Sikkim Electricity Bill Calculator 2026

Instantly estimate your Energy & Power Department (EPD) bijli bill using the official 2026 SSERC tariff — among the cheapest domestic power in India, thanks to hydro generation from the Teesta and Rangit rivers. Includes the unique phase-based fixed charge and 5% duty-on-total rule.

✓ ₹1.10/unit First Slab ✓ SSERC 2026 Tariff ✓ Single/Three-Phase ✓ 100% Free
₹1.10
First 50 Units/Month
₹4.10
Top Slab (>200u)
₹50 / ₹200
Single/Three-Phase Fixed
5%
Duty on Energy+Fixed
1 Utility
EPD — Govt. Department

EPD Sikkim Bill Calculator 2026

Enter your monthly units (kWh) and select your connection phase — Sikkim uniquely charges a flat fixed charge based on phase type rather than sanctioned load.

Enter Your Details

SSERC Tariff 2026 — All Sikkim districts

EPD tariff is identical statewide — this only labels your bill.
Most small households are single-phase; larger homes with heavier appliance loads often have three-phase connections.
Quick Presets (monthly units)
📋

Your Bill Breakdown

Slab-wise charge summary with all components

🏔️
Enter your units above
Your Sikkim bijli bill breakdown will appear here

Bill Breakdown Charts

🥧 Bill Component Distribution
📊 Slab-wise Energy Charges
📈 Bill Comparison Across Consumption Levels
⚡ Slab Rate Visual
Effective Rate / Unit (all charges included)
Based on your input

EPD — The Energy & Power Department, Government of Sikkim

Unlike most Indian states, Sikkim's electricity is not distributed by a corporatized DISCOM. The Energy & Power Department, Government of Sikkim (EPD) is itself the sole power distributor — a government department acting as a deemed licensee under the Electricity Act, 2003, directly responsible for generation, transmission and distribution across the entire state.

Sole Distributor

EPD — Government Department, Not a DISCOM

EPD operates across roughly 7,096 sq km and serves a population of around 6.08 lakh — making Sikkim one of the smallest and least populous states served by a single utility.

Regulator

SSERC — Sikkim State Electricity Regulatory Commission

Headquartered in Deorali near Gangtok, SSERC approves all tariff orders, renewable energy regulations, and net metering policy for the state.

Hydro-Rich

Teesta & Rangit Hydro Projects

Large hydroelectric projects like Teesta Stage V and the Rangit HEP generate far more power than Sikkim consumes, with surplus sold to the national grid — helping keep domestic tariffs low.

Sikkim Electricity Tariff 2026 — EPD Domestic & Commercial

Rates under SSERC's approved tariff schedule for the Energy & Power Department. Sikkim's domestic tariff is unusually cheap thanks to abundant hydroelectric generation.

🏠 Domestic — Metered Connections (Telescopic, 4 Slabs)

Units / Month (kWh)Rate (₹/unit)
1 – 50 units₹1.10/unit
51 – 100 units₹2.10/unit
101 – 200 units₹3.10/unit
Above 200 units₹4.10/unit
₹1.10/unit — genuinely one of the lowest first-slab rates in India: Even the top slab (₹4.10/unit above 200 units) sits below the starting slab of many other Indian states, a direct benefit of Sikkim's hydro surplus.

📋 Additional Charges (Domestic)

ChargeRateNotes
Fixed Charge — Single-Phase₹50/month (flat)Typical for small households — not based on sanctioned load in kW
Fixed Charge — Three-Phase₹200/month (flat)4x the single-phase charge — typical for larger homes/heavier appliance loads
Fuel Adjustment Charge (indicative)≈ ₹0.10/unitVariable surcharge component seen on many Indian tariffs; not separately itemised in all public Sikkim sources
Electricity Duty5% of (Energy + Fixed Charges)Applied to the combined total, not energy alone
Verified worked examples: A Namchi household on single-phase using 80 units/month: Energy = 50×₹1.10 + 30×₹2.10 = ₹118. Fixed = ₹50. Duty base = ₹168. Duty (5%) = ₹8.40. Total = ₹176.40. A Gangtok household using 220 units/month: Energy = ₹552. Fixed = ₹50. Duty base = ₹602. Duty (5%) = ₹30.10. Total = ₹632.10.

🏢 Commercial Rates — 2026 (Indicative)

Units / MonthRate (₹/unit)
1 – 100 units≈ ₹3.50/unit
101 – 300 units≈ ₹5.00/unit
Above 300 units≈ ₹6.50/unit

Commercial rates carry "significantly higher base rates and steeper phase-based capacity charges" per EPD notices, but exact published slab breakpoints were not accessible for this page — figures above are indicative. Commercial fixed charge is approximately ₹150/month single-phase or ₹400/month three-phase.

How to Calculate Your Sikkim Electricity Bill

The exact method EPD uses to compute your monthly bijli bill, explained with each charge component.

1

Read Your Meter

Note total units (kWh) consumed for the month. Sikkim domestic and commercial bills are billed monthly.

2

Apply Telescopic Slabs

1-50 units at ₹1.10, 51-100 at ₹2.10, 101-200 at ₹3.10, above 200 at ₹4.10 — each band charged at its own rate.

3

Add the Phase-Based Fixed Charge

₹50/month flat for single-phase, or ₹200/month flat for three-phase — regardless of actual units consumed.

4

Add Fuel Adjustment

An indicative ≈₹0.10/unit surcharge, similar to fuel/power-purchase adjustments used across most Indian tariffs.

5

Apply the 5% Duty — On the TOTAL

Add energy charges + fixed charge together, then apply 5% duty to that combined figure — not to energy alone.

6

Total Bill

Total = Energy + Fixed + Fuel Adjustment + Duty. Compare with your EPD bill to verify accuracy.

Worked Example — 220 units, single-phase (Gangtok): Energy = 50×₹1.10 + 50×₹2.10 + 100×₹3.10 + 20×₹4.10 = ₹552. Fixed = ₹50. Duty base = ₹602. Duty (5%) = ₹30.10. Total = ₹632.10/month (verified example).

Sikkim Electricity Bill Examples 2026

Estimated monthly bills at common consumption levels using EPD's domestic tariff. Higher-elevation areas like Lachen and Lachung see more winter heating load than Gangtok or Namchi.

50u
Very Low Use
≈ ₹110
Fully within ₹1.10 slab. Energy ₹55 + Fixed ₹50 + Duty ₹5.25
80u
Namchi Household
₹176.40
Verified example. Energy ₹118 + Fixed ₹50 + Duty ₹8.40
100u
Small Family
≈ ₹221
Energy ₹160 + Fixed ₹50 + Duty ₹10.50
150u
Typical Month
≈ ₹383
Energy ₹315 + Fixed ₹50 + Duty ₹18.25
200u
Larger Household
≈ ₹546
Energy ₹470 + Fixed ₹50 + Duty ₹26
220u
Gangtok Household
₹632.10
Verified example. Energy ₹552 + Fixed ₹50 + Duty ₹30.10
300u
Three-Phase
Larger Home
≈ ₹1,134
Energy ₹880 + Fixed ₹200 (3-phase) + Duty ₹54

Advantages & Disadvantages of Sikkim's Electricity Tariff System

✅ Advantages

  • ₹1.10/unit for the first 50 units is genuinely among the cheapest domestic rates anywhere in India.
  • Even the top slab (₹4.10/unit above 200 units) is lower than the starting slab in many other states.
  • Flat phase-based fixed charge (₹50 or ₹200) is simple to understand — no per-kW math required.
  • A single government department (EPD) manages the entire state, avoiding multi-DISCOM confusion.
  • Abundant hydro surplus, sold to the national grid, provides long-term price stability.
  • Monthly billing keeps individual payments smaller and more predictable than bi-monthly cycles.

⚠ Disadvantages

  • The 5% Electricity Duty is calculated on energy + fixed charges combined, not energy alone — a subtle but real extra cost.
  • Three-phase connections pay a flat ₹200/month fixed charge — 4x the single-phase rate — regardless of actual usage.
  • Commercial tariff breakpoints are not as clearly published as domestic rates.
  • Remote high-altitude areas (Lachen, Lachung, Dzongu) can face meter-reading and supply disruptions from landslides and heavy snow.
  • No widely publicised bulk free-unit subsidy scheme, unlike some neighbouring states.
  • Being a small state, there's limited competitive pressure or alternative service options if disputes arise.

12 Proven Ways to Reduce Your Sikkim Electricity Bill

🎯

Stay Under 50 or 100 Units If Possible

Small households can often stay within the ₹1.10 or ₹2.10 slabs entirely, keeping the energy portion of the bill minimal.

🔌

Think Twice Before Upgrading to Three-Phase

A three-phase connection quadruples your fixed charge (₹200 vs ₹50/month) — only upgrade if you genuinely need the higher capacity for heavy appliances.

🍳

Consider an Induction Cooktop

Given Sikkim's cheap hydro-powered electricity, induction cooking can be a cost-effective alternative to LPG for many households.

🔥

Use Efficient Room Heaters in Winter

Higher-elevation areas like Lachen and Lachung need more winter heating — oil-filled or ceramic heaters use less power than old-style bar heaters for the same warmth.

💡

Switch All Bulbs to LED

LEDs use 8-10W vs 40-60W incandescent — valuable during Sikkim's long monsoon and misty evenings when lighting runs for hours.

5-Star Inverter Appliances

5-star refrigerators and heaters use 25-30% less power, helping you stay in the cheaper slabs longer each month.

☀️

Solar for Remote Areas

For households in remote villages with less reliable grid access, small solar or micro-hydel systems can supplement EPD supply.

🔋

Eliminate Phantom Loads

TVs, set-top boxes and chargers left plugged in waste power year-round — use switchable power strips.

🧺

Air-Dry Laundry When Possible

Skipping the electric dryer during Sikkim's drier months (autumn, spring) saves meaningful power versus daily dryer use.

🌿

Leverage Natural Ventilation

Sikkim's cool mountain climate rarely needs air conditioning — natural ventilation and shade can handle most cooling needs.

🧊

Maintain Refrigerator Seals

Check door seals and avoid overloading — a well-maintained fridge in a cool climate uses noticeably less power.

📲

Track Usage Monthly

Since the tariff jumps at 50, 100 and 200 units, a quick mid-month meter check helps you project and adjust before the bill arrives.

Sikkim vs Other States — Electricity Bill Comparison 2026

See how your Sikkim bill stacks up against Himachal Pradesh, Arunachal Pradesh, Meghalaya, Nagaland and Tripura at the same monthly consumption level.

📊

Live State-by-State Bill Comparison

Adjust monthly units — all 6 states update instantly

Units / Month:
Note: Figures are approximate and for reference only — includes energy charges, surcharges, fixed charges and applicable duty. Assumes single-phase for Sikkim's phase-based fixed charge. Sikkim highlighted in forest green.
StateStarting RateTop Slab RateFixed ChargeNote
🏔️ Sikkim₹1.10/unit₹4.10 (>200u)₹50/mo (phase-based)5% duty on energy+fixed
🏞️ Himachal Pradesh₹1.60/unit₹6.00 (>300u)≈₹40/moAlso hydro-subsidised
🦚 Arunachal Pradesh₹2.00/unit₹5.50 (>200u)≈₹30/moFlat-rate model in parts
🌾 Meghalaya₹3.00/unit₹6.50 (>250u)≈₹30/moMeECL, monthly billing
🎋 Nagaland₹2.60/unit₹6.20 (>250u)≈₹35/moSimilar hill-state structure
🌸 Tripura₹3.20/unit₹6.80 (>300u)≈₹40/moTSECL, monthly billing

Sikkim Electricity Bill — Answered in Seconds

Unit Rate — Domestic 2026
ConsumptionRate
1–50 units₹1.10
51–100 units₹2.10
101–200 units₹3.10
Above 200 units₹4.10
80 Unit Bill Example (Namchi, Verified)
50u × ₹1.10 = ₹55
30u × ₹2.10 = ₹63
Energy = ₹118 | Fixed = ₹50
Duty base = ₹168 → Duty (5%) = ₹8.40
Total = ₹176.40 / month
Why is the Duty "on Total" not just Energy?

SSERC's 5% Electricity Duty is applied to energy charges + fixed charge combined. On a ₹168 base (₹118 energy + ₹50 fixed), that's ₹8.40 duty. If the duty applied to energy alone, it would only be ₹5.90 — a small but real difference.

Phase-Based Fixed Charge, Not Per-kW

Unlike states that charge fixed fees per kilowatt of sanctioned load, Sikkim charges a flat ₹50/month for single-phase or ₹200/month for three-phase connections — the same regardless of your exact load or usage.

All Charges in a Sikkim Electricity Bill Explained

All Sikkim Bill Components

ChargeRate
Energy Charges₹1.10–₹4.10/unit domestic (telescopic)
Fixed Charge₹50/month single-phase; ₹200/month three-phase
Electricity Duty5% — on ENERGY + FIXED combined
Fuel Adjustment (indicative)≈ ₹0.10/unit
Delayed PaymentSurcharge applies on overdue amounts

⚠ Delayed Payment Surcharge

Paying after the due date attracts a surcharge on the outstanding amount, and continued non-payment can lead to disconnection after the grace period noted on your bill.

🔌 The Three-Phase Premium

If your three-phase connection sits mostly idle, you're paying ₹200/month fixed versus the ₹50/month a single-phase connection would cost — check with EPD whether downgrading is possible if you rarely need the extra capacity.

🔌 Reconnection Charges

If disconnected for non-payment, reconnection involves clearing all arrears plus surcharge and a nominal reconnection fee set by EPD.

Sikkim Electricity Consumer Rights & Complaint Process

📞

Step 1: Contact EPD

Reach your local EPD sub-division office for billing errors, outages, or reconnection issues.

🏛️

Step 2: CGRF

File with the Consumer Grievance Redressal Forum (CGRF), mandated under the Electricity Act 2003, if the local office doesn't resolve your issue.

Step 3: SSERC Ombudsman

Escalate unresolved cases to the Electricity Ombudsman appointed by SSERC, which can order bill corrections, refunds and penalties.

Solar Rooftop & Net Metering in Sikkim 2026

Sikkim already runs largely on clean hydro power, so solar isn't essential the way it is in coal-heavy states — but net metering is available and especially useful for remote areas with less reliable grid access.

How Net Metering Works

Sikkim's Grid Connected Rooftop Solar Photovoltaic System Policy (notified by EPD and regulated by SSERC) allows surplus rooftop generation to be credited against your bill under net or gross metering arrangements. The Sikkim Renewable Energy Development Agency (SREDA), an autonomous body under EPD, promotes renewable energy uptake statewide, including a past target of 50 MW of grid-connected rooftop solar. The PM Surya Ghar scheme offers a subsidy of up to ₹78,000 for systems up to 3 kW. Given Sikkim's already-low ₹1.10-₹4.10/unit domestic rates, payback periods run longer than in high-tariff states — solar makes the most sense for remote villages with unreliable grid supply or for larger commercial/institutional loads.

Nodal Agency
SREDA
Regulator
SSERC
PM Surya Ghar (≤3kW)
Up to ₹78,000
Best Use Case
Remote Villages
🏔️ Grid Reliability in Remote Areas
For households in Lachen, Lachung, Dzongu and other remote high-altitude areas, small solar or micro-hydel systems can provide backup power when landslides or heavy snow disrupt EPD's grid supply.
Rooftop Solar Policy
Notified 2019
Grid Connected Rooftop Solar PV System Policy for Sikkim
Apply Rooftop Solar → SREDA Portal

Sikkim Electricity Tariff History

PeriodKey Change
1999Sikkim Renewable Energy Development Agency (SREDA) registered as a society to promote renewable energy statewide.
2014SSERC notifies the Grid Interactive Solar Power Regulations, laying groundwork for rooftop solar policy.
2016Sikkim declared India's first fully organic state — a milestone tied to the broader sustainable-development identity that also shapes its clean hydro power strategy.
30 August 2019SSERC notifies the Grid Connected Rooftop Solar Photovoltaic System Policy for Sikkim, targeting 50 MW of rooftop solar capacity.
2021SSERC notifies updated Renewable Purchase Obligation and Compliance Regulations.
Current ✅SSERC's approved tariff schedule sets the ₹1.10/₹2.10/₹3.10/₹4.10 domestic slabs, phase-based fixed charges and 5% duty-on-total rule in force for 2026.

Note: refer to sserc.in for archived tariff orders and exact historical slab rates.

Smart Meters in Sikkim 2026

Why Smart Meters Matter Here

Beyond removing manual meter-reading visits — which can be genuinely difficult in remote, high-altitude, landslide-prone areas of North Sikkim — smart meters give EPD accurate, real-time consumption data instead of estimated billing.

📍 Sikkim Smart Meter Rollout

EPD is deploying smart meters under the central Revamped Distribution Sector Scheme (RDSS), with Gangtok prioritised. Check with your local sub-division office for your area's status.

Benefits for Consumers

  • No estimated billing during monsoon/landslide-disrupted reading periods
  • Instant consumption data via app
  • Easier to track approaching the 50, 100 and 200-unit slab thresholds
  • Reduces disputes over usage in remote areas

Sikkim Electricity Facts That Affect Your Bill

₹1.10
Starting rate for the first 50 units — among the cheapest domestic power anywhere in India
1 Dept.
Sikkim's electricity is run by a government department (EPD), not a corporatized DISCOM
4x
Three-phase fixed charge (₹200) versus single-phase (₹50) — a flat multiple, not per-kW
6.08 Lakh
Approximate population served by EPD across roughly 7,096 sq km
5%
Electricity Duty — calculated on energy + fixed charges combined, not energy alone
Teesta V
Major hydroelectric project whose surplus generation helps keep Sikkim's tariffs low

Electricity Bill Calculators for All Indian States

⚠️

Important Note

This calculator provides an estimated bill based on SSERC's approved tariff schedule for the Energy & Power Department and publicly available, independently-verified worked examples. Actual bills may differ due to billing cycle rounding, the Fuel Adjustment Charge (shown as indicative since it is not itemised identically across all public sources), commercial slab breakpoints (also indicative), arrears, or special notifications.

For billing disputes or exact charges, contact EPD via power.sikkim.gov.in or the regulator at sserc.in.

Sikkim Electricity Bill — 30 Most Asked Questions 2026

Everything Sikkim consumers ask about bijli bills, EPD, the phase-based fixed charge, and how to reduce costs — answered comprehensively.

सिक्किम बिजुली बिल क्यालकुलेटर ⚡ २०२६

Nepali is Sikkim's most widely spoken official language, alongside Bhutia, Lepcha, Limbu and English.

सिक्किमको बिजुली दर २०२६ (SSERC अनुसार)

युनिट सीमा (मासिक)दर (₹/युनिट)
१ – ५० युनिट₹१.१०
५१ – १०० युनिट₹२.१०
१०१ – २०० युनिट₹३.१०
२०० युनिटभन्दा माथि₹४.१०

कुल हिसाब:

कुल बिल = ऊर्जा शुल्क + निश्चित शुल्क (सिंगल-फेज ₹५०, थ्री-फेज ₹२००) + ५% विद्युत शुल्क (ऊर्जा र निश्चित शुल्क दुवैमा)। ८० युनिटमा: ऊर्जा ₹११८ + निश्चित ₹५० = ₹१६८, शुल्क ₹८.४०, कुल = ₹१७६.४० (महिनाको लागि)

⚡ अहिले नै हिसाब गर्नुहोस्
✓ Verified — 02 August 2026
📋 Source: SSERC Approved Tariff Schedule
⭐ 4.8/5 (968 ratings)

About This Calculator — Accuracy & Data Sources

This Sikkim electricity bill calculator is maintained by electricbillcalculate.in. Tariff data is sourced from the Sikkim State Electricity Regulatory Commission (SSERC) approved tariff schedule for the Energy & Power Department, cross-verified against two independent worked bill examples (Namchi, 80 units and Gangtok, 220 units) which matched our calculated totals exactly.

Primary Source
sserc.in — SSERC Tariff Orders
Secondary Source
Energy & Power Dept. — power.sikkim.gov.in
Last Verified
— reviewed quarterly

🔗 Official Links

📝 Editorial Note: This page was researched and verified by the electricbillcalculate.in Editorial Team using SSERC's tariff schedule as the primary source, and cross-checked against two independently published worked bill examples that matched our formula exactly. Commercial slab breakpoints and the Fuel Adjustment Charge are clearly marked as indicative where exact published figures were not accessible. Last reviewed . If you spot an error, contact us — corrections published within 48 hours.
Rate this calculator
Click to rate
4.8/5 based on 968 user ratings

Calculate Your Sikkim Bijli Bill Now

Free, instant, accurate — using the latest 2026 SSERC tariff for EPD. No login required, no data saved.

✓ Free Forever✓ 2026 SSERC Tariff✓ EPD✓ No Login✓ Zero Ads