Coal-fired generation is in the news again, as Great Britain experiences over 50 hours without any coal-fired power stations. This week’s Chart of the week we look at the key-value benchmark ‘clean dark spread’.
The clean dark spread is the notional profit from selling power and buying coal and carbon for an average station. The average dark spread for the winter just gone was just £5/MWh. Moreover for much of October and January value was negligible.