The World’s leading companies trust Constant Energy

About Us

Constant Energy is a solar power producer operating large power plants since 2012. We develop, design, finance, build, own and operate large solar power plants under Feed in Tariff and Corporate PPA contracts.

We invest and manage our solar assets in direct and with a long-term outlook. Our team is specialized, experienced, and all expertise is available in-house.

We currently operate primarily in Southeast Asia. Our group has invested since 2017 in renewable energy projects in Thailand, Vietnam and Malaysia.

Save Energy and Money With No Upfront cost.

Hana Semi Conductor
999.96 kWp

SRCE1_SEB Aerial Picture with Solar Rooftop 15_CE

Hana Semiconductor
999.96 kWp

Why Us

Zero Investment & Maintenance Cost

Discounted Electricity Price

Savings On Electricity Bill From Day 1

No Resource Required

Establishment Of A Green Branding

Increased Enterprise And Asset Value


Corporate PPA

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Other services

Ground Mount & Battery Storage

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Other services

Asset Management

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Our Portfolio

0 +

Solar panels and Counting

0 K

Tons CO2-equivalent reduction

0 MW

Total energy produced



Awards and Recognition

Client Testimonials

Check how much you can save

with our interactive slider

Select your roof size ( sqm )

  • 5,000
  • 10,000
  • 15,000
  • 20,000
  • 25,000
  • 30,000
  • 35,000
  • 40,000

You Save

0 K

Savings per year (THB)*


Tons of CO2 avoided (equivalent)


Trees saved

*These savings are only an example. Actual savings depend on the demand profile of the off taker and the credit profile amongst other factors

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