Photovoltaic electricity
Photovoltaics, or PV for short, is a technology that converts light directly into electricity. Photovoltaics is also the field of study relating to this technology and there are many research institutes devoted to work on photovoltaics.[1][2] Due to the growing need for solar energy, the manufacture of solar cells and solar photovoltaic array has expanded dramatically in recent years.[3][4][5] Photovoltaic production has been doubling every two years, increasing by an average of 48 percent each year since 2002, making it the world’s fastest-growing energy technology. At the end of 2007, according to preliminary data, cumulative global production was 12,400 megawatts.[6] Roughly 90% of this generating capacity consists of grid-tied electrical systems. Such installations may be ground-mounted (and sometimes integrated with farming and grazing)[7] or built into the roof or walls of a building, known as Building Integrated Photovoltaic or BIPV for short.[8] Financial incentives, such as preferential feed-in tariffs for solar-generated electricity and net metering, have supported solar PV installations in many countries including Germany, Japan, and the United States.[9]
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DC voltage installations can be more cost effective in the home and office. We design leddaylighting systems, combining LED and PV panels augmented with AC power. This maximizes the use of PV and pays of in a few years.
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