Our Story

Powering India's Solar Future Since 2009

From Cambridge Energy Resources' telecom energy expertise to CER Rooftop's mission of making solar accessible to every Indian household.

Our Journey

What started as a distributed energy company for telecom towers has grown into India's trusted rooftop solar partner — driven by engineering excellence and a passion for clean energy.

2009

Cambridge Energy Resources Founded

Founded with a vision to solve India's distributed energy challenges. Pioneered EMSaaS™ for telecom tower energy management.

2016

CER Rooftop Incorporated

CER Rooftop Pvt Ltd incorporated (CIN: U74999HR2016PTC064049) to bring enterprise energy expertise to residential and commercial rooftops.

2020

Joint Venture with Alpex Solar

Partnered with Alpex Solar, India's leading solar module manufacturer, ensuring premium DCR-approved components for every installation.

2024

ConnectM Technology Integration

Integrated ConnectM's smart energy management platform for real-time monitoring, predictive maintenance, and maximum system performance.

2025

PM Surya Ghar Expansion

Became one of India's leading PM Surya Ghar scheme specialists, helping thousands of families access government solar subsidies.

Our Core Values

The principles that guide every solar installation we deliver.

Quality First

We use only premium DCR-approved components from trusted manufacturers. No compromises, ever.

Customer Obsession

2-hour response time guarantee. Your questions answered, your concerns addressed — always.

Transparency

No hidden costs, no surprise charges. Clear pricing, honest timelines, and upfront communication.

Innovation

ConnectM smart monitoring, EMSaaS™ energy management — we bring cutting-edge technology to your rooftop.

Leadership

The team driving India's rooftop solar revolution.

Ashwani Sehgal

Ashwani Sehgal

Director

A first-generation techpreneur with 30+ years of experience. Holds a degree in Mechanical Engineering from Punjab University, Chandigarh. President of the Indian Solar Manufacturers Association (ISMA) since 11 years, playing a pivotal role in advocating for favorable government policies that benefit solar manufacturers.

Achyuta Narayan Bakshi

Achyuta Narayan Bakshi

Director

A seasoned business leader with over two decades of experience across energy, mining, logistics, and technology. Serves as Managing Director of Cambridge Energy Resources Private Limited — the parent company of the CER group. Instrumental in building the Cambridge Energy ecosystem across multiple verticals, including CER Energy Services, CER Microgrids, and CER RenewTech. His strategic vision and diverse entrepreneurial portfolio have been pivotal in driving CER's expansion into rooftop solar solutions.

Company Registration

CIN

U74999HR2016PTC064049

ROC

ROC Delhi

Company Type

Private Limited Company

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