Andrew Gabriel wrote:
In article ,
The Natural Philosopher writes:
And since the conversion efficiency of the power station and
transmission is pretty similar to the central heating boiler, no fossil
fuel savings result whatsoever.

Oh, you're miles off there. Power stations are typically between
30-40% efficient. Even an old central heating boiler is twice as
good as that, and a modern one even more so.

No they are not.

They use 'condensing' technology as well, you know.

Supercritical can be over 60%...almost no one builds less than 45% today.

Thermal efficiency is a function of combustion temperature and exhaust
temperature. I doubt that any domestic boiler has a combustion
temperature as high as a power station, or an efflux temperature as low
(30C)