Engineers warn of bill shock under green energy surge

Electricity bills will soar and gas and coal-fired power stations will close if the share of wind and solar generation increases dramat­ically, engineers have warned after analysing the nation’s ­energy supply.

The analysis casts doubt on Labor’s claim that a 50 per cent renewable energy target — the centrepiece of the opposition’s climate change policy — would reduce electricity prices.

It found bills were likely to soar 84 per cent, or about $1400 a year, for the typical household, if wind