Maharashtra Data Center Power Tariff 2026: Complete Breakdown

Maharashtra is India's largest data center market, with Mumbai alone hosting over 40% of the country's installed capacity. Understanding MERC (Maharashtra Electricity Regulatory Commission) tariffs is essential for any colocation operator or enterprise running facilities in the state.

Regulatory Alert (Feb 2026): The current tariff regime operates under MERC Review Order (Case No. 75 of 2025), which has been legally challenged and remanded by the Bombay High Court. Rates are operational but technically sub judice. A fresh order expected by mid-2026 could carry retrospective implications. Budget conservatively.

Quick Reference: Maharashtra HT Industrial Tariff (FY 2025-26)

Component	Rate	Notes
Base Energy Rate	₹8.68/kVAh	Apparent energy billing (MERC Case 75/2025)
Wheeling Charge	₹0.74/kVAh	All consumers including OA
Total Variable Cost	₹9.42/kVAh	Energy + Wheeling
Demand Charge	₹600/kVA/month	Per kVA of billed demand
FAC (Feb 2026)	₹0.72/kVAh	Absolute per-unit charge
Electricity Duty	9.30%	Maharashtra Electricity Duty Act 2016, Industrial Part F
Power Factor Threshold	0.90

Critical: kVAh Billing

Maharashtra bills on Apparent Energy (kVAh), not Active Energy (kWh). This means reactive power is billed at the same rate as useful power. There is no separate Power Factor penalty — instead, poor PF directly inflates your billed units.

PF 1.00: 1 kWh = 1 kVAh (no premium)
PF 0.95: 1 kWh = 1.053 kVAh (+5.3% cost increase)
PF 0.90: 1 kWh = 1.111 kVAh (+11.1% cost increase)

 Key Insight: Maintaining Unity Power Factor is the single most effective cost-reduction
    measure for Maharashtra data centers. Invest in Automatic Power Factor Correction (APFC) panels.

Time-of-Day (ToD) Tariff Structure

Maharashtra's ToD structure is designed to manage the "Solar Duck Curve" — surplus solar power during the day and a steep ramp-up requirement in the evening.

Time Slot	Hours	Adjustment	Effective Rate
Night Off-Peak	22:00 - 06:00	-₹1.50/kVAh	₹7.18/kVAh
Morning Normal	06:00 - 09:00	Base Rate	₹8.68/kVAh
Morning Peak	09:00 - 12:00	+₹0.80/kVAh	₹9.48/kVAh
Solar Hours	12:00 - 18:00	Base Rate	₹8.68/kVAh
Evening Peak	18:00 - 22:00	+₹1.10/kVAh	₹9.78/kVAh

 Night Rate Analysis: The -₹1.50/kVAh night rebate (22:00-06:00) is the most aggressive
    night incentive among major DC states. At ₹7.18/kVAh effective rate, industries that shift load to
    night hours can save 17% vs base rate and 27% vs evening peak.

Peak Hour Impact Analysis

For a typical 100-rack facility consuming 180 MWh/month with kVAh billing at PF 0.95:

40% peak consumption: Additional cost of ~₹5.4 lakhs/month vs all-normal
25% peak consumption: Additional cost of ~₹3.4 lakhs/month
Night-optimized (40% night): Savings of ~₹5.7 lakhs/month vs all-normal

Demand Charges: ₹600/kVA/month

Maharashtra's demand charge of ₹600/kVA/month is among the highest in India. Billing demand is the higher of:

Actual Recorded Maximum Demand (MD) in kVA
75% of the Contract Demand
50 kVA minimum

Capacity Utilization Warning: Industries with utilization below 75% pay a penalty on unutilized capacity. Ensure your contracted demand is right-sized. At ₹600/kVA, every 100 kVA of over-provisioning costs ₹60,000/month.

Bulk Consumption Rebates

MSEDCL offers rebates to retain large industrial consumers:

1 Lakh - 10 Lakh units/month: 2% rebate on energy charges
10 Lakh - 50 Lakh units/month: 1.5% rebate
50 Lakh+ units/month: 1% rebate

Additionally, a Load Factor Incentive rewards stable load profiles: 0.75% rebate per 1% improvement above 75% Load Factor (capped at 15%).

Billing Best Practices

Meter at rack level: Install smart PDUs to capture per-tenant consumption by time slot
kVAh awareness: Show tenants both kWh and kVAh consumption to highlight PF impact
Separate DG billing: Track grid vs DG consumption separately for accurate pass-through
Include all components: Energy + Wheeling + Demand + FAC + Duty + GST for full cost recovery
Legal reserve: Budget for potential retrospective true-up given MYT litigation

Try Our Calculator

Use our ToD Power Tariff Calculator to estimate your Maharashtra data center electricity costs based on your specific consumption pattern and power factor.

Compare Other States

Tamil Nadu Tariff Guide — Dual peak windows, 25% surcharge, 90% demand ratchet
Karnataka Tariff Guide — Lowest base rate at ₹6.60/kWh, symmetrical ToD
Telangana Tariff Guide — Winter rebate suspension, kVAh billing impact

Sources

MERC Case No. 75 of 2025 (Review Order)
MERC Case No. 217 of 2024 (Original MYT Order)
MSEDCL HT I(A) Industry (General) Schedule
Maharashtra Electricity Duty Act