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Solar Electric Capacity Grew 37% Last Year — Residential PV Doubles

| Thursday April 15th, 2010 | 2 Comments

Electricity generated by sunlight grew 37 percent in 2009 to a total of 2,108 megawatts of capacity nationwide, according to an advance copy of the US Solar Industry Year in Review, to be released today by the Solar Energy Industries Association (SEIA).

Overall solar energy capacity — which includes solar hot water heaters — grew 5 percent to 25,952 megawatts. But that modest figure hid the real action, which was in the photovoltaic panel market.

Residential roof-top PV installations grew by 156 MW in 2009, an astonishing 101 percent increase over 2008. That growth was helped in part by the removal of a $2,000 Investment Tax Credit cap.

PV has seen dramatic declines in the price of panels, declines mirrored in the cost of installing the panels on homes and businesses. Anecdotal evidence, in the form of increased news coverage and advertising campaigns targeting homeowners and small businesses suggested growth that was confirmed in SEIA’s numbers this week.

Overall grid-tied PV grew 38 percent in 2009, less than the 84 percent growth in 2008, due mainly to sluggish demand in the non-residential sector (commercial, industrial and government installations). Nonetheless, grid-tied PV passed the 1 Gigawatt (1,000 MW) level for the first time in 2009.

State by state, California had the most new solar power capacity, with 220 MW of new solar electric installations (including solar thermal electric), followed by New Jersey with 57 MW.

The solar industry also added an additional 10,000 jobs in 2009, according to the report, to a total of 46,000 workers directly or indirectly employed by the industry, as well as an additional 7,000 “induced” new jobs. The large uptick may reflect the dramatic growth in residential installations, which are more labor-intensive per kilowatt installed.

Module prices fall, along with installation costs

Panel prices dropped 40 percent year-over-year in 2009, in large part due to Chinese manufacturing, but also increased manufacturing efficiency world-wide. Average cost of installation of a PV system in the 5 kilowatt range (what most single family homes need) is now about $8.15 a watt, before incentives are figured in.

Outlook for 2010: sunny

The SEIA expects the industry to grow 40 percent in 2010 as the economy shakes off the effects of the Great Recession and as prices continue to fall. There’s also about 17 GW of projects in the pipeline in the US, the report notes, and world-wide demand is growing, including from global leader Germany (3 GW new capacity in 2009).

And in a sign of steady optimism in the sector, venture capitalists invested more in solar power than any other industry in 2009, about $1.4 billion. “For an industry  that had a total U.S. volume of roughly $4 billion, this signals huge optimism about near‐term growth,” the report’s authors wrote.

From the report:

With new  innovations in the installation process, increasing economies of scale and inovative equipment increasing energy yields, the cost reductions are expected to continue. PV is becoming an increasingly attractive and secure investment.


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  • 反物質

    阿彌陀佛 無相佈施

    不要吃五辛(葷菜,在古代宗教指的是一些食用後會影響性情、慾望的植
    物,主要有五種葷菜,合稱五葷,佛家與道家所指有異。

    近代則訛稱含有動物性成分的餐飲食物為「葷菜」,事實上這在古代是稱
    之為腥。所謂「葷腥」即這兩類的合稱。 葷菜
    維基百科,自由的百科全書
    (重定向自五辛) 佛家五葷

    在佛家另稱為五辛,五種辛味之菜。根據《楞嚴經》記載,佛家五葷為大
    蒜、小蒜、興渠、慈蔥、茖蔥;五葷生啖增恚,使人易怒;熟食發淫,令
    人多慾。[1]

    《本草備要》註解云:「慈蔥,冬蔥也;茖蔥,山蔥也;興渠,西域菜,云
    即中國之荽。」

    興渠另說為洋蔥。) 肉 蛋 奶?!

    念楞嚴經 *∞窮盡相關 消去無關 證據 時效 念阿彌陀佛往生西方極樂世界

    我想製造自己的行為反作用力
    不婚 不生子女 生生世世不當老師

    log 二0.3010 三0.47710.48 五0.6990 七0.8451 .85
    root 二1.414 1.41 三1.732 1.73五 2.236 2.24七 2.646
    =>十3.16 π∈Q' 一點八1.34

  • 反物質

    阿彌陀佛 無相佈施

    不要吃五辛(葷菜,在古代宗教指的是一些食用後會影響性情、慾望的植
    物,主要有五種葷菜,合稱五葷,佛家與道家所指有異。

    近代則訛稱含有動物性成分的餐飲食物為「葷菜」,事實上這在古代是稱
    之為腥。所謂「葷腥」即這兩類的合稱。 葷菜
    維基百科,自由的百科全書
    (重定向自五辛) 佛家五葷

    在佛家另稱為五辛,五種辛味之菜。根據《楞嚴經》記載,佛家五葷為大
    蒜、小蒜、興渠、慈蔥、茖蔥;五葷生啖增恚,使人易怒;熟食發淫,令
    人多慾。[1]

    《本草備要》註解云:「慈蔥,冬蔥也;茖蔥,山蔥也;興渠,西域菜,云
    即中國之荽。」

    興渠另說為洋蔥。) 肉 蛋 奶?!

    念楞嚴經 *∞窮盡相關 消去無關 證據 時效 念阿彌陀佛往生西方極樂世界

    我想製造自己的行為反作用力
    不婚 不生子女 生生世世不當老師

    log 二0.3010 三0.47710.48 五0.6990 七0.8451 .85
    root 二1.414 1.41 三1.732 1.73五 2.236 2.24七 2.646
    =>十3.16 π∈Q' 一點八1.34