The problem with this line of argument is that there's no single "price for electricity". Either it's dirt-cheap when oversupplied, or eye-wateringly expensive

The problem with this line of argument is that there's no single "price for electricity". Either it's dirt-cheap when oversupplied, or eye-wateringly expensive when undersupplied. Within the past two months, spot price ranged from 3 cents to 1500 cents. Renewables push down the cost when the price is already low, and do nothing when the price is high