Our services

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Solar cell system planning and design

  • Provide consultation and installation planning that is appropriate to the customer’s needs.
  • Design solar cell systems using modern and high-efficiency technology.

Solar cell system installation

  • Installed by a team of skilled and well-trained technicians.
  • Use high-quality equipment and materials to ensure the safety and efficiency of the system.

Maintenance and after-sales service

  • Continuously inspect and maintain the solar cell system according to the presented conditions.
  • Provide fast and professional customer service.

For residential homes

Solar cells at a good price because they are here at Siam First.

  • Analyze electricity usage data honestly (read electricity bills, it is recommended to record meter readings for 1 week) Survey the work site by flying a drone to determine if the installation
  • area is suitable, without shadows from trees, buildings or obstacles, and to determine the type of roof. Designed through Fusion Solar smart design 2.0 simulation program
  • Designed through Fusion Solar smart design 2.0 simulation program to ensure customers are confident in the amount of electricity produced each month.
  • Reports that have been calculated using Huawei's simulation system for payback periods
  • Pay in installments via Kasikorn credit card at 0% interest for 10 months.
  • Apply for permission to connect electricity with the Electricity Generating Authority of Thailand.

Reduce electricity bills in the long term

Add value to your home

Long-lasting and worthwhile warranty

Installment payments via credit card, 0% interest for 10 months

Solar cells for business

Solar cells at a good price because they are here at Siam First.

  • Analyze electricity usage data honestly (read electricity bills, analyze through Load Profile)
  • Survey the work site by flying a drone to determine if the installation area is suitable, without shadows from trees, buildings or obstacles, and to determine the type of roof.
  • Designed through Fusion Solar smart design 2.0 simulation program to ensure customers are confident in the amount of electricity produced each month.
  • Reports that have been calculated using Huawei's simulation system for payback periods
  • Pay in installments via Kasikorn credit card at 0% interest for 10 months.
  • Apply for permission to connect electricity with the Electricity Generating Authority of Thailand.

Reduce business costs

BOI tax deduction rights

Have carbon credits

Payback within 4 years

Solar Private PPA

A Solar Private PPA is a financial agreement that allows businesses to use electricity generated from solar cells without having to invest in the solar
cell system itself. Siam First Co., Ltd. will invest in the installation of the system and provide all maintenance. Business operators will purchase the electricity generated at the rate,
price, and time frame agreed upon in the contract.

Advantages of Solar Private PPA

  • No upfront investment: Energy consumers do not incur any costs for installing and maintaining the solar system; the energy producer is entirely responsible.
  • Save on electricity bills: The electricity rates consumers pay under PPA contracts are lower than the rates paid to the grid, resulting in long-term savings on electricity bills.
  • Reduce financial risk: Siam First Company is responsible for the risks associated with the installation and maintenance of solar cell system
  • Promote the use of renewable energy: Help increase the use of environmentally friendly energy and reduce greenhouse gas emissions.