Solar guides for Phuket villa & home owners
Plain-English guides to going solar on the Andaman coast — real prices in THB, the new 200,000 THB tax deduction, choosing an installer, pool villas, battery backup and selling power back to PEA. Written by the Pearl Solar Energy team.
Prices
Solar panel cost in Phuket (2026)
Real prices in THB for 3–20 kW systems, what drives the cost up or down, battery add-on pricing and payback by monthly bill.
Read ~8 min →
New law
Thailand's 200,000 THB solar tax deduction
Royal Decree 805 (2026) explained for expats — who qualifies, the conditions, the paperwork, and a worked example of what it's worth.
Read ~7 min →
Payback
Is solar still worth it in Thailand in 2026?
The payback maths worked line by line for a Phuket villa — and the honest list of cases where solar is not worth it.
Read ~7 min →
Choosing an installer
How to choose a solar installer in Phuket
An 8-point checklist, the red flags to walk away from, and the questions to ask before you sign anything.
Read ~7 min →
Electricity bills
Why Phuket electricity bills are so high
Aircon is ~60–65% of a villa's bill. Typical bill ranges by property type, how the tariff tiers work, and what actually cuts the number.
Read ~6 min →
Permits
Solar permits in Thailand (2026)
What changed since 2025, what PEA still requires, and who signs what when the house is leased or company-owned. We handle all of it.
Read ~6 min →
Off-grid
Can a house run on solar alone in Thailand?
Technically yes — usually not worth it where the grid exists. The hybrid middle path we actually recommend, with the sizing maths.
Read ~6 min →
Pool villas
Solar for pool villas in Phuket
Pool pumps, aircon and daytime loads make villas the strongest solar case on the island. Sizing, hybrid batteries and the rental-villa angle, explained.
Read ~7 min →
Khao Lak & Phang Nga
Solar in Khao Lak & Phang Nga
We service the whole province from Phuket — Khao Lak, Natai Beach, Takua Pa and beyond. What coastal conditions mean for your equipment choices.
Read ~6 min →
PEA buy-back
Selling power back to PEA (2026)
Thailand's rooftop solar buy-back scheme explained — rates, net billing and paperwork. Plus why self-consumption usually beats selling to the grid.
Read ~7 min →
Hybrid & battery
Hybrid solar & battery backup
Keep the essentials running through outages and use your solar power after dark. How hybrid systems work and how to size the battery.
Read ~7 min →Questions about solar for your property?
Free consultation and site survey — we reply in English. No obligation.