地广人稀的内蒙古大草原目前共建成太阳房 12 5万平方米 ,太阳能畜用采暖棚圈 660万平方米 ,已有 14万户约 50万居住偏远的牧民用太阳能解决了生产生活用电。地处高寒地带的内蒙古 ,横贯“三北” ,幅员辽阔。全区太阳能年均辐射量 50 0 0 - 640 0兆焦耳 /平方米 ,年均光照时数 The sparsely populated Inner Mongolia Prairie currently has a total of 125,000 square meters of solar houses and 6.6 million square meters of solar powered livestock sheds. Some 140,000 households with about 500,000 remote herders use solar energy to solve their electricity production and living needs. Located in the alpine zone of Inner Mongolia, across the “Three Norths”, a vast territory. The region’s annual average solar radiation 50 0 0 - 640 0 MJ / m 2, the average number of hours of illumination