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Politics : Politics of Energy

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To: Sdgla who wrote (51179)	5/12/2014 2:54:44 PM
From: Eric	Read Replies (1) of 86355

What is the % that solar contributes in the overall marketplace and at what cost ? Depends on where it is installed. Germany has over 36 gigawatts of solar PV installed to date. The hardware (PV's, inverters and system wiring) now costs just a hair below $1.00 a watt. I just finished a system for a friend (10 kW nameplate capacity) and all of the parts were about that. He and I provided the labor. In Germany PV systems are being installed on residential rooftops for about 2 Euros a watt now. That includes everything (including installation labor). Solar photovoltaics is a sustainable energy source. [1] In 2013, its fast-growing capacity increased by 36% to a running total of 136 GW, worldwide. This is sufficient to generate 160 TWh/year or about 0.85% of the electricity demand on the planet. China and Japan are now the fastest growing markets, while Germany remains the world's largest producer, contributing almost 6% to its national electricity demands. [2] [3]Solar photovoltaics is now, after hydro and wind power, the third most important renewable energy source in terms of globally installed capacity. More than 100 countries use solar PV. Installations may be ground-mounted (and sometimes integrated with farming and grazing) or built into the roof or walls of a building (either building-integrated photovoltaics or simply rooftop). Driven by advances in technology and increases in manufacturing scale and sophistication, the cost of photovoltaics has declined steadily since the first solar cells were manufactured, [4] and the levelised cost of electricity ( LCOE) from PV is competitive with conventional electricity sources in an expanding list of geographic regions. Net metering and financial incentives, such as preferential feed-in tariffs for solar-generated electricity, have supported solar PV installations in many countries. [5] With current technology, photovoltaics recoup the energy needed to manufacture them in 1.5 (in Southern Europe) to 2.5 years (in Northern Europe). [6] en.wikipedia.org Eric

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