Solar 5 kW
5 kW solar
price and payback
Solar D's 5 kW packages cost ฿169,000–229,000, including 10 panels, the inverter, installation, the utility permit and VAT (prices as of 3 Nov 2026). They produce about 736 units a month, save about ฿2,400–3,200 a month and pay back in about 4.4–7.9 years. Suited to homes with a monthly bill of about 5,000–9,000 baht.
Price
Every 5 kW package
| Package | Home power | Price incl. VAT | Monthly saving (est.) | Payback (est.) |
|---|---|---|---|---|
| Huawei 5 kW | 1-phase | ฿169,000 | ฿2,400–3,200 | 4.4–5.8 years |
| Huawei 5 kW | 3-phase | ฿189,000 | ฿2,400–3,200 | 4.9–6.5 years |
| Sigenergy NEO 5 kW | 3-phase | ฿199,000 | ฿2,400–3,200 | 5.2–6.9 years |
| Sigenergy 5 kW | 3-phase | ฿229,000 | ฿2,400–3,200 | 5.9–7.9 years |
Estimate with the panels producing 115 units per kWp (panel power) per month, electricity at 4.9 baht per unit (incl. VAT), 40–80% of the sun used at home and the rest sold back at 2.2 baht per unit (up to 5 kW per meter under the utility programme). Your real figures depend on how your house uses electricity; see them in the system designer
What is included
The price includes everything you need
Main equipment: panels, inverter, mounting
Installed by the Solar D team in 1–2 days
Electrical drawings and the MEA or PEA permit
Warranty: workmanship 2 years, panels 30 years, inverter 10 years
Solar D Care for the first year
VAT 7%
FAQ
Questions about 5 kW solar
How much does a 5 kW solar system cost?
Solar D's 5 kW packages cost ฿169,000–229,000, including 10 panels, the inverter, installation, the utility permit and VAT (prices as of 3 Nov 2026). They produce about 736 units a month, save about ฿2,400–3,200 a month and pay back in about 4.4–7.9 years. Suited to homes with a monthly bill of about 5,000–9,000 baht.
How many years does 5 kW solar take to pay back?
About 4.4–7.9 years. Homes that use more of their own solar power (someone home in the day, air-con, EV charging) pay back faster; surplus sells to the utility at 2.2 baht per unit.
How many units a day does 5 kW solar produce?
About 25 units a day, or 736 units a month in normal sun (6.4 kWp of panels at 115 units per kWp a month).
Which electricity bill suits 5 kW solar?
Homes with a bill of about 5,000–9,000 baht a month that use about 40–70% of their power in the daytime.
Can a 1-phase home install 5 kW?
Yes. The Huawei 5 kW package for 1-phase homes costs ฿169,000.
Does 5 kW solar qualify for the tax deduction?
Yes, if total home panel capacity is no more than 10 kWp and the other conditions are met. You deduct what you actually paid, up to 200,000 baht.
Your home's own numbers
Enter your monthly bill and the designer shows the right size, price and payback for your home at once.
Or call 02 026 3099