Meanwhile, solar photovoltaic power hit 171.5 billion kWh, up 28.1 percent, while biomass generated 80.4 billion kWh of electricity, up 19.4 percent from a year ago, Li said

光能增长28.1%
biomass 生物发电

Up用法
Violent crime went up by 9% last year.
   去年暴力犯罪增长了 9%。
   Inflation is up by 2%.
   通货膨胀率上升了 2%。