Bihar Solar Knowledge Base

Solar Energy & Subsidy Guides

Factual, comprehensive resources to help Bihar homeowners and businesses make informed decisions on rooftop solar, costs, and subsidies.

3 kW Solar System Price in Bihar (2026): Subsidy, Cost Breakdown & Savings
Pricing & Costs
August 15, 20266 min read

3 kW Solar System Price in Bihar (2026): Subsidy, Cost Breakdown & Savings

Comprehensive guide to 3 kW on-grid solar system cost in Bihar, PM Surya Ghar subsidy of ₹78,000, net-metering guidelines, and monthly bill savings.

5 kW Solar System Price in Bihar: Cost, Subsidy & Commercial Payback
Pricing & Costs
August 10, 20266 min read

5 kW Solar System Price in Bihar: Cost, Subsidy & Commercial Payback

Detailed cost breakdown for 5 kW rooftop solar in Bihar. Understand equipment specs, generation output of 600+ units/month, and return on investment.

PM Surya Ghar Muft Bijli Yojana in Bihar: Step-by-Step Subsidy Guide (2026)
Subsidy & Govt Schemes
August 01, 20267 min read

PM Surya Ghar Muft Bijli Yojana in Bihar: Step-by-Step Subsidy Guide (2026)

Everything you need to know about applying for PM Surya Ghar subsidy in Bihar. Eligibility criteria, required documents, DISCOM portal steps, and verification.

How Much Solar Capacity Do I Need for a ₹5,000 Electricity Bill in Bihar?
Technical Guides
July 28, 20265 min read

How Much Solar Capacity Do I Need for a ₹5,000 Electricity Bill in Bihar?

Detailed calculation showing how to choose the right solar system size for a ₹5,000/month electricity bill in Bihar, including unit consumption and ROI.

How Solar Net Metering Works in Bihar: Billing, Bi-Directional Meters & Rules
Technical Guides
July 20, 20266 min read

How Solar Net Metering Works in Bihar: Billing, Bi-Directional Meters & Rules

Understand how on-grid solar net-metering works with NBPDCL and SBPDCL in Bihar. How surplus units are credited and adjusted in your monthly power bill.

NBPDCL & SBPDCL Solar Net Metering Guide: Rules, Feasibility & Steps
Subsidy & Govt Schemes
July 14, 20266 min read

NBPDCL & SBPDCL Solar Net Metering Guide: Rules, Feasibility & Steps

Detailed walkthrough of Bihar’s power distribution companies (North Bihar NBPDCL & South Bihar SBPDCL) for rooftop solar connectivity, sanction loads, and inspections.

How Much Roof Area Is Needed for Solar in Bihar? Space & Structural Guide
Technical Guides
July 05, 20265 min read

How Much Roof Area Is Needed for Solar in Bihar? Space & Structural Guide

Calculate exact rooftop area needed for 1kW, 2kW, 3kW, 5kW, and 10kW solar panels in Bihar. RCC roofs, tin sheds, and elevated structure options.

Solar for Commercial Shops & Showrooms in Bihar: Cut Commercial Tariffs
Commercial Solar
June 25, 20265 min read

Solar for Commercial Shops & Showrooms in Bihar: Cut Commercial Tariffs

How retail shops, supermarkets, and commercial showrooms in Bihar can slash high commercial electricity bills (₹8-10/unit) with rooftop solar.

Solar for Schools, Colleges & Hospitals in Bihar: Reliable Green Energy
Commercial Solar
June 18, 20266 min read

Solar for Schools, Colleges & Hospitals in Bihar: Reliable Green Energy

Institutional rooftop solar for healthcare facilities and educational campuses in Bihar. Uninterrupted power, zero diesel generator noise, and ESG compliance.

The Complete Rooftop Solar Guide for Bihar Homeowners (2026 Edition)
Technical Guides
June 10, 20267 min read

The Complete Rooftop Solar Guide for Bihar Homeowners (2026 Edition)

A comprehensive, beginner-friendly handbook for homeowners in Bihar exploring rooftop solar for the first time. Step-by-step from survey to subsidy.

Rooftop Solar Installation Cost in Bihar: Itemized Hardware & Labor Pricing
Pricing & Costs
June 01, 20266 min read

Rooftop Solar Installation Cost in Bihar: Itemized Hardware & Labor Pricing

Transparent itemized breakdown of solar system costs in Bihar: panels, inverters, structures, cables, earthing kits, labor, and net-metering charges.

10 kW Solar System Price in Bihar: Industrial & High-Load Commercial Guide
Pricing & Costs
May 20, 20266 min read

10 kW Solar System Price in Bihar: Industrial & High-Load Commercial Guide

Complete 10 kW rooftop solar guide for hospitals, hotels, factories, cold storages, and large residential estates in Bihar. Three-phase system economics.