Solar panel installation

Clean & Renewable Energy Experts

Power Your Home with Solar Energy in Sitamarhi

NirmanWala Engineering & Construction Pvt. Ltd. delivers end-to-end solar solutions — rooftop, residential, commercial, on-grid & off-grid systems. Cut your electricity bills and switch to clean power today.

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100%Clean Energy

10%Off This Season

25yrPanel Lifespan

Up to 10% OFF

Why go solar with us?

Trusted local installation & complete after-sales support

Free site survey & consultation
Subsidy & net-metering assistance
Certified installation team
Warranty-backed solar panels

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Solar engineers at work

2026

Powering Bihar with Solar

About NirmanWala

Solar Energy a Greener, Brighter in Sitamarhi Bihar

Based at Nahar Chowk, Dumra Road, Sitamarhi, NirmanWala Engineering & Construction Pvt. Ltd. is your local partner for reliable solar energy. We design, install and maintain solar power systems for homes, businesses and industries across Bihar.

From rooftop panels to complete solar plants, our certified team handles everything — survey, design, installation, battery storage and ongoing maintenance — so you enjoy clean power and lower bills without the hassle.

Certified ExpertsSkilled, trained installation team

Maximum SavingsReduce bills up to 90%

Warranty BackedQuality panels & service

Local SupportFast on-ground service

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Our Solar Services

Complete Solar Energy Solutions

End-to-end solar installation and energy services for residential, commercial and industrial needs in Sitamarhi.

Solar Panel Installation

Professional installation of high-efficiency solar panels for homes and businesses with neat, durable mounting.

Residential Solar Systems

Custom rooftop solar solutions for households to slash electricity bills and gain energy independence.

Commercial Solar Systems

Large-scale solar panel systems for shops, offices and industries to cut operating energy costs.

On-Grid Solar Setup

Grid-connected systems with net metering so you can export surplus power and save more.

Off-Grid & Battery Storage

Reliable off-grid systems with battery backup for uninterrupted power, even during outages.

Hybrid Solar Solutions

Best of both worlds — grid + battery hybrid setups for maximum savings and backup security.

Repair & Maintenance

Solar panel cleaning, repair, performance checks and warranty service to keep systems running peak.

Energy Consultation

Free assessment, system sizing, subsidy guidance and ROI planning tailored to your usage.

Solar Plant Installation

Turnkey solar plant setup for high-capacity power generation for industrial & large facilities.

Why Choose Us

The NirmanWala Advantage

We make going solar simple, affordable and worry-free for every customer in Sitamarhi and across Bihar.

Quality Equipment

Only premium, warranty-backed solar panels and components.

Expert Team

Experienced engineers handle design and installation end-to-end.

Best Pricing

Transparent quotes with subsidy & net-metering assistance.

Lifetime Support

Reliable after-sales service and maintenance you can trust.