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Tue, 31 March 2015 20:21:26
Sri Lanka commissions 500kW solar plant
08 Aug, 2011 19:27:33
Aug 08, 2011 (LBO) - Sri Lanka has commissioned a 500 kiloWatt solar power plant in Hambantota in the south of the island built with Korean help, the island's power and energy ministry said.
The solar plant in Hambantota in the South of the island built with 412 million rupees of Korean financing has been connected to the national grid, the ministry said in a statement.

The plant is operated by Sri Lanka's Sustainable Energy Authority to demonstrate the potential of solar power.

The authority promotes renewable energy. Solar is among the most expensive renewable energy.

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3. Avinda Aug 09
Sri Lanka does not receive 5 equivalent peak hours per day. I do not know how this was worked out. Unless the panels are moving with the sun. Besides, the sky over Sri lanka is always part cloudy. So you will never receive the above condition.

The result, the panels will produce less than 500KW production. Then you have losses along the way until power produced is converted to AC. The approximate losses are between 30 to 40 percent. then more losses associated with putting into main distribution line. The net result, never economically viable. Your estimation of 25 (loan payment)years is most likely the end of life cycles of the panels.

Sri Lanka better focus on biomass and mini and micro hydros. that is where I would be putting my money.

2. Green Lover Aug 09
Since it's a complete grant from Korean government, payback is almost zero years. However, I am sure there are other costs such as civil works and monthly wages that would not have been mentioned. But this is the way forward. Congrats!
1. Jayantha Ranatunga Aug 09
I beleive this 500kW is what it is capable of producing at peak sunshine on a clear day noon. For SL it is computed to have 5 such equvalent peak hours per clear day. That is, it will produce 2500kWhrs per day and about 750,000kWhrs per year. This valued at Rs 25 ( highest price paid to private generaters by CEB )works out to 17.5 mn Rs worth of energy. At zero interest and ignoring future price escalations of electricity the pay back is nearly 25 years. This shows that solar PV is not economical yet. Newertheless it is move in the right direction.