Solar Power Generation Remains More Expensive Than Coal-Fired Power Plants in 2022

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Adi Ahdiat 14/06/2023 12:50 WIB

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According to PLN's Statistical Report, by the end of 2022, the average cost of generating electricity from solar power plants (PLTS) in Indonesia was Rp1,034.52 per kWh, while that of coal-fired power

Average Electricity Generation Costs by Power Plant Type in Indonesia (2022)

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Solar Power Generation Remains More Expensive Than Coal-Fired Power Plants in 2022

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Average Electricity Generation Costs by Power Plant Type in Indonesia (2022)

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Many countries are striving to achieve energy transition through the utilization of solar power. According to the International Energy Agency (IEA), solar energy is widely relied upon because its generation technology is relatively inexpensive.

"The price of photovoltaic modules has fallen by 80% over the last decade thanks to continuous innovation across the supply chain. Solar photovoltaic energy has become the most affordable electricity generation technology in many regions," stated the IEA in its World Energy Outlook report, October 2022 edition.

However, a different phenomenon seems to be occurring in Indonesia. Until 2022, the cost of generating solar power remained relatively high.

According to the PLN 2022 Statistical Report, until the end of last year, the average cost of generating solar power (PLTS) in Indonesia was Rp1,034.52 per kilowatt-hour (kWh).

Meanwhile, the average cost of generating electricity from steam power plants (PLTU), which generally use coal as fuel, was only Rp737.52 per kWh.

The average cost of generating electricity from combined cycle gas and steam power plants (PLTGU) was even cheaper, at Rp143.97 per kWh. This is despite PLTGUs using fossil fuel sources, such as industrial solar (high-speed diesel) or compressed natural gas.

Other types of renewable energy power plants, such as hydropower plants (PLTA) and geothermal power plants (PLTP), also have relatively low generation costs, as shown in the graph above.

However, the installed capacity of PLTA and PLTP in Indonesia is still smaller than that of PLTU, PLTGU, and diesel power plants (PLTD) which use fossil fuels.

PLN continues to strive to accelerate the energy transition and make it affordable. One of these efforts is through cooperation with Kreditanstalt für Wiederaufbau (KfW), a German development bank.

On March 1, 2023, KfW signed an agreement to provide PLN with Rp10.7 trillion in financing support to accelerate the energy transition in Indonesia.

"Cooperation in the decarbonization of the energy sector will be one of KfW's main focus areas in the coming decades. We hope this support will allow PLN to focus more," said Bernd Loewen, Head of Finance at KfW, in a press release on PLN's official website (1/3/2023).

"We support Indonesia in developing a sustainable and climate-friendly energy sector to secure a long-term and cost-effective electricity supply for the entire population," Loewen added.

Editor : Adi Ahdiat

"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."

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Solar Power Generation Remains More Expensive Than Coal-Fired Power Plants in 2022

Solar Power Generation Remains More Expensive Than Coal-Fired Power Plants in 2022

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Solar Power Generation Remains More Expensive Than Coal-Fired Power Plants in 2022

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