RE: Pole Position?3 Mar 2023 11:00
Arthur, I think the point is that we shouldn't simply dump coal, gas and nuclear. But we also shouldn't be building more of that either. We should continue to scale up renewables and storage, which will take a few decades, and transition steadily.
There is vast scope for domestic solar and storage, but the current model is a bit weak. Currently there is only a minority of households that can justify paying up front for something that is tied to the home and requires a multi-year payback. Typically only affluent households, that own their own home, are not considering moving home for many years, and are not considering dying for many years, can justify the up front expense. Energy companies need to find a new model. For example, they could 'borrow' your roofspace in exchange for a discounted electricity bill, and aim to install solar on all homes and install a 1MWh storage battery at the end of each street.
Continued expansion of wind (and the introduction of hydrogen conversion of the excess) will slowly replace the rest of the electricity generators. But we shouldn't be afraid to fire up the gas generators (or even coal) where it's a short term necessity, cold snap, reduced winter sun, low wind, and our hydrogen storage has run low. I think it's important to accept that the long term target is nett zero, not absolute zero. But to reduce the need to switch on the fossil generators we would also be importing green hydrogen from the desert regions, once established.