About Us

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Our Mission

CALS aims to advance renewable energy systems using non-conventional technologies that compete effectively with conventional energy sources.

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Our Vision

Empower a billion lives through sustainable, affordable & innovative energy solutions from renewable energy.

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Our Goals

Our values are CALS – Care, Agile, Learning, Safety & Ethics.

Why Choose Us Our Services

Building Excellence in Renewable Energy Through Vision and Expertise

CALS is the result of a well-planned vision backed by nearly 25 years of hands-on renewable energy experience. Founded by a seasoned windmill specialist, the company excels across the entire project lifecycle — from land acquisition to turbine erection and maintenance — setting us apart in the industry.

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years of experience in solar energy.
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Our Values

  • We prioritize a safe environment for everyone.
  • We show genuine care for our people and community.
  • We adapt quickly to change and innovate continuously.
  • We encourage continuous growth and knowledge sharing.
  • We act with integrity and uphold strong moral principles.
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Innovating Clean Energy Solutions

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Increase Energy Reliability

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Save Electricity Costs

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Reduce Carbon Footprint

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With over two decades in renewable energy, I’ve witnessed the industry evolve from vision to reality. My journey through Siemens Gamesa, Vestas, and NEPC shaped my expertise in wind and solar. In 2003, I founded CALS to drive large-scale clean energy projects with purpose. My passion remains unchanged—building a sustainable future through innovation and responsible infrastructure.
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Arul Balan

Founder Chairman & Managing Director

CALS India renewable energy of solar and wind project solutions
Our Capabilites

Personalized energy solutions.

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Engineering, Procurement & Construction (EPC)

Total Design, Planning Engineering and other Consultancy Services.

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Engineering, Procurement & Construction (EPC)

EPC specialists in solar farm engineering, procurement, and construction.

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Regulatory Affairs

Consultancy services in the area of Government Relations related services to meet our customer requirements.

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Infrastructure and Manpower Assignment

CALS supplies skilled specialists for windmill erection projects.

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Power Transmission and Distribution Projects

CALS executes transmission projects with complete solution capabilities.

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Commercial & Industrial

CALS provides consultancy services to Industrial & Commercial entities save energy costs and drive.

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Solar Pump

CALS is executing Solar pump projects AND support various applications related to it including field irrigation

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Solar Rooftop

CALS is executing Solar rooftop projects of various capacities, support existing Residential, Commercial & Industrial

Why Choose Us

Trusted Leader in Renewable Energy

Delivering reliable, innovative, and sustainable renewable energy solutions with unmatched expertise and customer focus.

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Proven Expertise – 25+ Years

Extensive experience delivering wind, solar, and hybrid energy projects across India.

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End-to-End Solutions

Complete management from feasibility, design, and approvals to installation and commissioning.

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50+

Over 50 satisfied clients across India, trusting our renewable energy expertise.

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100MW

Successfully executed more than 100 MW of wind and solar projects nationwide.

Testimonials

What our clients say about our Cals services?

CALS delivered a flawless rooftop solar solution — on time, efficient, and with real savings on our energy bills.

Rajesh Iyer

Chennai

Professional team, transparent quotes, and smooth installation. Our factory's energy costs dropped noticeably.

Priya Menon

Coimbatore

Strong technical support and timely commissioning. CALS made our transition to renewable power effortless.

Sandeep Kumar

Bengaluru

Excellent consultancy and aftercare. The solar pump setup runs reliably and reduced our operating expenses.

Anjali Reddy

Hyderabad

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