The electricity tariff for Q4 2026 is 31.16 cents per kWh including GST (28.59 cents before GST), down 10.4% from the previous quarter, SP Group announced on 30 September 2026. The new household rate applies from 1 October to 31 December 2026. SP Group said the average monthly bill for a 4-room HDB household falls by S$12.99 before GST.
The cut follows a sharp rise in July. SP Group also warned that tariffs are expected to go up again in the January to March 2027 quarter.
The short version: Household electricity from SP Group costs 31.16 cents per kWh with GST until 31 December 2026, down from 34.78 cents. Bills fall by about $13 a month for a 4-room flat. SP Group expects the next quarter’s tariff to rise because fuel prices climbed again from September.
The Electricity Tariff for Q4 2026 at a Glance
| Period | Before GST | With GST | Change |
|---|---|---|---|
| 1 Jul to 30 Sep 2026 | 31.91 cents/kWh | 34.78 cents/kWh | Up 17.0% |
| 1 Oct to 31 Dec 2026 | 28.59 cents/kWh | 31.16 cents/kWh | Down 10.4% (3.32 cents) |
Figures from SP Group’s tariff page and its quarterly releases. Across all customers, including non-households, the tariff falls by 10.6% on average.
In the July to September quarter, SP Group raised the household rate by 4.64 cents per kWh, adding $17.14 before GST to a 4-room HDB household’s monthly bill. It linked that rise to gas prices in April to mid-June, when global fuel prices were very high because of the Middle East conflict.
Why the Tariff Fell, and Why It May Rise Again
SP Group reviews the regulated tariff every quarter. SP Group links each revision mainly to energy costs, in particular the price of natural gas used to generate electricity.
For Q4 2026, SP Group said energy costs were lower, with natural gas prices falling between 1 July and 15 September 2026. But its release also said global fuel prices have risen since September 2026 because of escalating tensions in the Middle East, and that tariffs are expected to increase for the subsequent quarter.
The January to March 2027 tariff will be announced near the end of December. Plan your household budget for a higher rate from January rather than assuming the Q4 level holds.
What It Means for Your Bill
Illustration only. Your bill depends on your own consumption, shown in kWh on your SP Services bill.
- At 350 kWh a month, the energy charge is about $109 at the Q4 rate (350 x 31.16 cents) against about $122 at the Q3 rate: roughly $13 less.
- At 500 kWh a month, it is about $156 against $174: roughly $18 less.
These cover the electricity tariff only. Water, gas and refuse charges on the same bill are separate.
U-Save softens the bill too. Eligible HDB households receive double U-Save in October 2026 and January 2027, $150 each time for a 4-room flat. Our U-Save rebate guide lists every flat type.
Gas. SP Group’s tariff page lists the Q4 2026 gas tariff at 23.38 cents per kWh including GST (21.45 cents before GST).
If You Are With an Electricity Retailer
The SP tariff still matters, but in different ways depending on your plan:
- Fixed-price plans stay at the contracted rate until the contract ends. When the regulated tariff falls, a fixed price signed in a dearer quarter may now be above the SP rate. When it rises, the fixed price protects you.
- Discount-off-tariff plans apply a percentage discount to the SP tariff, so your rate falls and rises with it.
When your contract ends, it renews automatically unless you act. Under the Open Electricity Market rules, the renewed rate must be lower than the regulated tariff in force at the time of renewal, and from 19 June 2026 you can end an auto-renewed contract within 60 days without an early termination fee.
With a rise expected from January, this is a quarter when it is worth looking at how fixed-price and discount plans would compare. Our worked comparison of fixed-price vs discount electricity plans shows the maths, and our Open Electricity Market explainer covers how switching works.
What To Do Next
- Check your monthly kWh on your SP Services bill and multiply by the tariff to see your real electricity cost.
- If you are with a retailer, note your contract end date and your current rate, and compare it with the SP tariff.
- Expect a higher regulated tariff from January 2027 and leave room for it in our monthly budget planner.
- Look out for SP Group’s January to March 2027 announcement near the end of December.
