The investment case for new wind and solar generation is “tricky” and AGL Energy will instead focus on hydro, gas and batteries, chief operating officer Markus Brokhof says.

Speaking a day after rival electricity utility group Origin Energy outlined a strategy that would minimise its solar and wind asset ownership and focus on renewable energy purchase contracts, rooftop solar, batteries and gas, Mr Brokhof said AGL would also ramp up its direct investment in firming assets, specifically hydro.