Ivan Penn

August 6, 2018, 12pm PDT
A proposal by the nation's largest utility could be a model to deal with the most formidable problem presented by intermittent renewable electricity sources.
The New York Times
May 21, 2018, 7am PDT
San Francisco Chronicle energy reporter David R. Baker sheds some light on the nation's first state building code requiring that solar panels be included in new home construction, adopted by the California Energy Commission on May 9.
San Francisco Chronicle