Indonesia’s Rooftop Solar Revolution: Over 11,000 Homes and Businesses Now Powered by the Sun

Jakarta – Indonesia is witnessing a significant surge in the adoption of rooftop solar power, with the state-owned electricity company, PLN, reporting a rapidly growing number of customers connecting to the national grid. The trend underscores a broader shift towards renewable energy sources in a nation heavily reliant on fossil fuels.

As of December 18, 2025, PLN has connected 11,392 customers with rooftop solar photovoltaic (PLTS) systems, representing a combined installed capacity of approximately 772.9 megawatts (MW). This represents a substantial increase in distributed solar generation across the archipelago.

Household Adoption Leads the Charge

The growth isn’t limited to large-scale commercial installations. A significant portion – around 6,500 – of these rooftop solar customers are households, demonstrating a growing appetite among Indonesian citizens for cleaner, more sustainable energy solutions. This reflects a global trend where homeowners are increasingly seeking to reduce their carbon footprint and energy bills.

“This is a fantastic number, and it reflects the increasing public interest in solar energy,” said Joni, EVP of Sales and Customer Service at PLN, during the AESI Solar Night 2025 event in Jakarta. “If you look at the figures, 6,500 of the 11,000 customers are households.”

Streamlined Processes Drive Growth

PLN attributes the rapid increase in rooftop solar adoption to significant improvements in its service delivery processes. The company has moved to a fully digital, end-to-end application and permitting system through its PLN Mobile app. This simplification aims to remove traditional bureaucratic hurdles and provide greater transparency and certainty for customers.

“PLN has established a Service Level Agreement (SLA) of 30 days for the entire rooftop solar On-Grid service process,” Joni explained. “This is a commitment to improving the quality of service for both the public and businesses.”

Indonesia’s Energy Transition and Global Context

Indonesia has committed to increasing the share of renewable energy in its energy mix to 23% by 2025, as outlined in its National Energy Policy. Rooftop solar is playing an increasingly important role in achieving this target. According to the International Renewable Energy Agency (IRENA), global installed solar capacity reached over 1,200 GW in 2023, demonstrating the worldwide momentum behind solar energy.

The growth in Indonesia’s rooftop solar sector also aligns with global efforts to combat climate change and reduce reliance on fossil fuels. Distributed generation, like rooftop solar, enhances energy security and resilience by diversifying energy sources and reducing transmission losses.

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