Indonesia, the largest economy in Southeast Asia, has a large and fast-growing solar industry centered on Java. SolarXList tracks 10,657 active solar, PV and energy-storage companies across the archipelago. Here's where they are, and what they do.
Top regions
- Jawa (Java) — 2,919 companies
- Sumatera — 1,004
- Kalimantan — 997
- Banten — 518
- DKI Jakarta — 382
- Bali — 316
Top cities
- Jakarta — 1,304
- Tangerang — 350
- Surabaya — 291
- Yogyakarta — 264
- Bandung — 241
- Padang — 203
What they do
Indonesia's market is overwhelmingly about installation: 3,986 installers and 1,106 EPC contractors, with 316 manufacturers. The greater-Jakarta region (Jakarta, Tangerang, Bandung) anchors the market, with strong secondary hubs in Surabaya (East Java) and across Sumatra and Kalimantan as electrification reaches the outer islands.
Explore the market: all solar companies in Indonesia, Indonesian installers, or browse Jakarta.
Source: SolarXList directory, June 2026. A company can hold more than one role.