By Natasha Li / Staff reporterElectricity generated by solar power soared 51.7 percent in the first 10 months of this year, becoming the nation’s second-largest alternative energy source, the Ministry of Economic Affairs said yesterday. A total 3,418 gigawatt-hours (GWh) of electricity was generated by solar energy, or 26.3 percent of total renewable energy generation over the period and 1.47 percent of overall electricity generation, the ministry said. Hydropower remained the largest alternative energy source, generating 5,117GWh over the period, or 39.3 percent of total renewable energy generation, it said. Overall, renewable energy accounted for 13,006GWh, or 5.6 percent, of the nation’s total electricity generation over the period, it said. Driven mainly by hydropower and solar power, the share of renewable energy in electricity generation surged 22.4 percent year-on-year during the period, the ministry said.