Tesla Inc. has fired an undetermined number of employees following a series of performance evaluations after the company significantly boosted its workforce with the purchase of solar panel maker SolarCity Corp.
The National Renewable Energy Laboratory’s solar cell efficiencies chart depicts confirmed conversion efficiencies for research cells from 1976 to date, for several PV technologies. But as conventional crystalline silicon (c-Si) PV modules approach peak efficiency, with the leap from lab to life—or from demonstration to mass production—occasionally taking over 30 years, the final question is: what is the additional watt class worth?
Power-to-gas (P2G)—the conversion of electrical power into gaseous energy carriers—is a quickly improving and potentially disruptive energy conversion technology.
It is not always good to be first. Last June, San Diego Gas & Electric (SDG&E) was the first utility in California to hit its net-metering cap and move to Net Energy Metering 2.0 (NEM 2.0). Now, SDG&E will again be the first utility to star…