Tons of CO₂ reduced
Energy Cost Savings
Renewable Energy Generated
Higher Energy Efficiency
Our Services
We provide specialized solar energy and sustainability solutions designed for maximum efficiency and long-term financial returns.
Solar & ESG Excellence across North India.Leading Solar EPC Company serving Delhi NCR, Haryana, Punjab, W. UP and Himachal Pradesh.
Eco Friendly
Solar solutions in Punjab and Haryana reducing carbon footprint for industries.
Smart Savings
Commercial solar systems engineered to maximize business ROI and lower bills.
Calculate Your Financial Impact
Get an instant enterprise-grade estimate of your potential energy savings and recommended system size.
Calculations based on MNRE benchmarks and average solar irradiation in Delhi.
GET UP TO
₹1,08,000
SUBSIDY
SOLAR FINANCING FOR HOMES IN DELHI NCR & PUNJAB
Industries
We Serve
Powered By APN Solar
Engineering Excellence
ONS is a Franchise Partner of APN Solar, leveraging industry-leading technology and certified engineering standards across India.
National Certifications
Quality Assurance Standards
"Nationwide Reach, Certified Quality"
Pan-India
EPC Strength
ISO
Global Standard
Featured Projects
Delivering high-performance clean energy solutions and sustainable infrastructure across North India's industrial hubs.
Residential Solar
Commercial Solar
rooftop solar
Industrial Solar
TECHNICAL EXCELLENCE FOR
SUSTAINABLE SUCCESS
END-TO-END SOLUTIONS
Complete project planning, design, engineering, execution and long-term support for sustainable energy projects.
INDUSTRY EXPERTISE
Specialized solutions for manufacturing, healthcare, commercial, educational and industrial sectors.
ROI-DRIVEN APPROACH
Designed to maximize energy efficiency, reduce operating costs and deliver long-term business value.
APN SOLAR PARTNERSHIP
Franchise Partner of APN Solar, delivering reliable renewable energy solutions backed by industry standards, quality engineering and professional execution.
EASY FINANCING
Our Finance Partners
We collaborate with leading financial institutions to provide easy solar loan options and low-interest EMI schemes for your clean energy transition.
Powering Sustainable
Growth Across North India
Delhi NCR, Haryana, Punjab, W. UP & Himachal Pradesh
With a strong regional presence, ONS Sustainable Energy Solutions delivers Solar EPC, ESG Consulting, Sustainability Solutions, E-Waste Management and EV Infrastructure services across North India, helping industries, hospitals, commercial establishments and renewable energy businesses achieve their sustainability goals.
Head Office
A3/55, Sector 15, Rohini, Delhi – 110089
Service Coverage Region
Delhi NCR • Haryana • Punjab • W. UP • Himachal Pradesh
Service Coverage Areas
Regional Delivery Network
Our certified technical teams provide 24/7 monitoring and maintenance support across all listed industrial and commercial hubs.