account for a small share of the city's water demand (largely from irrigation) and that GPNL uses tariffs and security postings to mitigate financial risk, while ERCOT's long‑term load forecasts and a new "batch 0" interconnection process are reshaping how large loads are evaluated.
Assistant City Manager Crystal Owens presented staff findings that Garland data centers are not a major driver of city water demand, noting that some measured meters include irrigation and landscaping demands. "City Of Garland data centers are not a significant driver of overall water demand," Owens said, and staff showed annual water‑use estimates with the biggest single commercial water user far exceeding data‑center irrigation totals.
Daryl Klein, general manager of Garland Power and Light, walked council through electric demand and tariffs for large loads. He said GP&L currently serves a mix of existing and proposed data‑center demand, with a tariff that applies to customers at least 20 megawatts and contractual protections including security postings and mark‑to‑market adjustments. Klein put the city's 2025 peak at about 506 megawatts and described proposed maximum demands that could grow GP&L capacity needs significantly, while noting ERCOT's new batch‑analysis process to avoid double‑counting developer load forecasts.
During public comment James Cook, who identified himself as a possible future AI data‑center developer, urged transparency and outlined potential healthcare research uses for de‑identified medical imaging data, calling for clear disclosure about resources and community impacts. Councilmembers asked about rate effects on residents, what costs might be socialized for transmission upgrades, and ERCOT's role in approving large interconnections. Staff recommended continuing dialogue and scheduled follow‑up technical presentations and public hearings.
