A number of renewable electricity generating technologies have not reached grid-parity in terms of cost. These include solar photovoltaic, solar thermal, tidal, wave, ocean, onshore wind and offshore wind power (new renewables henceforth). It is noticeable that the share of electricity from...

Intermittent renewable energy sources, including solar and wind power, typically remain more expensive than conventional power sources. As a consequence, few intermittent power projects would have been deployed if specific policy instruments had not been implemented. Existing policy instruments...