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How Corporates can Achieve Net-Zero Through Renewable Power Purchase Agreement (PPA) 10 October, 2025
How Corporates can Achieve Net-Zero Through Renewable Power Purchase Agreement (PPA)
Net-zero has become the defining commitment of global business leaders. But for Indian corporates, achieving net-zero can feel like a daunting journey. One practical solution is already here: Renewable Power Purchase Agreements (PPA).

What is a Renewable PPA?

A Renewable PPA is a long-term contract where a corporate agrees to buy electricity directly from a renewable energy developer at a pre-agreed tariff. It allows businesses to use clean energy without upfront capital investment.

Types of PPA

  • On-Site PPA: Rooftop or ground-mounted systems at the corporate’s premises.
  • Off-Site PPA: Developers set up large plants elsewhere, and corporates buy the energy through the grid.

Why Corporates Prefer PPA

  • Cost Stability: Locking tariffs for 15–20 years helps companies from rising grid costs.
  • No Capex: Zero upfront investment makes it financially accessible.
  • Sustainability: Significant carbon reduction without operational complexity.
  • Scalability: PPA can cover large power demands for factories, offices, and data centers.

PPA as a Net-Zero Pathway

For many corporates, switching entire operations to renewable sources overnight isn’t possible. But long-term PPA provide a scalable and reliable route to replace fossil power gradually and achieve net-zero targets.

The Bigger Picture

With India pushing towards decarbonization, PPA empower corporates to align with national goals, attract green capital, and enhance brand reputation.

At Roofsol Energy, we structure flexible, transparent PPA tailored for corporates—helping them move closer to net-zero with zero hassle.

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Corporate Renewable Energy Adoption: How Indian Businesses are Going Green 23 September, 2025
Corporate Renewable Energy Adoption: How Indian Businesses are Going Green

The world of business is changing rapidly, and so are its energy choices. Across India, corporates are rethinking how they consume power—not just to save money, but to secure their future.

Renewable energy has moved from being a “good-to-have CSR project” to a core business strategy.

Why the Shift?

Corporate India is facing new pressures - rising electricity tariffs, investor scrutiny, government mandates, and global climate commitments. But these pressures have unlocked opportunities:

  • Cost Advantage: Solar tariffs have fallen dramatically, often undercutting grid power.
  • Energy Security: Rooftop solar and captive plants give businesses greater control.
  • Investor Expectations: Global investors demand ESG alignment. Companies that don’t comply risk losing capital.
  • Customer Trust: Today’s consumer wants sustainable brands.

Leaders Setting Examples

Amul, CEAT, D-Mart, and Mankind Pharma are just a few of our clients among the growing list of Indian companies taking bold steps toward renewable energy adoption. These corporate leaders are investing in large-scale solar and wind projects, signing long-term green power purchase agreements, and setting ambitious net-zero targets.

Across retail, manufacturing, data centers (IT) and others, businesses are deploying both rooftop and ground-mounted solar systems to slash operating costs while reducing carbon emissions. Some of our clients are integrating solar into their manufacturing units, while others are embracing clean power to meet sustainability goals—proving that even energy-intensive sectors can pivot to greener solutions.

The momentum is not limited to industry giants. Small and Medium Enterprises (SMEs) are increasingly realizing that every unit of renewable power consumed improves their competitiveness—by lowering electricity bills, insulating operations from volatile grid prices, and strengthening their green credentials with customers and global supply chains.

Net-Zero on the Horizon

India’s 2030 goal of 500 GW non-fossil fuel capacity will largely depend on corporate adoption. Businesses are already announcing net-zero timelines, and renewables are the bedrock of their transition strategies.

The Bottom Line

Adopting renewable energy is no longer just about reducing costs or meeting compliance—it’s about future-proofing business models. Those who go green today will lead tomorrow’s markets.

At Roofsol Energy, we help corporates accelerate this journey with tailored-made solar energy solutions with experts in OPEX, CAPEX, and Open Axis Project, ensuring sustainability goes hand in hand with profitability.

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CAPEX vs OPEX in Solar Projects: Which Model is Right for Your Business? 25 August, 2025
CAPEX vs OPEX in Solar Projects: Which Model is Right for Your Business?

Investing in solar is a smart way to cut energy costs and support a sustainable future. But when it comes to financing, there are two main models: CAPEX and OPEX. Understanding these can help businesses and homeowners make informed decisions.

CAPEX Model:

High upfront investment from the consumer (equipment, installation, maintenance).

Ownership remains with the consumer, allowing for tax benefits, depreciation, and potential revenue from selling excess power.

Tentative costs: ₹45,000–₹85,000 per kW. For a 5kW system, this is around ₹2.25–₹4.25 lakh, with a payback period of 5–6 years.

OPEX Model:

A third party (RESCO) owns and operates the system, while the consumer pays for electricity through a Power Purchase Agreement (PPA), usually 15–25 years.

Benefits include low or zero initial costs, minimal operational responsibility, and predictable pricing.

Consumers do not own the system and may have higher long-term costs.

Market Overview:

India’s rooftop solar capacity: ~19.88 GW (grid-connected rooftop), as of July 31, 2025, per MNRE’s official “Physical Progress” dashboard.

CAPEX vs OPEX/RESCO mix (recent additions): ~91% CAPEX / ~9% OPEX of Q1 2025 rooftop installations, according to Mercom India’s Q1 2025 market report summary. This confirms CAPEX remains the dominant model.

Trend: OPEX/RESCO projects are growing (driven by utility-led/residential push under PM Surya Ghar and city-level RESCO initiatives), but still a minority share versus CAPEX.

Conclusion:

Choosing between CAPEX and OPEX depends on your financial strategy, ownership goals, and willingness to manage operations. At Roofsol Energy, we help clients evaluate both options and implement rooftop solar solutions tailored to their needs.

Sources: MNRE, Mercom India, The Times of India

 
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India Shines Bright in Solar Power 07 August, 2025
India Shines Bright in Solar Power

A landmark moment in our journey towards a sustainable future, India has officially overtaken Japan to become the world’s third-largest solar power producer, generating a staggering 1,08,494 GWh, compared to Japan’s 96,459 GWh.

This achievement is more than just a number. It’s a reflection of India’s unwavering commitment to clean energy, driven by forward-thinking policies, technological innovation, and the relentless efforts of public and private sector players working in synergy.

Under the visionary leadership of Hon’ble PM Shri Narendra Modi, India is setting benchmarks in the global energy transition.

At Roofsol Energy, we are proud to contribute to this national movement by enabling businesses, industries, and individuals to harness the power of the sun. From rooftops to utility-scale projects, we continue to push the boundaries of what’s possible in Renewable space.

The sun is rising. And India is leading the way. Let’s keep powering a greener tomorrow together. 

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Roofsol Energy Raises ₹255 Million Through Equity Funding 06 August, 2025
Roofsol Energy Raises ₹255 Million Through Equity Funding

Roofsol Energy, a Maharashtra-based rooftop solar EPC services provider, has raised ₹255 million (~$3.03 million) in its inaugural round of equity funding.

The funds were raised through private placements from high net-worth individuals (HNIs) led by fund manager Equity4life IH Analytics.

Roofsol Energy plans to utilize the funds to accelerate the development of OPEX business for developing solar assets in subsidiary companies. This will also drive the company’s growth by setting up a strong foothold in its commercial and industrial (C&I) portfolio.

The company has recently signed power purchase agreements with large C&I clients to set up solar power projects.

“This round of equity will solidify the company’s commitment to growing its business. Roofsol Energy is committed to developing 75 MW solar assets in the current financial year of 2024, followed by an ambitious target of developing 500 MW of solar assets in the C&I segment,” said Priyank Jain, CFO of Roofsol Energy.

The company was featured in Mercom’s India Solar Market Leaderboard 2024 as one of the top rooftop solar companies.

India added 1.7 GW of rooftop solar capacity in CY 2023, according to the 2023 Q4 & Annual Mercom India Rooftop Solar Market Report. As of December 2023, the country’s cumulative rooftop solar installations reached 10.5 GW. Residential consumers accounted for 50.5% of the capacity additions in 2023, followed by C&I. Tata Power Solar led the annual capacity additions, accounting for 26.2% of the installations. Roofsol Energy ranked second, accounting for 7.9% of yearly installations.

According to Anurag Chivilkar, Director & VP—Business Development, Roofsol, while cost savings remain a key motivator, pressure from investors to meet green energy mandates is also driving the adoption of rooftop solar in the C&I sector.

Roofsol Energy has over 300 solar projects in India, with 280 MW of rooftop solar installations. The company aims to implement over 1000 MW of solar EPC projects worldwide by 2025.

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Companies Dominating the Indian Solar Market in 1H CY 2024 06 August, 2025
Companies Dominating the Indian Solar Market in 1H CY 2024

The latest Mercom India Solar Market Leaderboard for 1H 2024 showcases the leading companies dominating the solar sector in the first half (1H) of the calendar year (CY) 2024.

The report covers market share rankings and provides a comprehensive view of the competitive landscape across the Indian solar supply chain in the first half of CY 2024.

A few established companies have solidified and expanded their positions, driven by a renewed emphasis on domestic manufacturing following the reimposition of the Approved List of Models and Manufacturers (ALMM) order.

With initiatives like PM Surya Ghar: Muft Bijli Yojana launched in Q1 2024, and the growing project pipeline under PM-KUSUM, both requiring domestic solar modules, new market leaders are expected to emerge by the end of 2024.

India added 12.8 GW of solar capacity in 1H 2024, up 228.3% from 1H 2023. Large-scale solar (including open access) projects with a cumulative capacity of 11.7 GW accounted for 91.4% of overall installations.

The country’s cumulative installed solar capacity stood at around 85.5 GW as of June 2024.

The pipeline of large-scale solar projects under development (including open access) stood at 126.1 GW as of June 2024, with 103.8 GW of tenders pending auction.


Adani Green Energy emerged as a top utility-scale solar project developer in 1H 2024, achieving the highest capacity additions and holding the largest cumulative installed capacity as of June 2024. ReNew and O2 Power secured the second and third spots, respectively, for capacity added during the same period. Cumulatively, the top ten developers contributed 76.8% of utility-scale solar capacity additions in 1H 2024 and 44.5% of the project development pipeline as of June 2024.

Tata Power Solar led rooftop solar installations, followed by Roofsol Energy and Havells India. The top ten developers collectively captured 57.2% of the rooftop solar market during this period. In 1H 2024, more than 1.1 GW of rooftop solar capacity was added.

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