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Sikkim • Effective 2025-04-01

Sikkim Power Per Unit Electricity Rate (2026)

Energy & Power Department, Government of Sikkim. Domestic per-unit rates from ₹1.60 to ₹4.20 per kWh — plus commercial and industrial slabs, FAC and duty. Latest SERC-approved tariff.

Slab 1 rate

₹1.60

first 100 units

Top slab

₹4.20

per unit

Eff. @ 100u

₹2.09

all-in /unit

Full Sikkim Power bill calculator All Sikkim rates

Sikkim Power domestic slab rates

Energy charge per unit — the headline price you see on your bill. Excludes fixed, FAC and duty.

Slab (units / month) Energy rate (₹/unit)
1 – 100 ₹1.60
101 – 300 ₹2.80
301 – 500 ₹3.70
Above 500 ₹4.20
Fixed charges
₹15/kW/mo
FAC / FPPCA
—
Electricity duty
10%
Telescopic
Yes

Commercial (LT) per-unit rates

For shops, offices and small businesses on a LT-2 / commercial connection.

Slab (units / month) Energy rate (₹/unit)
1 – 100 ₹4.50
101 – 300 ₹5.50
Above 300 ₹6.50
Fixed charges
₹50/kW/mo
FAC / FPPCA
—
Electricity duty
10%
Telescopic
Yes

Industrial (LT) per-unit rates

For LT industrial consumers — typically a flat per-unit rate.

Slab (units / month) Energy rate (₹/unit)
Above 0 ₹4.50
Fixed charges
₹80/kW/mo
FAC / FPPCA
—
Electricity duty
10%
Telescopic
No

Effective Sikkim Power per-unit rate by consumption

All-in rate (energy + fixed @ 2 kW + FAC + duty) at common monthly consumption levels. Excludes subsidy.

At 50 units/month

₹2.42

≈ ₹121 bill

At 100 units/month

₹2.09

≈ ₹209 bill

At 150 units/month

₹2.42

≈ ₹363 bill

At 200 units/month

₹2.59

≈ ₹517 bill

At 300 units/month

₹2.75

≈ ₹825 bill

At 500 units/month

₹3.28

≈ ₹1,639 bill

At 1000 units/month

₹3.95

≈ ₹3,949 bill

For your actual figure with your sanctioned load and subsidy eligibility, use the Sikkim Power bill calculator.

About Sikkim Power tariff structure

Energy & Power Department, Government of Sikkim bills domestic consumers using a telescopic slab structure. Each slab applies only to the units within that range, so adding a few more units never reprices your earlier (cheaper) units.

Beyond energy charges, the Sikkim Power bill includes a fixed charge of ₹15/kW/month on your sanctioned load, an FAC pass-through of ₹0.00/unit (revised monthly), and Sikkim electricity duty of 10%.

We verify Sikkim Power rates against the latest SERC tariff order quarterly. Last verified: 2026-04-22. Original source: official tariff order.

Sikkim Power per-unit rate — common questions

Answers to the most common electricity bill questions in India.

What is the per unit electricity rate of Sikkim Power in 2026?
Sikkim Power domestic energy charges start at ₹1.60/unit for the first 100 units and rise to ₹4.20/unit at the highest slab. Slabs are telescopic — only units within each slab are billed at that rate. See the full slab table on this page. Effective 2025-04-01.
How much will 1 unit of electricity cost on my Sikkim Power bill?
1 unit (1 kWh) is billed at the slab rate that applies to your monthly consumption — starting at ₹1.60/unit. The effective rate on your bill is higher because of fixed charges (₹15/kW), FAC, and electricity duty (10%). At a 100-unit monthly consumption, the all-in rate is roughly ₹2.09/unit.
What is the commercial per-unit rate for Sikkim Power?
Sikkim Power commercial (LT) energy charges start at ₹4.50/unit and go up to ₹6.50/unit. Commercial fixed charges are ₹50/kW/month — typically higher than domestic. Industrial (LT) is usually a flat ₹4.50/unit.
What is the FAC and electricity duty for Sikkim Power?
Sikkim Power currently passes through ₹0.00/unit as Fuel Adjustment Charge (FAC / FPPCA — varies monthly). Sikkim electricity duty is 10% on the energy + fixed + FAC base. These add to your effective per-unit cost beyond the headline slab rate.
How often does Sikkim Power change its per-unit rates?
Slab rates are revised through the annual SERC tariff order — typically effective from 1 April each financial year. The current Sikkim Power rates are effective from 2025-04-01. FAC is revised more frequently (often monthly) to reflect fuel cost movements.