The US Renewable Energy Laboratory (NREL) found that US utility-class solar power costs fell by 30 percent in 2017 compared to the same period last year, with an average price of $ 1.03 per watt, with an average price of 1.11 US dollars, so that the cost of electricity (LCOE) can be combined with the combined cycle of gas power generation competition.
According to NREL estimates, this means that the LCOE of the fixed-tilt solar pv bracket system is $ 50-66 / MWh and $ 44- $ 61 / MWh with the solar PV tracking bracket system after excluding the impact of the US Federal Investment Tax Credit (ITC).
These prices show that utility-class solar energy has reached the 2020 goal set by the US Department of Energy (DOE) Sunshot Initiative, which also enables DOE's Energy Efficiency and Renewable Energy Department's Office (EERE) to shift its focus from cost reduction to high Level of renewable energy integration.
Most of the factors that reduce costs are the collapse of PV module prices, and the price of other segments such as solar pv bracket has not fallen rapidly. NREL found that the C & I system fell 15 percent year on year, averaging $ 1.85 / W, but residential system prices fell only 6 percent to $ 2.80 / W. This means that the C & I system has a LCOE of $ 92-120 / MWh and a residential system of $ 129-167 / MWh, still below SunShot's goal. However, if the impact of ITC is taken into account, the cost of residential systems has dropped significantly below $ 100 / MWh.
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