Snowy Hydro will not produce power until end of the decade, adding more pain to energy market woes

Snowy 2.0 is more than a year behind schedule, though the delays were only recently made public. (Supplied: Snowy Hydro )

The centrepiece of the former federal government's plan to secure Australia's future energy needs has been hit with significant construction delays, meaning it will not start producing electricity until late this decade.