With a flick of the switch, an energy trial aimed at reducing the reliance on fossil fuels will begin on Stewart Island today.
Power, generated by diesel turbines, costs householders 52c a unit, but the energy trial hopes to reduce that expense, as well as its carbon footprint, Stewart Island Electrical Supply Authority manager Peter Thompson, of Invercargill, said.
By 11am today, solar panels on the post office and on the Department of Conservation office will be activated, along with a 1.8kW wind turbine on a property at Ringa Ringa.
The trial could be extended for a further six months if more information was needed, Mr Thompson said.
"During the trial we hope to determine the best mix of solar and wind for the island."
Mini hydro schemes, and tidal or marine power generation could also be a possibility for the island in the future, he said.
"Initially, we want 30% of the island's energy coming from renewable sources."
Insulating homes and improving how the 400 residents used their electricity would also be part of the project, he said.
The six-month renewable energy trial is a joint project between the Southland District Council, who run the supply authority, and Right House, a subsidiary of Meridian Energy.
With 90% of the island public conservation land, it was becoming increasingly reliant on ecotourism, and the electricity trial would increase its attractiveness to visitors, he said.
