Residential Solar Installation

Residential Solar Installation

OneStockHome's residential solar installation packages are on-grid rooftop systems priced with the solar panels, inverter, monitoring and installation by expert technicians. Power generated during the day runs your home first, and the grid covers the rest, which cuts bills for homes that run air conditioning or work from home in the daytime.

How much does solar installation cost?

It depends on system size and panel count. Packages here start at around 70,000 baht for a 1.25 kW system and run to around 300,000-400,000 baht for a 10 kW 3-phase system, installation included. Premium packages cost a little more than Normal and double the installation warranty to 2 years.

How to choose a system size

• 1.25-3 kW, 1-phase suits small houses and townhomes running 1-2 air conditioners in the day.
• 5 kW, 1-phase or 3-phase suits a typical detached house with about 4 air conditioners, refrigerators and TVs.
• 10 kW, 3-phase suits large homes with heavy power use, around 6 air conditioners.

Check your meter first: homes on a 1-phase meter can install up to 5 kW, and larger systems need 3-phase power.

Do I need a permit to install solar?

Yes. An on-grid system connects to the utility's lines, so it needs approval from the Metropolitan or Provincial Electricity Authority before it is switched on, and the roof must carry the panels' weight, which the technicians check during the site survey.

Why install solar with OneStockHome

Every package lists the system size, panel count, equipment brands and warranty clearly. Systems use RISEN N-Type 625W Tier 1 panels and a smart inverter, with real-time monitoring of power generation, and every job starts with a site survey.