Resources
Tools that answer. Guides that don't waffle.
Built by the team that runs an eighty-plus-set fleet — every calculator shows its formula and its source, and every guide says the quiet parts about costs and compliance out loud.
Tools
kVA sizing calculator
Enter your load list, mark how each motor starts, get a rating off the real fleet ladder — sized for starting surge, not just the sum.
Open the toolStack height calculator
The CPCB exhaust-stack formula, straight from the notification — enter the rating and building height, get the required stack height.
Open the toolCPCB IV+ compliance checker
Does the emission norm bite your site? A decision-tree checker with every claim tied to a primary source — gazette, not hearsay.
Open the toolGuides
Technical
Is your site actually ready for the DG set?
The site checklist before your genset arrives: clearances, ventilation, foundation, exhaust, day tank and earthing — from Cummins' installation bulletin.
Read the guideMaintenance
Alternator stator rewinding: when to rewind, when to replace
When to rewind a failed alternator stator and when to replace it: meggering and PI evidence, execution risks, and a 1250 kVA rewind from the field.
Read the guideCompliance
CPCB II vs CPCB IV+ vs RECD: which one applies to your generator?
CPCB II, CPCB IV+ and RECD are three separate regimes. One decision table shows which one binds your DG set — what you own, what you buy, where it runs.
Read the guideCompliance
CPCB IV+ norms explained: what changed, who it binds, and what it costs
What CPCB IV+ means for diesel gensets: the gazette trail, what changed vs CPCB II, the 800 kW boundary, the supply window, and real cost impacts.
Read the guideTechnical
Cummins vs Kirloskar: an honest comparison from a dealer who services both
An Associate Dealer of Cummins Powerica that services Kirloskar under AMC compares both brands honestly: ranges, CPCB IV+, networks, and how to choose.
Read the guideTechnical
Data centre commissioning power: load bank testing and temporary supply
Why data centre builds run on rented generators before the permanent plant is live: L1–L5 commissioning, load bank testing, and synchronised DG banks.
Read the guideCompliance
The 2026 DG owner's compliance calendar: every deadline in one place
Every DG set emission norms deadline in India as of 2026 — CPCB IV+, RECD, noise and stack dates in one calendar, plus GRAP rules and a quarterly checklist.
Read the guideCosts
What's actually included in a DG rental contract — and who pays for diesel
Line by line through a DG rental work order: what the rent covers, who pays for diesel, deposit and GST mechanics, operators, and the breakdown SLA.
Read the guideMaintenance
A, B, C and D checks explained: the complete DG maintenance ladder
What A, B, C and D checks on a DG set cover, what triggers each — running hours and calendar time — and how the check ladder maps to your AMC scope.
Read the guideCompliance
DG set noise norms: 75 dB(A), acoustic enclosures, and how to actually pass
India's 75 dB(A) noise limit for DG sets: who it binds, type approval and CoP certification, 25 dB(A) acoustic enclosures, and zone-wise ambient limits.
Read the guideTechnical
DG synchronising panels and AMF: when you need them, and how SITC actually works
What an AMF panel does, when a DG installation needs a synchronising panel instead, and what SITC — supply, installation, testing, commissioning — covers.
Read the guideSizing
Powering a warehouse: the backup power guide for logistics operators
What a warehouse generator must power, why conveyor DOL starts set the kVA, siting and noise rules for warehouse parks, and when renting beats buying.
Read the guideTechnical
Prime vs standby vs continuous rating: why your 500 kVA isn't always 500 kVA
ESP, PRP, LTP and COP under ISO 8528-1 — hour caps, load factors and the 10% overload rule — and why a prime-rated 500 kVA isn't a standby 500.
Read the guideTechnical
DG AMC for bank branches: what RBI-grade standby power involves
Why bank standby power is different — security-controlled installs, statutory compliance, audit-grade records, and the DG AMC terms branch networks need.
Read the guideTechnical
DEF in CPCB IV+ gensets: the owner's guide nobody wrote
What DEF/AdBlue is, which CPCB IV+ DG sets actually need it, tank sizes per rating, and the mistakes that void warranties — from an 80-set fleet team.
Read the guideCompliance
DG exhaust stack height: the CPCB formula, from the actual source
The CPCB stack-height formula H = h + 0.2√kVA explained with its actual source, worked examples, the separate >800 kW rule, and a 30 m RBI case study.
Read the guideSizing
What size generator do I need? The India kVA sizing guide
How to size a diesel generator in kVA: the 0.8 PF rule, motor starting current, headroom and wet stacking — worked examples plus a free calculator.
Read the guide