Letters: Renewables alone by 2030 will not mean zero emissions but blackouts

A Letter to the Editor Of the Telegraph

SIR – As a chartered engineer who worked in the electricity supply industry for 39 years, I despair to hear politicians like Rebecca Long-Bailey claiming that renewables will provide for most of our energy needs by 2030.

Renewable generation – solar, wind and tidal – is, by definition, non-synchronous and it is technically impossible to operate our electricity transmission system solely on non-synchronous generation. There is a real danger of system instability and consequential widespread blackouts once non-synchronous generation exceeds around 30 per cent of total generation at any one time…. Read more