23
Apr
By Elaine Hsieh, Program Director & Senior Analyst - VERGE
Just as we celebrate Earth Day’s 44th year this week, Friday marks the 60th anniversary of the first practical solar cell. Back in 1954, all the solar cells in the world delivered about one watt.
Now, more than 100 billion watts (a.k.a. 100 gigawatts) of generating capacity of solar photovoltaics have been installed globally. Also this year, solar reaches the Holy Grail: grid parity, when solar panels generate electricity at...