Construction costs are currently skyrocketing

And most of the time the price is linked to the gas price, so in today's times possibly also an argument against it.

However, there are also regional private local heating networks where each customer can – or must – acquire shareholder shares. This usually works quite well but is hardly worthwhile for new buildings. It is more feasible for existing buildings.

There are also regional private local heating networks,

Unfortunately, these often run on wood and therefore have an expiration date. These are concepts for large cities with few pipes serving many people. That fits.

This belongs to 15 farmers who process 35 tons of biomass there daily... Politically very much welcomed here :/

Unfortunately, they often run on wood and therefore also have an expiration date.

These are concepts for big cities with little infrastructure for many people. That fits.

For us, rather biogas power generation and heat as a by-product.
Be that as it may, every now and then looking left and right helps. The egg-laying wool-milk-sow does not exist.

This belongs to 15 farmers who process 35 tons of biomass there daily... Politically very much welcome here :/

Try talking personally on equal footing with one of the operators about what he thinks will happen in 10 years.
But it is also clear: if oil becomes more expensive, biomass production will also become more expensive - as will electricity.

You can simply install 2 empty conduits and a 5x2.5 cable for the system.
Then you can switch to an air-water heat pump anytime without major reconstruction.