SaskPower says between 10,000-12,000 homes in Saskatchewan will be run on solar power by 2021, from a project aiming to deliver 60 megawatts. Some of that electricity should be reaching the grid by 2018.
The government’s target is to have 50 per cent of its power delivered by renewable sources by 2030.
“So if we think about it, 2000 megawatts would be about fifty per cent of our mix today,” said Guy Bruce, SaskPower’s Vice President of Planning, Environment and Sustainable development. “So it’s a relatively small percentage, but it’s a move in the right direction.”
Since the 1970s, installed solar photovoltaic capacity has grown tremendously to 230 gigawatt worldwide in 2015, with a growth rate between 1975 and 2015 of 45%. This rapid growth has led to concerns regarding the energy consumption and greenhouse gas emissions of photovoltaics production. We present a review of 40 years of photovoltaics development, analysing the development of energy demand and greenhouse gas emissions associated with photovoltaics production. Here we show strong downward trends of environmental impact of photovoltaics production, following the experience curve law. For every doubling of installed photovoltaic capacity, energy use decreases by 13 and 12% and greenhouse gas footprints by 17 and 24%, for poly- and monocrystalline based photovoltaic systems, respectively. As a result, we show a break-even between the cumulative disadvantages and benefits of photovoltaics, for both energy use and greenhouse gas emissions, occurs between 1997 and 2018, depending on photovoltaic performance and model uncertainties.
In many sunny parts of the world, solar energy is now cheaper than fossil fuels, even without subsidies.
The installed price of solar energy has declined significantly in recent years as policy and market forces have driven more and more solar installations.
Now, the latest data show that the continued decrease in solar prices is unlikely to slow down anytime soon, with total installed prices dropping by 5 percent for rooftop residential systems, and 12 percent for larger utility-scale solar farms. With solar already achieving record-low prices, the cost decline observed in 2015 indicates that the coming years will likely see utility-scale solar become cost competitive with conventional forms of electricity generation.
Median Installed Price of Solar in the United States Fell by 5-12% in 2015
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