What is the difference between on-grid and off-grid solar?

On-grid: connected to DISCOM grid, uses net metering, shuts down during power cuts, no battery needed, lower cost. Off-grid: completely independent, battery storage required, works during cuts, higher cost, no net metering. Hybrid: grid-connected + battery backup, works during cuts, exports excess power, highest cost.

Which solar system type is best for Hyderabad homes in 2026?

On-grid is best for most Hyderabad homes — power cuts are infrequent in urban areas, and net metering maximizes ROI. Hybrid recommended if you have frequent power cuts (5+ hours/day) or critical loads (medical equipment, home office). Off-grid only for areas with no grid connection (remote farms/villages).

Does on-grid solar work during power cuts?

No — on-grid solar (and all PMSG-subsidized systems) automatically disconnects during grid outages for safety. This is mandatory (anti-islanding protection). For backup power during cuts, you need a hybrid system with battery. Battery adds ₹80,000–1,50,000 to system cost depending on capacity.

Is a hybrid solar system eligible for PM Surya Ghar subsidy?

Yes — hybrid solar systems (with battery) are eligible for PMSG subsidy, provided the panels and inverter are ALMM-listed. Subsidy is calculated on the solar system capacity (not battery). Battery cost is separate and not covered by the subsidy.

On-Grid vs Off-Grid vs Hybrid Solar — Which is Right for You?

Updated March 2026 | Sri Ishaan Solar

Quick Comparison

Feature	On-Grid	Hybrid	Off-Grid
Battery	No	Yes	Yes (large)
Works during power cut	No	Yes	Yes
Net metering	Yes	Yes	No
PM Surya Ghar subsidy	Yes	Partial	No
Cost (3 kW)	Rs 1.8-2.4L	Rs 3-4L	Rs 4-5.5L
Best for	Most homes	Frequent power cuts	No grid connection

Our Recommendation for Hyderabad

On-grid for 90% of Hyderabad homes. Power cuts are rare, and you get maximum subsidy + net metering savings. Only consider hybrid if your area has 2+ hour daily power cuts.

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📊 Three Solar Types — Detailed Comparison

Feature	On-Grid	Off-Grid	Hybrid
Grid connection needed?	Yes	No	Optional
Battery storage	No	Yes (mandatory)	Yes (optional)
Works during power cut?	❌ No	✅ Yes	✅ Yes
Net metering possible?	✅ Yes	❌ No	✅ Yes
PMSG subsidy eligible?	✅ Yes	❌ No	✅ Yes
5 kW system cost	₹2.72L (net)	₹5–₹7L	₹5.5–₹7.5L
Best for	Urban reliable grid	Rural no-grid	Frequent power cuts

🏙️ Hyderabad Recommendation Guide

మీ situation కి ఏ system best అవుతుందో:

On-Grid

Madhapur, Gachibowli, Kondapur, Jubilee Hills — reliable TSSPDCL supply, maximize bill savings

Hybrid

Uppal, Miyapur, LB Nagar, Secunderabad — 4–6 hr daily cuts, need backup + bill savings

Off-Grid

Farmhouses, rural Telangana, areas with no DISCOM meter — full energy independence

❓ System Type FAQ

On-grid system power cut లో ఎందుకు work చేయదు?

Anti-islanding protection regulation: grid down అయినప్పుడు solar automatically disconnect అవ్వాలి — otherwise linemen working on lines shock అవుతారు. This is a safety requirement, not a design choice. Hybrid inverter + battery = separate circuit for critical loads, bypass this limitation.

Hybrid system on-grid system కంటే ₹3L extra — worth అవుతుందా?

Power cuts frequency + duration calculate చేయండి. 4 hrs/day × ₹500 loss/day (business) = ₹60,000/year losses. Hybrid system ₹3L extra ÷ ₹60,000/year = 5 year recovery. Plus peace of mind. For households with medical equipment, work-from-home, business operations — hybrid clearly justified.

Last updated: May 2026