IEEE Power & Energy Magazine - July/August 2015 - 41

Halfway There
Can California Achieve
a 50% Renewable Grid?

C

CALIFORNIA IS FAMOUS
for the sun, wind, and waves that
draw millions of visitors and
thousands of new residents each
year. But can California's most
famous natural resources power
half of its electric grid? The state
may soon find out. In the inaugural address for his record fourth
term in office, California Governor Jerry Brown set a goal of
deriving 50% of electricity from
renewable resources by 2030, as
part of a continuation of California's efforts to reduce greenhouse gas (GHG) emissions.
California is not alone in its
consideration of high-renewable
futures. Numerous studies have
pointed to the need to decarbonize the electric sector as a key
strategy for achieving deep,
economy-wide reductions in
GHG emissions. To that end,
many jurisdictions have set
goals for deriving a high percentage of energy supplies from
renewable resources. The European Union Renewables Directive mandates that at least 20%
of total energy consumption
SEAL-IMAGES LICENSED BY INGRAM PUBLISHING,
SOLAR PANELS-IMAGES LICENSED BY GRAPHIC STOCK

By Arne Olson, Amber Mahone, Elaine Hart,
Jeremy Hargreaves, Ryan Jones, Nicolai Schlag,
Gabriel Kwok, Nancy Ryan, Ren Orans, and Rod Frowd
Digital Object Identifier 10.1109/MPE.2015.2423211
Date of publication: 25 June 2015

july/august 2015

1540-7977/15©2015 IEEE

ieee power & energy magazine

41



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