The payout debate is back in the headlines, sending “concerned” citizens into paroxysms of rage.

Founding chief executive of Mighty River Power to leave the company after 16 years at the helm.

State-owned electricity company is dissolving a five-year-old investment partnership in American and German geothermal developments, taking 100% control of development opportunities in Chile and a 20% interest in a Californian geothermal producer.

Fund manager meetings in Sydney and Melbourne suggest a dual listing for MRP's expected $1.5 billion equity raising.

MightyRiverPower expects electricity from its latest geothermal development to be lower than costs normally assumed for such power stations and well below that of new wind farms.