 A 2010 study by University of Hawaii estimated the cost of electricity for OTEC to 94.0 cent (US) per kilowatt hour (kWh) for a 1.4 MW plant, 44.0 cent per kWh for a 10 MW plant and 18.0 cent per kWh for a 100 MW plant.A 2015 report by the organization Ocean Energy Systems under the International Energy Agency gives an estimate of about 20 cent per kWh for 100 MW plants.Another study estimates power generation costs as low as 7 cent per kWh.