A Quick History of Solar Electric Power in California

The ancient Romans, whose bathhouses featuredsolar electric power for homes and businesses. It
south-facing windows to capture the sun's warmth,seems to be working: over 30,000 solar installations
were on to a great thing. Throughout history, solarhave taken place in California in the last decade. Some
power has been used for light and warmth -- andof the legislation currently in effect includes:
most recently, electricity for our growing energy needs.- California Solar Rights Act, 1978. Enacted to facilitate
Much as Californians would love to claim that solarand encourage solar electric power, this act requires
electric power started in California, early discoveriesthe timely processing of solar permits and prohibits any
about the potential for sunlight to generate electricityentity, including local governments, from restricting solar
took place primarily in Europe. In 1839, Frenchaccess to home and business owners.
experimental scientist Edmund Becquerel discovered- California Net Metering Law, 2002. Governor Gray
the photovoltaic effect (photo = light, voltaic = energy).Davis signed legislation to allow solar and wind energy
Later in the same century, English electrical engineerto be sold back to the utilities by independent power
Willoughby Smith discovered the photoconductivity ofproducers.
selenium.- Bill AB 32 / Global Warming Solutions Act, 2006. The
In the 20th century, Albert Einstein published twofirst US legislation to cap pollution and place California
ground-breaking papers, one on the photoelectricon a time line to reduce its emissions, Bill AB 32
effect, the other (rather more famously) on relativity.requires that by 2020 the state cut its emissions to
By 1954, Bell Laboratories had developed the first1990 levels, roughly a 25% reduction by
photovoltaic cell, made using silicon, that was capablebusiness-as-usual estimates. Because energy needs
of turning light into usable energy. These solar cellsare unlikely to go down, Bill AB 32 encourages
began to be used to power satellites in the late 50sbusinesses and large organizations to switch to
and continue to do so today. Unsurprisingly, solarrenewable energy sources such as solar electricity.
energy was further developed during the oil crisis of- Million Solar Roofs Bill, 2006. Also known as SB 1, this
1973.bill includes funds and other measures to achieve 1
Because of its famously sunny climate, California hasmillion solar power roofs in California by 2016.
always been an ideal place for solar experimentation,- The California Solar Initiative provides incentives for
to say nothing of sunblock. Its role in solar electricsolar electric power installations based on both the size
power was established in the 1980s with two largeand orientation of the solar system. Systems under 50
solar developments: the first megawatt solar powerkw are given incentives based on estimated
station and the largest solar thermal station in theperformance, while larger systems are paid gradually
world. Its legislation has largely protected and promotedbased on actual performance.