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Council approves interruptible service agreement, amends Fortitude lease noise limits
Summary
Grand Island approved an interruptible-service rate agreement and an amendment to the land lease for Fortitude Mining’s 12 MW facility, after staff emphasized the site uses no city water, carries contractual noise limits based on a third‑party study, and the facility is designed to be interrupted during peak load.
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The Grand Island City Council voted to approve an interruptible service rate agreement for Fortitude Mining’s proposed 12 megawatt facility and to adopt an amendment aligning lease noise thresholds with measured ambient levels.
City Administrator Patrick Brown framed the project as small and interruptible compared with regional data centers, saying the Grand Island site “uses no city water. It uses no ground water. It discharges no waste water” and “does not increase the peak energy obligations of the city,” meaning the utility should not have to build new generation to serve it.
Utility staff and the company representative also emphasized protections in the lease. Staff pointed to a 14‑day third‑party sound analysis and a contractual requirement that the company “cannot increase the noise at any adjacent property line.” If post‑construction measurements show the facility raises sound levels above that adjusted baseline, the company must mitigate or go offline.
Council spending-level and fiscal questions followed. When Council Member Nickerson asked how large the utility bills would be, a staff speaker, Ryan, said the monthly bill “should range in the four to $450,000 a month.” Brown told the council Fortitude’s presence should exert a downward pressure on the city’s power cost adjustment and estimated roughly $1 million per year of net utility benefit plus additional municipal revenue (lease payments and sales tax).
Council members pressed for operational detail about when the city could interrupt the facility. Staff said historical modeling suggests an interruption window of “60 to 100 hours a year” in a typical year, and that the contract includes both pricing signals and penalties to incentivize the company to comply with interruption notices.
Both measures passed. The council approved the interruptible service agreement (motion: “I move we approve 2026 TAC 156,” moved by City Administrator Patrick Brown and seconded by Council president O’Neil) and later adopted an amendment to the Fortitude land lease that aligns contractual noise thresholds with the pre‑existing ambient levels measured in the third‑party study (motion adopted). The city will require the company to retest ambient sound after the facility is operational and to mitigate operations if readings exceed the contractual limits.
The council directed staff to enforce the contract terms and to ensure the company’s mitigation and interruption mechanisms are operational before commercial service begins. No formal fiscal appropriation was required at this meeting; council members said they still expect to review operating revenue projections as the utility finalizes tariff details.

