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Diesel at ₹95–105 / litre

Shut down your diesel generator. For good.

Your DG set runs at ₹18–22/unit. Infozeb BESS + solar runs at ₹2–3/unit. For a 60 kW load, that is ₹15–20 lakh saved every year — and under 4 years to payback.

Calculate my DG savings →See the TCO breakdown

60 kW factory load · 8 h/day · diesel saved

₹16.8L / year

Just on diesel. Before adding maintenance, AMC, and CPCB CEMS instrumentation.

<4yr
Payback period
<20ms
Transfer time
The real cost

Your 60 kW DG set costs you ₹16.8 lakh every year. Just on fuel.

And that is before you count maintenance, oil changes, the ₹2–4 lakh CPCB CEMS instrumentation now mandatory for any DG above 62.5 kVA, and the reputational cost of fumes and noise.

Cost line · 60 kW load · 8 h/dayDiesel generatorInfozeb BESS + 80 kWp solar
Fuel (₹100/L × 17,520 L/year)₹17.5 lakh / year₹0
Maintenance + oil + AMC₹1.2 lakh / year₹35,000 / year
CPCB CEMS instrumentation (one-time + reporting)₹2–4 lakh + audit—
Effective cost per unit (₹/kWh)₹18–22₹2–3
5-year total cost₹95 lakh +₹10–14 lakh

Numbers assume diesel at ₹100/L, 8 hours/day operation, and a typical Indian MSME load profile. Your actual savings depend on tariff, daylight hours, and load pattern — use the calculator for a site-specific number.

Calculate my exact payback →Full TCO comparison
CPCB CEMS · enforcement active

Every DG above 62.5 kVA needs Continuous Emission Monitoring.

Add ₹2–4 lakh for instrumentation, plus ongoing third-party reporting and audits. Or skip the requirement entirely by replacing the DG with a BESS. State boards (HSPCB, MPCB, GPCB, TNPCB) are inspecting now.

Capex hit
₹2–4L

CEMS hardware + integration per DG

Ongoing
₹40–80k/yr

Third-party reporting + audits

Risk
Shut-down notice

If non-compliant during inspection

BESS path
₹0

Compliance burden eliminated

Sizing guide

Which Infozeb model replaces which DG?

Map your DG kVA to an Infozeb BESS. Most factories keep a smaller standby DG for multi-hour outages; the BESS handles 95% of everyday load.

01

Replaces · 30 kVA

IZ-30K-3P

Small factory unit, clinic, restaurant

02

Replaces · 60 kVA

IZ-60K-3P

MSME plant, 3-star hotel, mid-size hospital wing

03

Replaces · 120 kVA

IZ-120K-3P

Multi-line factory, 4-star hotel, full hospital

04

Replaces · 240 kVA

IZ-240K-3P

Large MSME, IT park floor, data centre row

05

Replaces · 480 kVA

IZ-480K-3P

Multi-tenant industrial, campus microgrid

Frequently asked

Operator questions, answered.

How fast does it switch over when the grid drops?
Grid-to-battery transfer is under 20 milliseconds — fast enough that no computer, server, refrigeration, or critical medical equipment notices. A typical DG ATS takes 5–10 seconds, long enough for elevators to stop and processes to interrupt.
What is the running cost of DG vs BESS in 2026?
A 60 kW DG burns ~15 L of diesel per hour at full load. At ₹100/L, that is ~₹18–22 per unit. An Infozeb BESS charged from solar plus trickle grid runs at ₹2–3 per unit — a 7–10× cost advantage.
Does BESS solve the CPCB CEMS compliance burden?
Yes. CPCB CEMS applies to DGs above 62.5 kVA (₹2–4L instrumentation + ongoing reporting). Replacing the DG with a BESS eliminates the requirement entirely. Even right-sizing the DG below 62.5 kVA helps.
How long is the payback for a commercial BESS?
Most MSME factories and hospitals running 30–240 kW loads reach payback in 3–4 years on BESS + solar. Sites that pay both demand charges and peak-rate diesel can hit payback in under 3.
Can we keep the DG as standby and use the battery primarily?
Yes — most common deployment. BESS handles 95% of outages and peak shaving; DG stays for multi-hour blackouts. Many sites then shrink the DG to a smaller backup unit, cutting both capital and maintenance cost.
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Stop burning diesel. Start burning numbers.

Send us your DG capacity →Use the calculator

220+ sites running · 14 MWh deployed · Made in Gurugram