Rooftop solar rules in Thailand: MEA vs PEA permits

Bangkok, Nonthaburi and Samut Prakan are served by MEA (Metropolitan Electricity Authority); every other province is PEA (Provincial Electricity Authority). You apply to install and export with the utility for your area.

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An electricity transmission tower
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Assumptions
    Rates and prices as of 31 Oct 2026

    MEA vs PEA at a glance

    —MEAPEA
    AreaBangkok, Nonthaburi, Samut PrakanAll other provinces
    Buy-back rate2.20 THB/kWh2.20 THB/kWh
    Installer listPublished on the MEA websiteCheck with your local PEA office

    The two utilities’ tariff tiers may differ slightly; we are checking the original announcements unconfirmed.

    Government incentives

    • Sell surplus power back at 2.20 THB/kWh on a 10-year contract
    • 500 MW national quota
    • Personal income tax deduction up to 200,000 THB (on-grid ≤10 kWp, until 31 Dec 2028)
    • Export is capped at 5 kW per meter
    • People’s Solar subsidy of 50,000 THB per person, registration until 31 Jan 2027 (cannot be combined with the tax exemption)

    As of 31 Oct 2026 · Check the latest MEA/PEA announcement before installing

    Before you install

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    Get free quotes from 3–5 installers

    Fill this in once and we pass it to installers registered with MEA/PEA in your province, who contact you. Free.

    Frequently asked questions

    Is Nonthaburi MEA or PEA?

    MEA, like Bangkok and Samut Prakan.

    Is Pathum Thani MEA or PEA?

    PEA. Check the header of your electricity bill to be sure.

    Is the buy-back rate the same for MEA and PEA?

    According to the latest reports, both pay 2.20 THB/kWh (as of 31 Oct 2026).

    Sources

    1. Thailand Blog: Solar panels in Thailand: how to invest smartly in 2026
    2. Thansettakij: MEA registered solar installer list
    3. Khaosod English: Thailand approves electricity bill cuts, boosts rooftop solar

    Methodology and sources