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# Nuclear power: also heavily subsidised. (Too cheap to meter, they said... Pah!)
Solar power in the UK has potential, I reckon. You don't need much direct light, after all. Even in winter, there ought to be enough daylight to make a big difference, technology pending.

Wind power: beautiful. I'd much rather watch a field of turbines than a DRAX power station.


But... yeah.

I'd add to the list GM algae farms producing biofuels, and geothermal heat exchange.

EDIT: Ooooh, and vacuum energy. Sod the fact that it's merely hypothetical and I'm having trouble keeping sci-fi from reality. It's still infinite.
(I helped save b3ta! Enzyme is powered by sunlight, Thu 17 Jun 2010, 14:52, archived)
# Geothermal is wonderful. But is nicking energy from the Earth itself really the way to go?
(I helped save b3ta! Mu Dinofiddler, Thu 17 Jun 2010, 14:54, archived)
# There's a lot of energy there to be tapped.
The planet's core is in no danger of solidifying for as long as humanity's around.
(I helped save b3ta! Enzyme is powered by sunlight, Thu 17 Jun 2010, 14:56, archived)
# Not while we're not POURING COLD WATER INTO THE EARTH'S HEART there isn't.
(I helped save b3ta! Mu Dinofiddler, Thu 17 Jun 2010, 14:59, archived)
# Fair point.
But there'd be fewer volcanic ash clouds, so, y'know, swings and roundabouts...

:)
(I helped save b3ta! Enzyme is powered by sunlight, Thu 17 Jun 2010, 15:02, archived)
# Drop in the ocean (ho ho)
The amount of energy extracted is incredibly tiny compared to how much is down there.
(I helped save b3ta! Tribs 🦇 ↓ dn ʎɐʍ sᴉɥʇ ↓🦇, Thu 17 Jun 2010, 15:17, archived)
# They said something similar about oil.
(I helped save b3ta! Mu Dinofiddler, Thu 17 Jun 2010, 15:26, archived)
# We could certainly do some awesome stuff if we used all the earth's geothermal energy.
It mostly comes from decaying radioactive elements. I don't think the Earth is doing anything useful with it.
(_Felix 's school of dance and occult sciences, Thu 17 Jun 2010, 16:05, archived)
# prettiness is an integral part of efficiency, I find.
(I helped save b3ta! drbroon abloooobloobloo, Thu 17 Jun 2010, 14:58, archived)
# YES.
And anyone who denies this is a boring nay-sayer with a dessicated soul, or summink.
(I helped save b3ta! Enzyme is powered by sunlight, Thu 17 Jun 2010, 15:03, archived)
# wind power would be much more sensible if the turbines were out at sea really
but it's pricey, so 20-30% efficiency for the on-land ones is apparently cool with the government, because they don't have to spend much money in order to look greener.
(I helped save b3ta! drbroon abloooobloobloo, Thu 17 Jun 2010, 15:10, archived)