The global solar energy market is experiencing unprecedented growth, driven by climate commitments, energy security concerns, and rapidly declining costs. According to Mordor Intelligence, Southeast Asia's solar energy market alone is projected to reach 45.59 gigawatts (GW) by 2026, growing at a compound annual growth rate (CAGR) of 19.05% through 2031, when it will reach 109.03 GW [1]. This explosive growth creates significant export opportunities for Southeast Asian manufacturers who can navigate the increasingly complex regulatory landscape.
The International Energy Agency (IEA) confirms this trajectory, noting that electricity demand in Southeast Asia is rising at one of the fastest rates globally, exceeding 7% in 2024—nearly double the global average [2]. This demand surge, combined with abundant solar resources (the region has 20 terawatts of untapped variable renewable energy potential), positions solar as a critical solution for meeting energy needs while reducing dependence on imported fossil fuels.
Southeast Asia Solar Market Share by Country (2026)
| Country | Market Share | Key Growth Drivers |
|---|---|---|
| Thailand | 28% | Government incentives, net metering policies |
| Vietnam | 25% | Feed-in tariffs, private sector investment |
| Indonesia | 20% | Energy security needs, rural electrification |
| Malaysia | 15% | Renewable portfolio standards |
| Philippines | 8% | Geographic suitability, climate resilience |
| Others | 4% | Regional cooperation initiatives |

