The World’s leading companies trust Constant Energy

About Us

Constant Energy is a solar project developer and Independent Power Producer (IPP). We develop, design, finance, build, own and operate since 2012 large solar power plants under Feed-in-Tariff and Corporate PPA.

We operate in Asia with a primary focus in Southeast Asia. Our team is specialised, experienced, and all expertise is available in-house.

We produce clean electricity to our clients for the long term, enabling them to reduce their CO2 emissions, reduce electricity bill, and increase profitability while they are focusing on their core business activities.

Save money and reduce carbon footprints with no upfront cost.

Hana Semi Conductor
999.96 kWp

Schneider Electric
795 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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Additional business lines

Solar Farm & Battery Storage (ESS)

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Other services

Asset Management

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Our Portfolio (Selected Projects)


Solar panels and Counting


Tons CO2-equivalent reduction


Total energy produced



Awards and Recognition

See what our clients are saying about us

Client Testimonials

Check how much you can save

with our interactive slider

1. Select your roof size ( sqm )

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

2. You Save


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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