>But they purchase Renewable Energy Certificates to offset >their use of non-renewable energy, so they can make the >claim that their net consumption of non-r

>But they purchase Renewable Energy Certificates to offset >their use of non-renewable energy, so they can make the >claim that their net consumption of non-renewable > electricity is negative. Yes, or than can get a (or create ;)) a power consumption plan. I mean in Germany there are various plans like they exist for telecommunication providers. Of course the power is in part nuclear, from coal etc. but as you say the net consumption can be 0. Greenpeace Energy has as far as I know the most progressive interpretation of that as they make sure new power plants are built.