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GMP engineers tell House committee Vermont can host data centers but size and location matter
Summary
Green Mountain Power told the House Energy committee that properly sited data centers (modeled at roughly 50–200 MW in southern transmission areas) can reduce per-customer rate need if interconnection upgrades are paid by the connecting customer; GMP cautioned ISO and permitting reviews govern larger connections.
Green Mountain Power engineers told the House Energy Digital Infrastructure Committee on Feb. 11 that Vermont could accommodate data-center electricity demands at certain southern transmission nodes — but size and location are decisive.
Cam Toro, a system planning engineer at Green Mountain Power, said GMP ran incremental tests, adding load in 10‑megawatt steps at five statewide sites using ISO-New England transmission modeling. "With the correct size and the correct location, these data centers can be kind of a net benefit for costs on the electric system," Toro said, describing a tested envelope of roughly 50 to 200 megawatts where connections to the 115 kV bulk system remain feasible before major upgrades are required.
Why it matters: GMP and the…
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