(EnergyAsia, May 18, Friday) — Solar-generated electricity could cost as much as coal-produce power by the end of the decade, said Boston, US-based Photon Consulting.   By 2010, the average cost of solar electricity could fall to $0.18/kWh in Germany, $0.13 in California and $0.12/kWh in Spain. The industry’s leaders could even bring prices down…