Understanding Solar PPA in Thailand: A Complete Guide for Businesses

What is Solar PPA?

A Power Purchase Agreement (PPA) is the easiest way for Thai businesses to go solar. With a PPA, a solar company installs panels on your rooftop at zero upfront cost. You simply buy the electricity they produce at a rate lower than what you currently pay the grid.

How Much Can You Save?

Thai businesses typically pay 4-5 THB/kWh from PEA/MEA. With a Solar PPA, you pay around 2.50-3.00 THB/kWh — saving 20-40% on electricity costs from day one.

PPA vs Buying Your Own System

If you have capital available, buying your own solar system (EPC model) offers higher long-term savings. A typical 500kW system costs ~15M THB and pays back in 4-6 years, with 20+ years of free electricity.

Not sure which option is right? Use our free PPA vs EPC Comparison Tool to calculate your specific savings.

Available Incentives

  • BOI tax holidays (3-8 years)
  • 40% accelerated depreciation
  • Carbon credits via T-VER program
  • Green loan programs

Check your eligibility with our free Subsidy Checker.

Free Solar Tools

Visit capsolar.co.th/tools for free calculators — no registration required.

CapSolar Co., Ltd. — Thailand's trusted solar energy partner. capsolar.co.th

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