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FAQs

Common Queries Answered

Frequently Asked Questions?

NJ Engineering offers complete solar power solutions including On-Grid Solar Systems, Off-Grid Solar Systems, Residential Solar, OPEX Solar Power Plants, and Open Access Solar Power Plants for residential, commercial, and industrial clients.

An on-grid solar system is connected to the utility grid and allows you to use solar power during the day while exporting excess electricity to the grid through net metering, helping reduce electricity bills.

An off-grid solar system operates independently of the electricity grid and uses batteries to store solar energy. It is ideal for remote areas, rural locations, and places with unreliable power supply.

In an OPEX solar model, NJ Engineering invests in, installs, operates, and maintains the solar power plant. The customer pays only for the energy consumed at a fixed, lower tariff without any upfront investment.

Open access solar allows businesses to purchase solar power from large solar plants through the open access mechanism. It is suitable for high-power consumers looking for long-term cost savings and sustainability.

On average, 1 kW of solar power requires 80–100 sq. ft. of shadow-free rooftop area. The exact requirement depends on panel type and system design.

Solar power can reduce electricity bills by 50% to 90%, depending on system size, consumption pattern, and solar generation.

Yes, NJ Engineering provides end-to-end support, including site survey, system design, government approvals, net metering documentation, installation, and commissioning.

Solar panels typically last 25 years or more. Inverters and other components have shorter lifespans but can be easily replaced or upgraded.

Yes, solar panels generate electricity even in cloudy conditions, though output may be reduced. The system automatically balances power using the grid or batteries (in off-grid systems).

Solar systems require minimal maintenance, mainly periodic cleaning of panels and basic system checks to ensure optimal performance.

NJ Engineering offers high-quality components, expert engineering, professional installation, transparent pricing, and reliable after-sales support, ensuring long-term performance and customer satisfaction.

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