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March 04, 2018, 09:07:01 AM |
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2- ways to use the sun’s energy
1- To generate your electricity
It won’t be long before most roofs are covered with solar panels. Thirty years ago, solar photovoltaics cost $100 a watt; today the average cost of an installed PV system is $3.48 a watt. A five-kilowatt system, generating 5,500 kwh a year, will cost $40,000 across Canada, except in Ontario, where the Green Energy Act provides generous incentives. When the per-watt cost falls to $1, we’ll see solar PV everywhere.
2- To cook your food
There are various kinds of solar cookers: some use a reflective solar box, others a parabolic disc. In developing nations, solar cooking lifts the burden of walking miles to strip trees for firewood, reduces the amount of work for women and decreases respiratory diseases caused by cooking inside. Solar cookers work in Canada (link) too, even in the winter, as long as the sun is shining. You can also make your own solar dryer to preserve the fruit and veg in your garden.
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