Toward a ‘green grid' of solar, wind electricity

April 20, 2011 11:48 pm | Updated 11:48 pm IST

The solar panels of a bioclimatic house are seen next to a windmill on the grounds of the Technological and Renewable Energies Institute (ITER) outside Santa Cruz de Tenerife, in the Spanish Canary Island of Tenerife March 29, 2011. Solar panels on the rooftops of Spain are likely to pay for themselves within five years without needing subsidies and revive an industry in the doldrums after the country became the world's second-largest producer. To match Analysis SOLAR-SPAIN/ REUTERS/Santiago Ferrero (SPAIN - Tags: ENERGY ENVIRONMENT BUSINESS)

The solar panels of a bioclimatic house are seen next to a windmill on the grounds of the Technological and Renewable Energies Institute (ITER) outside Santa Cruz de Tenerife, in the Spanish Canary Island of Tenerife March 29, 2011. Solar panels on the rooftops of Spain are likely to pay for themselves within five years without needing subsidies and revive an industry in the doldrums after the country became the world's second-largest producer. To match Analysis SOLAR-SPAIN/ REUTERS/Santiago Ferrero (SPAIN - Tags: ENERGY ENVIRONMENT BUSINESS)

Scientists and policy makers are focusing more attention on developing technologies to make the so-called ‘green grid' — a network to deliver solar and wind-based power from suppliers to consumers — possible.

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