MRP extends option to up stake in US geothermal firm

MRP extends option to up stake in US geothermal firm
June 4 (BusinessDesk) - Mighty River Power says it has extended an option to increase its stake in US-based geothermal company EnergySource from 20 percent to 33.3 percent. In its first quarterly update since 49 percent of the state-controlled electricity company floated on the NZX and ASX on May 10, MRP says its original option expired last month, but had been extended to the first quarter of the 2014 financial year “while the company considers whether or not it would exercise the option.” EnergySource has already developed one geothermal p...