Philippines | May 6, 2013
Solar panel prices has really gone down. From $8.00/watt 3 years ago it was down to half of that last year (at $4.00/watt) The price is inclusive of design, inverter, controller and installation. The CEPALCO system cost $5.00/watt (the 10 mW cost $5 million dollars)
But I learned that the cost of PV only is $1.70/watt. Lately though, we had quotes of $0.90 only per watt. (So a 1 kw installation would be only P36t)
However, the inverter controller unit would cost approximately the same amount; so with the installation cost. This is the area for cost improvement.
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