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Expert warns broad heat pump adoption could raise winter costs and stress grid resources
Summary
In PURA’s technical meeting, Bob Keane presented modeling showing heat pump adoption can sharply increase winter peak demand, capital needs and marginal costs; he recommended demand-side measures, separate residential load profiles, and caution on subsidies that could shift costs to non‑heat‑pump customers.
Bob Keane presented technical analysis warning that large-scale heat pump adoption could substantially increase New England’s winter peak and raise marginal generation costs. Keane described heat pumps as a low load factor, winter‑peaking addition whose marginal cost in some ISO studies rises much faster than load, citing an example where a 4.5% heat‑pump-driven load increase raised system costs…
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