An on-grid solar system connects rooftop solar panels to the electricity grid through a grid-tied inverter. The home uses solar power when it is available, while imported and exported electricity are accounted for under the applicable DISCOM and net-metering rules.
Core Components & Operating Principle
An on-grid rooftop solar system generally includes photovoltaic modules, a grid-tied inverter, mounting structures, DC and AC protection, cables, earthing and a metering arrangement approved by the distribution utility. Solar modules produce DC electricity; the inverter converts it into grid-compatible AC electricity.
Import, Export & Net Metering Under Bihar Rules
When the solar system generates less electricity than the home is using, the balance can be drawn from the grid. When generation is higher than the home’s instantaneous use, eligible excess energy may be exported through the approved meter. The bill treatment depends on the applicable state regulations, DISCOM procedures and consumer category.
Anti-Islanding Safety & Power Cut Behaviour
One important safety feature is anti-islanding. A standard grid-tied inverter normally stops supplying power when the grid fails, protecting utility workers and the electrical network. Therefore, a conventional on-grid system does not automatically provide backup during a power cut. If backup is required, discuss a compatible hybrid inverter, battery and protected-load design with a qualified professional.
Pre-Installation Checks Before Selecting On-Grid Solar
Before installation, check the sanctioned load, roof feasibility, inverter compatibility, earthing, surge protection and the DISCOM’s application and meter process. The system should be commissioned and documented according to current technical and regulatory requirements.
Srishti Solar Energy helps customers understand on-grid rooftop solar options for homes and businesses in Patna and Bihar. The best design depends on the electricity bill, daytime load, roof space and whether the customer needs backup capability.
DISCOM Application Alignment Across North & South Bihar
Whether your connection falls under South Bihar (SBPDCL, including Patna) or North Bihar (NBPDCL), follow the official utility-specific net-metering guidelines and verify sanctioned-load compatibility before finalising your solar installation.
Verified Bihar Headquarters: SRISHTI SOLAR ENERGY, Near Mannat Enclave, Kailash Nagar, Bhupatipur Road, Mithapur, Patna, Bihar - 800020. • Phone: +91 8235441292 / +91 9304372912 • Email: srishti@srishtisolarenergy.in. Service availability, site-survey schedule, vendor compliance, and stock should be confirmed directly prior to booking.
Official Government & Policy References
Always verify current scheme guidelines, state allocations, eligibility, and DISCOM rules directly through official portals before placing an order:
Compare On-Grid vs Backup-Capable Solar Options
Ask Srishti Solar Energy to review your daytime vs night-time usage and outage requirements before you decide. Note: outputs from our interactive solar calculator are indicative estimates only; a site survey is required for final sizing.
Common Questions & Direct Answers
Published by Ritesh Kumar
Reviewed for factual solar and PM Surya Ghar accuracy by SRISHTI SOLAR ENERGY — Patna, Bihar & Dankuni, West Bengal. Last updated November 13, 2026.
Always confirm current DISCOM rules, subsidy eligibility, component availability, and written terms directly prior to installation.
