Reduce your commercial electricity OPEX with solar
Solar EPC for factories, warehouses and large electricity consumers — feasibility, engineering, DISCOM & CEIG approvals and turnkey execution under one accountable contract. If your facility pays ₹1 lakh+ a month for power, your roof is an unbuilt asset.
15+ years · 535+ projects · 18+ states · ISO 9001:2015 · Trusted by the Indian Army, Airtel, Dabur & Fortis
Industrial power is your fastest-rising fixed cost
Most industrial connections in Punjab, Haryana, Delhi NCR and UP pay ₹7–11 per unit once demand charges, fuel surcharges and time-of-day tariffs are counted — and tariffs move in one direction. A factory running a ₹5 lakh monthly bill spends ₹6 crore over ten years on electricity, most of it consumed in daylight hours when solar generates.
Rooftop solar converts that recurring OPEX into a one-time, depreciable asset you own. Typical C&I economics we engineer against: generation cost from your own roof in the ₹2.5–3.5/unit range over the plant's life, against a grid price of ₹7–11 — with payback commonly in 3–5 years and 25-year module warranties behind it.
Why we won't promise you a number today
Any EPC quoting savings before seeing your bills is guessing. Real economics depend on your tariff structure, daytime load share, roof condition and your DISCOM's net-metering rules — and North India adds a fog-season generation dip that honest models must include. We publish why industrial solar underperforms and what a real performance guarantee covers precisely because inflated projections are this industry's core disease.
Start with the calculator's indicative estimate; commission the free feasibility audit for a number an engineer will sign.
Commercial solar plant sizes at a glance
Indicative figures for North India at ~120 units/kW/month and current C&I EPC benchmarks. Final sizing needs a bill analysis and site survey.
| Plant size | Shadow-free roof | Est. generation | Indicative EPC cost* |
|---|---|---|---|
| 100 kW | ~10,000 sq.ft | ~12,000 units/mo | ₹40–50 L |
| 250 kW | ~25,000 sq.ft | ~30,000 units/mo | ₹1.0–1.25 Cr |
| 500 kW | ~50,000 sq.ft | ~60,000 units/mo | ₹2.0–2.5 Cr |
| 1 MW | ~1 lakh sq.ft | ~1.2 lakh units/mo | ₹4.0–5.0 Cr |
*Turnkey EPC range excluding taxes; varies with structure type, cabling runs and inverter class. Run your own numbers →
Facilities we engineer solar for
Factories & manufacturing
Daytime process loads are solar's best match — size against base load, bank the rest.
Warehouses & logistics
Huge roofs, light structures — structural verification decides the design here.
Cold storage
Round-the-clock compressor loads make every daylight unit count directly against the bill.
Hospitals
Solar + DG + grid switching engineered together — we build the electrical side too.
Hotels & institutions
High daytime HVAC loads; solar sized against chiller consumption, not brochure math.
Schools & campuses
Predictable day loads and large roofs — among the fastest paybacks we see.
From electricity bill to commissioned plant
Bill & load analysis
12 months of electricity bills, tariff structure, sanctioned load and daytime consumption profile — solar is sized to what you actually use, not what the roof can hold.
Site, structural & shadow survey
Roof structural adequacy, shading study and usable-area mapping. Old sheds get a structural verdict before a single panel is priced.
Engineering design
String sizing, DC/AC ratio, inverter selection, earthing and lightning protection, and grid-protection design your electrical inspector will actually pass.
Approvals — in parallel
Net-metering / open-access application, CEIG approval and DISCOM coordination filed alongside procurement, not after installation. Approvals are our core competence across MEPF.
Procurement & execution
ALMM-listed Tier-1 modules, named-brand inverters, in-house installation teams — the same teams that build our fire and electrical packages, under one project head.
Commissioning, net-metering & O&M
Synchronisation, meter installation, performance ratio verification at handover, and optional AMC with generation monitoring thereafter.
Why one contractor matters: we also build electrical substations, fire systems and HT/LT infrastructure — so solar integration, grid protection and CEIG approval are engineered by the team that does this for entire factories, not bolted on by a panel installer.
Engineering evidence you can read before you call
- Turnkey MEP + solar for Consern Pharma — one accountable contract across services and solar
- How we size solar against HVAC base load
- When an old roof can't take a solar plant — and what we do about it
- Net-metering timelines in UP, Punjab & Haryana — real, current, unsugared
- Why module choice is a bankability decision
27 solar engineering guides published and counting — written by the delivery team, not a content agency.
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Commercial solar questions, answered by engineers
What payback period can a commercial or industrial solar plant realistically achieve?
Most C&I rooftop projects we engineer in North India land in a 3–5 year payback band. Where you fall in that band depends on your tariff (₹7–11/unit for most industrial connections), how much of the generation you consume on-site, roof condition and DISCOM policy. Payback is a calculation, not a promise — run your numbers in our solar calculator, then let us verify them against 12 months of your electricity bills.
How much roof area does a commercial solar plant need?
Plan around 100 sq.ft of shadow-free roof per kW as a working figure — so roughly 10,000 sq.ft for 100 kW and about an acre of roof for 1 MW. Actual density depends on roof type, orientation and walkway/maintenance clearances. We confirm usable area with a structural and shadow survey before any design is priced.
Do you handle net metering and DISCOM approvals?
Yes — in-house, not through a liaison agent. Net-metering or open-access applications, load sanction checks, CEIG chartered-electrical-inspector approval and synchronisation with the DISCOM are part of our EPC scope. Approval timelines vary by state and DISCOM, which is why we file them in parallel with procurement instead of after installation.
Net metering, captive or open access — which is right for my facility?
It depends on your sanctioned load, state policy and consumption profile. Rooftop net metering suits most factories consuming their own generation. Above ~1 MW of demand, third-party or captive open-access solar can beat rooftop economics in some states. We model both against your bills before recommending either.
What size solar plant does my factory need?
Size to your daytime base load, not your roof. A plant sized purely to fill the roof can overshoot what net-metering rules or your consumption can absorb, stretching payback. We size against 12 months of consumption data, your sanctioned load and your DISCOM's banking rules — the same method covered in our sizing guides.
Do you provide O&M after commissioning?
Yes. Generation monitoring, scheduled cleaning regimes, inverter and string-level fault attendance, and annual performance reporting are available under AMC. A solar plant that isn't monitored quietly underperforms — module soiling and single-string faults routinely go unnoticed for months without it.
Pick your path
Solar for factories
The sizing logic — consumption, roof and DISCOM limits, with a worked ₹3 L/month example.
Industrial solar EPC
HT plants, DG interlocks, power quality — where integration engineering decides performance.
Solar EPC by state
Punjab · Haryana · Delhi NCR · UP · Rajasthan · HP · Uttarakhand
Get a feasibility answer this week
Send us a recent electricity bill and roof photos on WhatsApp — an engineer (not a salesperson) will tell you whether solar makes sense for your facility, and how much of it.
Estimate your facility's solar savings
60 seconds, no sign-up: enter your monthly bill and roof area, get an indicative system size, cost and payback.