Publication - Renewable Power Generation Costs in 2019

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Title

Renewable Power Generation Costs in 2019

Publisher

International Renewable Energy Agency (IRENA)

Author

Dolf Gielen, Francisco Boshell, Ricardo Gorini, Jack Kiruja, Paul Komor, Toshimasa Masuyama, Binu Parthan, Michael Taylor, Pablo Ralon, Harold Anuta, Sonia Al-Zoghoul

Published in

June 2020

Abstract

Newly installed renewable power capacity increasingly costs less than the cheapest power generation options based on fossil fuels. The cost data presented in this comprehensive study from the International Renewable Energy Agency (IRENA) confirms how decisively the tables have turned.

More than half of the renewable capacity added in 2019 achieved lower electricity costs than new coal. New solar and wind projects are undercutting the cheapest of existing coal-fired plants, the report finds. Auction results show these favourable cost trends for renewables accelerating.

Solar and wind power costs have continued to fall, complementing the more mature bioenergy, geothermal and hydropower technologies. Solar photovoltaics (PV) shows the sharpest cost decline over 2010-2019 at 82%, followed by concentrating solar power (CSP) at 47%, onshore wind at 40% and offshore wind at 29%.

Electricity costs from utility-scale solar PV fell 13% year-on-year, reaching nearly seven cents (USD 0.068) per kilowatt-hour (kWh) in 2019. Onshore and offshore wind both fell about 9% year-on-year, reaching USD 0.053/kWh and USD 0.115/kWh, respectively, for newly commissioned projects. Costs for CSP, still the least-developed among solar and wind technologies, fell 1% to USD 0.182/kWh.

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