, which is the main operating cost of the company’s power plants, in Q3/2017 the natural gas cost was Baht 2,581 million. The gas cost in Q3/2017 decreased from Q2/2017 by Baht 1,064 million or 29% and from
maintenance cost of Sriracha Power Plant that varies by operating hours according to EGAT’s dispatch instruction. Comparing to Q4/2017, the maintenance cost in Q4/2018 was up by Baht 8 million or 6% due to the
maintenance cost of Sriracha Power Plant that varies by operating hours according to EGAT’s dispatch instruction. Comparing to Q4/2017, the maintenance cost in Q4/2018 was up by Baht 8 million or 6% due to the
income arising from the provision of consultation services related to solar power business and interest from fixed deposit account, which is occasional and not related to the Company’s core business. Cost
Company reserved for loss from stock devaluation THB 34.83 million included in cost of sales 2.2) Cost of renewable energy increase THB 3.18 million due to year 2017 Solar Power Project on Rooftop of
100.00% 18.26 100.00% 2.33 12.77% Expenses Cost of sales 1.56 7.56% 1.51 8.26% 0.05 3.25% Cost of service and rental 3.32 16.11% 3.25 17.82% 0.06 1.94% Selling and service expenses 0.05 0.26% 0.05 0.30
related to solar power business, which is occasional and not related to the Company’s core business. Cost of sales and services Cost of sales and services consists of cost of sales from renewable energy
% 36.82 100.00% 1.27 3.44% Expenses Cost of sales 3.08 8.09% 3.03 8.23% 0.05 1.72% Cost of service and rental 6.58 17.26% 6.40 17.38% 0.18 2.73% Selling and service expenses 0.11 0.29% 0.11 0.30
Co.,Ltd. (Biogas Power Plant) and UWCC (Cambodia) Co.,Ltd. In order to reduce its debt and reshape its investment from less competency business such as Power Plant that cause longer period of repair
provision of consultation services related to solar power business, which is occasional and not related to the Company’s core business. Cost of sales and services Cost of sales and services consists of cost