Countries with more smart meters sell more heat pumps.
Correlation is not perfect, but the formula holds across 20 European countries. Norway leads in heat‑pump sales with almost universal smart‑meter coverage, while the United Kingdom lags significantly despite 62% coverage.
Of course there are many other factors and correlation does not imply causation. Smart meters are important for heat pumps for a simple reason: time‑of‑use tariffs allow operating a heat pump more cheaply if it is run intelligently. Without smart metering this price signal does not reach the consumer. The financial argument for switching to a heat pump weakens.
Germany and the Czech Republic have almost no smart meters and are among the countries with the lowest heat‑pump sales. Finland, Sweden and Norway have almost full coverage and a five‑ to eight‑fold higher sales rate.
The analysis comes from a recent article with Jaap Burger in the Electricity Journal:
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