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What will the cost of energy of utility-scale solar photovoltaics be in 2022, in 2018 USD per kWh?

Solar photovoltaics (PV) generate electric power by using solar cells to convert energy from the sun into a flow of electrons by the photovoltaic effect. Solar pv generated around 2% of total energy in the U.S. in 2017. In Germany, an estimated 7% of net generated electricity was solar-generated in 2017.

Solar energy production is cleaner than most non-renewable energy production. For example, according to the IPCC, the life cycle CO2 equivalent of energy production by rooftop solar cells is 41 co2 equivalent per kWh, which is less than 1/10 of that from the energy production by gas.

According to the International Renewable Energy Agency (IRENA), in 2018, the weighted-average levelized cost of energy (LCOE) of solar PV was USD 0.085/kWh (IRENA, 2019). This was 13% lower than for projects commissioned in 2017 (ibid.).

What will the global weighted-average levelized cost of energy of utility-scale solar PV be in 2022, in 2018 USD per kWh?


Resolution

This question resolves as the global weighted-average LCOE of utility-scale solar PV be in 2022, in 2018 USD per kWh, per IRENA estimates. Prices are to be converted to 2018 USD using BLS CPI for all urban consumers and all items. In case IRENA data is not available, other sources of estimates of the global weighted-average LCOE of solar PV may be consulted. These other sources should be deemed by an admin to be sufficiently similar in methodology. One criterion of similarity is that the estimate of the 2018 LCOE solar PV is not more than 25% different from $0.085/kWh in 2018 USD.

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