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Simon Waters wrote: > Adrian Midgley wrote: > >> Hinckley Point doesn't generate carbon dioxide... >> > > I see they aren't closing it in 2011 -- hmm. > > Since closing the reactor at the reprocessing plant, we are burning > fossil fuels to make fuel rods for nuclear reactors, although I'm sure > the nuclear lobby would argue it generates more electricity than is used > in production, That lobby argues that rods last a long time and are just another bit of fabrication. > I didn't think pump storage was terribly efficient, I thought the main > benefit is it can start quick to meet peaks in demand?! > > Yes. Efficiency doesn't matter if you have surplus power from the wind at a given time, and continuity is of the utmost essence. > Most of the big man made lakes on Dartmoor seem to have our drinking > water in, and you probably shouldn't use those, then again...... > > the working fluid in Llanberis is heavily salted to deal with cold conditions. > > Hmm, me I'd have pushed to develop fusion faster, rather than political > bickering over where to put the research plants, and whether to spend > money on it etc etc. > New technology. The outcome appears uncertain, both fusion and a geostationary tower are attractive, but may be impossible. > Finally got around this weekend to sticking compact fluorescent bulbs in > the few places the "long" compact fluorescent bulbs don't fit in the > house. Some folks still haven't got the message that these bulbs pay for > themselves within a very reasonable time scale (especially at the > 98pence per bulb B&Q charge), so it is daft not to use them where they > work/fit. > > I use LED lights in a few places. Less bright but more efficient, and come in GU10 fittings. > Some decisions are non-obvious - for example gas heating is slightly > better than electric, which seems very counter intuitive to me, given > that some electricity is nuclear or renewable, but gas heating is that > much more efficient. > > I think perhaps lobbying the supermarkets not to stock the old style > incandescent light bulbs is the way forward on lighting. > > Good idea. -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html