太陽(yang)(yang)能(neng)(neng)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)分為(wei)光熱發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)和光伏(fu)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)。現時期進入商業(ye)化(hua)的(de)(de)太陽(yang)(yang)能(neng)(neng)電(dian)(dian)(dian)(dian)能(neng)(neng)，指的(de)(de)就是(shi)太陽(yang)(yang)能(neng)(neng)光伏(fu)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)。并網(wang)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統就是(shi)太陽(yang)(yang)能(neng)(neng)組件產生的(de)(de)直流電(dian)(dian)(dian)(dian)經過并網(wang)逆變(bian)器轉換成符合市電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)網(wang)要求的(de)(de)交流電(dian)(dian)(dian)(dian)這后直接接入公共(gong)電(dian)(dian)(dian)(dian)網(wang)。并網(wang)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統有集中(zhong)式大型并網(wang)電(dian)(dian)(dian)(dian)站(zhan)一(yi)般都是(shi)電(dian)(dian)(dian)(dian)站(zhan)，家用光伏(fu)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)，主要特點是(shi)將所發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)能(neng)(neng)直接輸(shu)送(song)到(dao)電(dian)(dian)(dian)(dian)網(wang)，由電(dian)(dian)(dian)(dian)網(wang)統一(yi)調配(pei)向用戶供電(dian)(dian)(dian)(dian)。

同時(shi)，不要(yao)在不利的(de)(de)環境(jing)下安(an)裝或操作分布(bu)(bu)式(shi)(shi)光(guang)伏(fu)發電系統，例如強風(feng)(feng)和陣風(feng)(feng)天氣(qi)、潮濕結霜(shuang)的(de)(de)屋面表面等。分布(bu)(bu)式(shi)(shi)能(neng)(neng)源(yuan)涵蓋了(le)天然1氣(qi)、生物質(zhi)能(neng)(neng)、太(tai)陽能(neng)(neng)、風(feng)(feng)能(neng)(neng)、海洋能(neng)(neng)以及其(qi)他(ta)形式(shi)(shi)的(de)(de)能(neng)(neng)源(yuan)。在市場上，美國(guo)、丹麥、英(ying)國(guo)、日(ri)本等國(guo)家分布(bu)(bu)式(shi)(shi)能(neng)(neng)源(yuan)發展較(jiao)為迅猛(meng)。我國(guo)分布(bu)(bu)式(shi)(shi)能(neng)(neng)源(yuan)產(chan)業起步較(jiao)晚，現階段正處于發展階段，我國(guo)分布(bu)(bu)式(shi)(shi)能(neng)(neng)源(yuan)主(zhu)(zhu)要(yao)以天然1氣(qi)、生物質(zhi)能(neng)(neng)和太(tai)陽能(neng)(neng)光(guang)伏(fu)為主(zhu)(zhu)。

由于光(guang)(guang)(guang)(guang)(guang)照(zhao)(zhao)會隨著時(shi)間的改變(bian)而(er)變(bian)化，所以造成了每個(ge)時(shi)間段光(guang)(guang)(guang)(guang)(guang)照(zhao)(zhao)強(qiang)度(du)(du)存在差異的情況。在光(guang)(guang)(guang)(guang)(guang)照(zhao)(zhao)較強(qiang)的中午(wu)時(shi)分，光(guang)(guang)(guang)(guang)(guang)照(zhao)(zhao)強(qiang)度(du)(du)一(yi)般都能(neng)達(da)(da)到1Kw/㎡，而(er)硅晶(jing)太陽(yang)板的光(guang)(guang)(guang)(guang)(guang)能(neng)轉化率(lv)1大能(neng)達(da)(da)到12%左右，光(guang)(guang)(guang)(guang)(guang)能(neng)在系(xi)統中轉換的過程會消耗一(yi)些電能(neng)，總體來說，系(xi)統光(guang)(guang)(guang)(guang)(guang)能(neng)的轉化率(lv)在10%左右。根(gen)據經驗條件(jian)對(dui)光(guang)(guang)(guang)(guang)(guang)照(zhao)(zhao)強(qiang)度(du)(du)進行折算，一(yi)般都能(neng)達(da)(da)到強(qiang)光(guang)(guang)(guang)(guang)(guang)照(zhao)(zhao)4個(ge)小時(shi)的效果。