Perth-based Green Rock Energy Ltd has secured an insurance policy worth $4.8 million from the World Bank-administered Geothermal Energy Development Fund over the next eight years for its Hungarian geothermal energy joint venture.

Perth-based Green Rock Energy Ltd has secured an insurance policy worth $4.8 million from the World Bank-administered Geothermal Energy Development Fund over the next eight years for its Hungarian geothermal energy joint venture.