The Economics Of Solar Power in Forbes.
Keypoints:
- Economic for end users in 3-7 years
- By 2020 only 1.5 to 3% of total power output estimated
- By 2020 x20 or x 40 current amount generated.
- Growth in Solar from 10 gigawatts today to about 200 gigawatts in 2020
Comments: Global Solar capacity will increase to 5 Gigawatts per year by 2010, so getting to 200 by 2020 is easy. Especially with the rate of growth of solar every year. I would assume 20% growth per year, which over 10 years would be 309 Gigawatts. My guess is the authors are assuming around 15% growth per year. As the costs gets closer to grid parity, the amount invested in solar would be expected to grow. And as the cost of energy increases, this will make solar more and more attractive. By 2020, it would be cheaper to install solar than to buy power from the grid during the day. I expect once this happens, the growth in solar will be even bigger than expected.
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