Cost Controls. Coal supply exceeded demand for the first half of 2012 as a result of slower economic growth in China, causing the coal price on a downward trend and lower than that for the same period last year. Seizing this opportunity, the Company optimized its procurement structure by further increasing the purchased volume of imported coal capitalizing on the price gap between domestic and international coal markets, secured more favorable coal purchase conditions through negotiations with suppliers, and reduced its average coal purchase price by rationalizing inventory arrangement based on production needs.Energy Conservation and Environmental Protection. The Company attaches great importance to energy conservation and environmental protection. All the coal-fired generating units of the Company are equipped with desulphurization devices, and its coal-fired generating units equipped with denitrification devices account for more than 33% of power generation capacity of the Company. The Company has also strengthened management over the operation and maintenance of environmental protection facilities, which has improved their operating efficiency and in-operation rate. For the first half of 2012, the Company continued to maintain its leading position in the industry in terms of major technical and economic indicators. Project Development and Construction. For the first half of 2012, the Company obtained approval for the Zhejiang Tongxiang Natural Gas Co-generation Project, the Wind Farm Phase I Project of Jiangsu Rudong Wind Power Co., Ltd., the Yunnan Chuxiong Natural Gas Cogeneration New Construction Project, and the Huaneng Coal Transit Base Project at Haimen Port in Shantou. The following generating units of the Company commenced operation during the first half of 2012: Unit 2 (673 MW) of Shanxi Huaneng Zuoquan Power Plant, in which the Company owns a 60% equity interest; Unit 5 (1,000 MW) of Henan Huaneng Qinbei Power Plant Phase III, in which the Company owns a 60% equity interest; Unit 2 (20 MW) of Hunan Yongzhou Xiangqi Hydropower Station, which is wholly owned by the Company; Unit 2 (12.5 MW) and Unit 3 (12.5 MW) of Liaoning Suzihe Hydropower Station, which is wholly owned by the Company; and the second stage (44 MW) of Jiangsu Qidong Wind Power Plant Phase II, in which the Company owns a 65% equity interest.