Learn: electricity, prepaid metering & energy saving
Practical, engineer-written guides on PG prepaid billing, commercial energy audits, HVAC optimisation, power factor, kVAh billing and IoT-driven electricity saving. Free and India-specific — built on data from 2,000+ real Enlog deployments.
Encharge & PG billing
Prepaid electricity meter
A prepaid electricity meter lets tenants, PGs and co-living owners pay for power upfront — like a mobile recharge. Here's how it works, who needs it, and how to choose one.
8 min read · Updated 2026-04-10
Reduce PG electricity bill
PG electricity bills can eat 20–30% of revenue. Learn the exact playbook PG owners use to cut bills and recover 100% cost from tenants — fairly and automatically.
9 min read · Updated 2026-04-08
Smart vs traditional meter
Smart meters read, report and control electricity consumption remotely. Traditional meters only spin. Here's the full comparison for PG owners, offices and homes.
7 min read · Updated 2026-04-07
Common area billing PG
Corridors, lifts, pumps, gyms — who pays? Learn the fair, transparent way PGs split common-area electricity bills among tenants using room-wise prepaid meters.
6 min read · Updated 2026-04-05
Landlord tenant billing
Everything a landlord needs to know about billing tenants fairly for electricity — legality, tariff, meters, prepaid apps, disputes, and what to put in the rent agreement.
8 min read · Updated 2026-03-25
Sub metering
Sub metering means measuring electricity per room/tenant/area. Learn when it’s needed, how it’s installed, and how prepaid billing works for PGs and co-living.
7 min read · Updated 2026-04-21
Prepaid metering PG
A step-by-step guide to set up prepaid metering for PGs/co-living: room meters, common-area split, tariff mapping, tenant recharges, and dispute-proof receipts.
9 min read · Updated 2026-04-21
Energy saving
Save electricity in hotels
Hotels spend 3–6% of revenue on electricity. A data-driven playbook combining HVAC, guest-room automation, chiller optimisation and IoT metering typically cuts 20–35%.
9 min read · Updated 2026-04-02
HVAC optimization
HVAC is 40–60% of every commercial electricity bill. Here are the 12 proven optimisation techniques for offices, hotels, hospitals and malls, ranked by impact.
10 min read · Updated 2026-04-01
BEE 5-star vs IoT
BEE 5-star ratings cut consumption per device. IoT energy management cuts how and when devices are used. Combine both for audit-grade savings without guest discomfort.
6 min read · Updated 2026-03-18
Energy audit
How to do energy audit
An energy audit maps every kWh your building consumes. Learn the 7-step professional audit process used for hotels, malls, offices, hospitals and factories in India.
10 min read · Updated 2026-04-06
LT panel meaning
LT panel (Low Tension panel) is the 415V distribution heart of most buildings. Learn components, feeder types, metering, and common safety checks for facility teams.
7 min read · Updated 2026-04-21
Automation & IoT
Power factor correction
Poor power factor quietly inflates electricity bills by 5–20%. Here's how PF works, how to measure it, and how APFC panels and IoT meters fix it.
7 min read · Updated 2026-03-28
IoT energy management
IoT converts a building from a monthly bill into a real-time data stream. Here are the top 10 IoT energy management use cases proven in India across PG, hotel, mall, office and factory.
8 min read · Updated 2026-03-26
Occupancy sensors
Occupancy and motion sensors switch lights, AC and fans off when rooms are empty. Corridors, bathrooms, meeting rooms and hotel rooms all benefit. Here's how to plan a retrofit.
6 min read · Updated 2026-03-12
APFC panel
An APFC panel automatically maintains good power factor using capacitor steps. Learn APFC meaning, components, detuned filters, and when it reduces kVAh billing.
7 min read · Updated 2026-04-21
Tariffs & billing
VRV/VRF billing
VRV/VRF systems serve many zones from one outdoor unit — billing each zone is tricky. Here's how modern IoT metering attributes VRV consumption per room or per tenant.
7 min read · Updated 2026-04-04
3-phase vs 1-phase billing
Most PG rooms are single-phase, but heavy common loads and VRF are three-phase. Here's how to meter and bill both correctly — kWh, kVAh and power factor.
7 min read · Updated 2026-04-03
kWh vs kVAh
Residential bills are kWh, commercial bills are often kVAh. The difference is power factor, and it can add 10–20% to your bill if you don't know what to fix.
5 min read · Updated 2026-03-15
kVAh formula
kVAh is common on commercial electricity bills in India. Learn the kVAh formula, how PF changes billed units, and what to do if you’re paying extra.
6 min read · Updated 2026-04-21
Maximum demand (MD)
Maximum demand (MD) is your peak kW/kVA in a billing cycle and often drives demand charges. Learn MD meaning, how it’s measured, and how buildings reduce it.
7 min read · Updated 2026-04-21
Sanctioned load
Sanctioned load is the utility-approved capacity for your connection. Learn how it’s defined, how exceed penalties work, and when to apply for load enhancement.
6 min read · Updated 2026-04-21
PF penalty calculation
Learn how power factor penalty is applied in Indian tariffs, typical PF thresholds (0.9/0.95), and how APFC panels + monitoring eliminate penalties.
7 min read · Updated 2026-04-21
Net metering
Net metering lets rooftop solar export to the grid and get credited against import. Learn how billing settlement works in India and what to watch out for in tariffs.
8 min read · Updated 2026-04-21
1 unit electricity
In India, 1 unit of electricity usually means 1 kWh. Learn the meaning, how to compute bill from units, and why commercial bills may show kVAh instead.
6 min read · Updated 2026-04-21
Products
DG fuel theft monitoring
DG fuel theft and inefficiency silently eats 8–15% of backup power cost. Learn the IoT-based detection methods used by hotels, hospitals, telcos and malls in India.
7 min read · Updated 2026-03-30
Water motor controller
A smart water motor controller stops dry running, over-current trips, and prevents overflow — saving water, electricity and pump life. Here's what to look for.
6 min read · Updated 2026-03-20
DG units per litre
Learn how to calculate DG units per litre (kWh/L), what a good value looks like, and why low-load DG runs waste fuel. Includes quick formula and examples.
6 min read · Updated 2026-04-21