Off-Grid Solar Systems in India — Complete Guide

Off-grid solar is ideal for rural India, remote locations, or areas with unreliable grid supply. Unlike grid-tied systems, off-grid systems store all energy in batteries and work independently of the electricity grid.

Off-Grid vs Grid-Tied vs Hybrid

TypeWorks Without GridBattery NeededNet MeteringBest For
Off-GridYesYes (large)NoRemote/rural areas
Grid-TiedNoNoYesUrban areas, stable grid
HybridYesYes (smaller)YesUrban with power cuts

Off-Grid System Cost in India

System SizeBattery StorageTotal CostBest For
500W100Ah (1.2 kWh)₹35,000–₹55,000Basic lighting + fans
1 kW150Ah (1.8 kWh)₹60,000–₹90,000Small rural home
2 kW200Ah (2.4 kWh)₹1,10,000–₹1,60,000Medium home
3 kW400Ah (4.8 kWh)₹1,80,000–₹2,60,000Large home with AC

Sizing Your Off-Grid System

  1. Calculate daily load: List all appliances × hours used
  2. Add 20% buffer for losses and cloudy days
  3. Battery sizing: Store at least 2 days of consumption
  4. Panel sizing: Must charge batteries + meet daytime load

Government Support for Off-Grid Solar

  • MNRE off-grid program: 30–90% subsidy for BPL households
  • PM-KUSUM for farmers: Solar pumps with 60–70% subsidy
  • State-specific schemes for rural electrification

Best Off-Grid Solar Brands in India

  • Luminous: Most popular for rural India — excellent dealer network
  • Su-Kam: Pioneer in off-grid, strong presence in North India
  • UTL Solar: Good budget option, pan-India presence
  • Microtek: Affordable with good inverter range