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> Its just drilling a hole and making electricity from the heat

District heating does not involve making electricity.

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Sometimes district heating and electricity generation does combine though:

> Wärtsilä’s combined power generation and heat recovery plant offering comprises solutions for combined heat and power (CHP) including dynamic district heating (DDH), district cooling and power (DCAP) and trigeneration for applications that require both heating and cooling.

https://www.wartsila.com/energy/engine-power-plant-solutions...

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Not always, but as the sibling noted, there are plenty of combined heat and power plants. They recover as much of the energy as possible from the exhaust gas streams and run pretty efficiently.
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The “new” way is plasma drilling.
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That's still a science project, they are piloting zapping a small hole to 100m. Very uncertain whether it will amount to anything.
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>>Sure you do. Think about it. Its just drilling a hole and making electricity from the heat

...what? What does that have to do with district heating? The one in Poland is coal fired, the one in the UK is electric.

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