Cambodia’s electricity industry is undergoing its fastest structural change in a generation. Utility-scale solar capacity has already climbed to roughly 1.5 gigawatts as of mid-2026, surpassing the targets originally set for 2030 and 2035 under the government’s Power Development Master Plan (PDP 2022–2040), while clean energy sources accounted for about 62 percent of national electricity supply in 2025 — the second-highest clean-power share in ASEAN. The PDP envisages roughly US$9 billion of new domestic generation capacity, of which about US$2.5 billion had already been committed by 2025; the remaining US$6.5 billion is earmarked for hydropower, solar PV, liquefied natural gas (LNG) and biomass, together with battery energy storage systems (BESS), from 2026 onward. In March 2025, the Minister of Mines and Energy announced 23 newly approved renewable projects worth more than US$5 billion, comprising 12 solar farms, six wind farms and several battery-storage developments — a pipeline that, if delivered, would materially reshape the country’s generation mix within the five-year window relevant to current investment decisions.

For investors weighing the next five years, Cambodia’s advantage lies less in being the cheapest power market today and more in being one of the fastest-improving ones, with a policy framework, resource endowment and financing pipeline that together point toward a more competitive, lower-carbon and better-integrated regional power position by 2031.

1. Where Cambodia’s Comparative Advantage Lies
1.1 Resource endowment and a build-out that is ahead of schedule

Cambodia’s tropical solar resource and existing hydropower base give it a natural cost advantage in renewable generation, and the country is now converting that endowment into installed capacity faster than its own planning targets anticipated. Utility-scale solar reaching approximately 1.5 GW by June 2026 — ahead of both the 2030 and 2035 PDP milestones — signals to investors that permitting, land access and interconnection processes for renewable projects are functioning well in practice, not just on paper. For power-hungry manufacturing and export-oriented industries evaluating Southeast Asian sites, this trajectory suggests that the tariff gap with lower-cost neighbours such as Vietnam and Indonesia is likely to narrow over the next several years as cheaper solar and, eventually, battery storage displace more expensive imported fuel.

1.2 A investment law that actively rewards green energy

Cambodia’s 2021 Law on Investment explicitly lists green energy and climate-adaptation technology among its priority sectors under Article 24. Qualified Investment Projects (QIPs) in this category can choose between an income-tax exemption of three to nine years (followed by a phased step-up to the standard rate) or accelerated special depreciation, alongside exemptions from prepayment tax, minimum tax and, for export-oriented or supporting-industry QIPs, customs duties and VAT on imported construction materials and equipment. Registration through the Council for the Development of Cambodia is designed to take about 20 working days for the initial certificate. Relative to several regional peers where renewable-energy incentives are more fragmented or sector-specific, Cambodia’s incentive package is broad, codified in a single law, and explicitly extended to foreign investors without nationality-based discrimination (subject to the constitutional restriction on land ownership).

1.3 Demand-side pull from industrial diversification

Investment approvals in the first quarter of 2026 totalled roughly US$2.5 billion, with the industrial sector alone drawing about US$1.3 billion across 146 projects, including electric-vehicle and motorcycle assembly plants and new special economic zones. This diversification away from traditional garment manufacturing toward higher-value, more electricity-intensive industries is creating a domestic demand base that can underpin long-term power-purchase agreements for new generation capacity — a dynamic that strengthens the bankability case for both renewable IPPs (independent power producers) and grid-support investments such as storage and transmission upgrades.

2. Comparative Position: Cambodia Within ASEAN

On price alone, Cambodia is not currently the region’s most competitive market. Residential tariffs of roughly US$0.137–0.151 per kWh sit above Vietnam and Indonesia, both of which remain near US$0.07 per kWh, though still below Singapore’s roughly US$0.269 per kWh and broadly in line with the Philippines, Malaysia, Thailand and Myanmar. The comparative-advantage case for Cambodia therefore rests less on today’s tariff level and more on trajectory, policy support and first-mover positioning in specific technologies — wind power and grid-scale storage, for example, remain largely undeveloped across mainland Southeast Asia, giving early Cambodian entrants a chance to secure favourable sites and power-purchase terms before the market matures.

Country	Approx. retail/commercial price (USD/kWh)	Position
Singapore	0.269	Highest in ASEAN
Philippines / Malaysia / Thailand / Myanmar	0.10 – 0.15	Mid-range
Cambodia	0.137 – 0.151	Mid-to-upper range; highest among mainland peers
Vietnam	below regional average (~0.07)	Among the lowest in ASEAN
Indonesia	~0.07	Among the lowest in ASEAN

3. Strengths, Weaknesses, Opportunities and Threats

Strengths	Weaknesses
• Renewable resource base (solar, hydro, emerging wind) already exceeding 2030/2035 PDP targets • QIP tax and customs incentives for green energy under the 2021 Law on Investment • Strong political commitment to a 70% renewable-by-2030 target and net-zero by 2050	• Retail tariffs remain above Vietnam and Indonesia, eroding cost competitiveness for energy-intensive manufacturing • Continued dependence on imported coal and, increasingly, LNG • Grid, transmission and storage infrastructure still catching up with generation growth
Opportunities	Threats
• Falling solar and battery-storage costs support long-run tariff reduction • Deeper cross-border power trade with Laos, Thailand and Vietnam, with potential linkage to the ASEAN Power Grid • Rising industrial, EV-assembly and data-centre demand creating captive, long-term offtake for new capacity	• Dry-season hydropower shortfalls and reliance on imports during peak demand • Global LNG price volatility affecting the 2030s gas-fired build-out • Regional competition for the same renewable-energy capital from Vietnam, Indonesia and the Philippines

4. Investment Outlook, 2026–2031

From roughly 2032, the PDP allocates the bulk of the remaining US$6.5 billion in planned investment to non-mainstream Mekong hydro dams, additional solar PV and BESS projects, suggesting that the more capital-intensive phase of Cambodia’s power build-out — and correspondingly the larger window for new entrants — lies just beyond the immediate five-year horizon, making 2026–2031 a period better suited to establishing footholds (land, licences, offtake relationships and QIP status) than to large-scale construction.
Grid-scale battery storage stands out as a near-term opportunity: Cambodia has already commissioned a 1-gigawatt-hour grid-forming battery system, and regional analysts note that regulatory design — rather than technology cost — remains the principal obstacle to storage deployment across ASEAN, with only about 1.4 GW operational region-wide despite a roughly 90 percent decline in global storage costs since 2013.
In conclusion Cambodia’s electricity industry offers a comparative advantage that is more forward-looking than static: a renewable resource base and project pipeline already outperforming the government’s own targets, one of the more generous and codified green-energy incentive regimes in the region under the 2021 Law on Investment, and a demand base being reshaped by industrial diversification. These strengths are counterbalanced by tariffs that remain above key regional competitors and infrastructure that is still catching up with generation growth. For investors with a five-year or longer horizon, the most attractive positioning is likely in renewable generation, battery storage and grid-support assets that can be secured on favourable terms during the 2026–2031 consolidation phase, ahead of the larger, more capital-intensive expansion the PDP anticipates from 2032 onward. For better decision investor shall engage compliance and tax advisory support early to navigate QIP qualification.

Cam Accounting & Tax Service Co., Ltd., a member firm of Kreston Global, holding a GDT tax agent license, Accounting, Auditing, and liquidator licenses from ACAR, and accredited by the National Bank of Cambodia (NBC) and Trust Regulator (TR).

For more information, please contact our Accounting, Tax and Audit ExpertMs. Haing Sivtieng, MIPA, MBA
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