EST. 2021 · INDIA
SOLAR ENERGY
RENEWRAY
SOLAR

Harnessing the Sun. Powering the Future.

Off-grid solar · Battery storage

Power that never
goes dark.

Fully independent battery-backed solar for weak grids, remote sites, and critical loads. We size storage honestly — for your real load curve, not a marketing spec sheet.

0%
Grid independence possible
0/7
Power availability
0 yrs+
LFP battery design life
0%
Diesel displacement typical
Why off-grid

When disconnecting from the grid makes sense

Off-grid isn't for everyone — but when grid extension is expensive or unreliable, standalone solar with honest battery sizing wins on total cost of ownership.

0G

Zero grid dependency

Completely standalone — your system generates, stores, and supplies power entirely from solar and batteries. No grid connection required, no outage risk.

DG

Replaces diesel generators

Off-grid solar eliminates the Rs 18–25/unit effective cost of diesel generation with Rs 2–4/unit solar — without the noise, fumes, or refuelling logistics.

RM

Built for remote sites

Agricultural pumps, farm houses, remote estates, and forest bungalows — anywhere grid extension costs Rs 5–15 lakh per km, off-grid solar wins immediately.

SZ

Honest storage sizing

We size batteries to your real load curve, not a marketing number. You get autonomy for the hours you actually need, without paying for capacity you'll never cycle.

Off-grid solar installation at a remote site
Battery guide

Choosing the right storage chemistry

Not all batteries are equal. We help you choose the right chemistry for your site's load profile, budget, and temperature range — and we put it in writing.

01

LFP (Lithium Iron Phosphate)

Recommended
Cycle life
3,000–6,000+
Usable DoD
90–95%
Temp range
−20°C to 60°C

Our recommended choice. Best cycle life, safest chemistry, lowest 10-year cost.

02

Lead-acid (Tubular/VRLA)

Budget option
Cycle life
500–1,200
Usable DoD
50–60%
Temp range
15°C to 45°C

Lowest upfront cost. Suitable for smaller loads or budget-constrained sites.

03

NMC Lithium-ion

Space-efficient
Cycle life
1,500–2,500
Usable DoD
80–90%
Temp range
0°C to 45°C

Higher energy density in compact form. For space-constrained installations.

Who it's for

Common off-grid applications we design for

From agricultural pumps to eco-resorts — we size every off-grid system to the actual load curve, not a generic brochure spec.

AG

Agricultural pumping

Solar-powered water pumps for irrigation — no grid line required, no per-unit tariff.

FH

Farm houses & villas

Weekend homes and estates where grid power is unreliable or unavailable.

RS

Remote research sites

Telecom towers, weather stations, and monitoring installations in off-grid zones.

CS

Construction sites

Temporary power for construction camps without expensive DG fuel logistics.

CR

Critical backup loads

Medical clinics, cold chains, and data closets that cannot tolerate outages.

EC

Eco resorts & camps

Silent, emission-free power for eco-tourism properties that value sustainability.

Compare topologies

Off-grid vs hybrid vs on-grid

Each topology has a different cost profile and backup capability. We help you pick the one that matches your site — not the one with the biggest brochure.

OF

Off-grid

Fully independent. No grid reliance. Best for remote sites and weak grids.

This page
HY

Hybrid

Grid + backup battery. On during cuts, exports when sunny. Best for urban/semi-urban.

Learn more →
OG

On-grid

Lowest cost. Subsidy-eligible. Best payback for stable-grid homes.

Learn more →
Get started

Need a fully independent power supply?

Tell us about your site, load requirements, and grid situation. We'll design a properly-sized off-grid system — with honest battery autonomy numbers.

Transparent Pricing25-Year WarrantyPM Surya Ghar PartnerEngineered RightInstalled RightBacked for LifeTransparent Pricing25-Year WarrantyPM Surya Ghar PartnerEngineered RightInstalled RightBacked for Life