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As you say, hydro makes for fairly cheap electricity. Though here in Norway at least, exports have caused prices to rise quite a bit. You can see the current price here[1] in EUR/MWh, so divide by 10 to get (Euro)cents per kWh.

The main driver to get people onto heat pumps has mainly been just lowering electricity bill. You get up to 5x more heat per kWh, so it has a significant impact. We've also just banned oil burners[2], though not too many had those.

Water heating is primarily done using electricity, using a water heater like this[3].

In some places, especially in cities, there might be district heating where the heat and/or hot water comes from a central. In my previous place that was due to a waste plant burning trash. They filter a lot of stuff but not CO2, however the other one in the city will be getting CO2 filtering now[4] after a financial go-ahead this year from the government.

[1]: https://www.nordpoolgroup.com/Market-data1/#/nordic/table (e.g. Oslo)

[2]: https://www.regjeringen.no/no/aktuelt/forbud-mot-oljefyr--ti...

[3]: https://www.osohotwater.com/en/domestic/saga

[4]: https://www.fortum.com/media/2018/11/full-scale-carbon-captu...



Thanks for the reply! Interesting stuff and an inspiration of how it could be :)




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