[geo] Re: Public perceptions paper

2011-08-24 Thread Oliver Tickell
This CF question is actually quite complex. You can have a CF of 0.7 for a nuke but actually that's because it's working 70% of the time and for 30% it is broken or undergoing maintenance (often for longish periods of days / weeks / months). A CCGT with a CF of 0.7 would most likely be

[geo] Re: Public perceptions paper

2011-08-23 Thread Stephen Salter
Oliver Actual output for nuclear is typically around 0.7 but the carbon debt was all incurred before operation and turning them off does not reduce it. The carbon for the plant is all released before operation and if this is delayed we may ask if there is a carbon equivalent of interest.