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Open Electricity Market (OEM) is an initiative by the Energy Market Authority (EMA) to liberalise and open the electricity market to new players. For the end consumer, that means you enjoy more options and flexibility when buying electricity, with the end goal of lowering your monthly electricity bills.
From 1 November 2018 to 1 May 2019, the OEM was gradually rolled out nationwide to all consumers, mainly households, by zones. All households can now switch to their preferred OEM retailer and choose a price plan that best meets their needs. Alternatively, they can choose to stay with the incumbent provider, SP Group.
Currently, there are nine OEM retailers ( offering competitive pricing and promotions that help lower your monthly electricity bills.
Which is the best electricity retailer in Singapore?
Before choosing an OEM retailer, you need to understand how quarterly tariff prices are set by SP Power, and what factors contribute to price fluctuations. Then you can pick the plan that best suits how your household consumes electricity. There is also no pressure to switch to a new retailer if you’re undecided or are happy with the incumbent provider, SP Group.
There are three main types of OEM plans:
Fixed Price Plans
Discount Off Regulated Tariff Plans
The “best” electricity retailer really depends on your household’s electricity consumption. For example, if your household consumes electricity mostly during non-peak hours, you can take advantage of Peak/Off-Peak Price Plans. If your consumption is lower than the national average, check out the Discount Off Regulated Tariff Plan.
When choosing your electricity retailer, you don't always have to go for the cheapest option. Consider other factors such as credit card rebates, referral and promo codes, and each retailer's unique value proposition.
How are electricity tariffs calculated every quarter?
The tariff set by SP Services is reviewed each quarter and regulated by the Energy Market Authority (EMA) to reflect the actual cost of electricity. This tariff comprises two key components: fuel cost and non-fuel cost.
Fuel costs are tied to natural gas prices, which are indexed to oil prices by commercial contracts. These prices change depending on global market conditions. About 95% of Singapore's electricity is generated by imported natural gas, which means that the price of electricity is closely tied to global conditions and oil prices.
Non-fuel costs are the cost of generating and delivering electricity to homes, such as:
Power Generation Cost: the manpower and maintenance costs of running the power stations
Grid Charge: the cost of transporting electricity through the power grid
Market Support Services (MSS) Fee: the costs of billing and meter readings
Power System Operation and Market Administration Fees: costs related to operating the power system and administering the wholesale electricity market
Will my electricity supply be disrupted during the switch?
Your electricity supply will not be disrupted if and when you decide to switch OEM retailer. Regardless of who you buy your electricity from, your electricity supply will stay the same because the SP Group operates the national power grid and delivers electricity to consumers.
What happens if I change my mind after switching energy supplier?
In case you change your mind after switching from the SP Group to your current OEM retailer, your current OEM retailer will coordinate with the SP Group to make the switch. But take note of any terms and conditions for early termination charges on lock-in contracts when you sign up for a new OEM retailer.
How will I be billed for my electricity if I switch retailers?
Your billing arrangement depends on your chosen electricity retailer. If the retailer bills you directly, you should receive 2 utility bills every month: 1 for electricity, and 1 for water, gas, and refuse.
If your retailer bills you through SP Group, nothing much will change and you will get 1 consolidated bill covering electricity, water, gas, and refuse charges.
If you're unsure, check with your retailer on their billing arrangement.
Here's an example of a monthly statement from PUB (based on a two-adult household). You can see electricity and water services are consolidated into one statement, so if you switch retailers, the electricity services component will come as a separate statement.
A Fixed Price Plan offers a flat rate per kilowatt hour (kWh) for a designated lock-in or contract period – this flat rate can change once your contract is over. This is why some retailers are advertising longer lock-in periods as a way for you to ‘book’ lower promo rates.
During the lock-in period, your household is not subject to quarterly fluctuations that may be higher or lower than the regulated tariff over time.
If you prefer certainty over price fluctuations in your monthly bill, Fixed Price Plans may be the best choice for you.
Cheapest no-contract plans
Fixed Price (per kWh, incl. GST)
PacificLight Energy (9 To 9)
16.20¢ + 99.2¢ daily charge
PacificLight Energy (Easy Peasy)
29.15¢ + 50¢ daily charge
Cheapest fixed-price plans for 6-month contracts
Fixed Price (per kWh, incl. GST)
Geneco (Give Us A Try)
Union Power (Union Saver 6)
Cheapest fixed-price plans for 12-month contracts
Fixed Price (per kWh, incl. GST)
Geneko (Get It Fixed 12)
Seneko Energy (LifePower12)
PacificLight Energy (Savvy Saver)
Tuas Power (PowerFix12)
Keppel Electric (Fixed12)
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Cheapest fixed-priced plans for an 18-month contract
Fixed Price (per kWh, incl, GST)
Tuas Power (PowerFix18)
Cheapest fixed-price plans for 24-month contracts
Fixed Price (per kWh, incl. GST)
When choosing your electricity retailer, don’t always go for the cheapest option. Take into account other factors such as promotional rates, credit card rebates, referral codes, and each retailer’s unique value proposition.
You may find the latest promotions offered by the various electricity retailers (including credit cards promos) below.
For Senoko, you can use the promo code, 'SPRING60' for a one-time S$60 rebate if you sign up for their 24-month plans from now until 31 March 2023. What’s even better is that they have no hidden costs or transmission loss charges.
If you're a Citi credit card member, you can get up to S$90 rebate when you sign up for their 24-month plan and set up recurring bill payments during the promotion period from 3 Jan to 31 Mar 2023. Use the code: 'CITISPRING90'.
If you sign up for their 12-month plan, you can enjoy a one-time S$10 bill rebate with the promo code: 'CITISPRING10'. Both promotions are valid for the first 200 customers who sign up from 1 Jan to 31 Mar 2023. Read the T&Cs here.
You can also get a S$90 bill rebate off any of their 24-month plan with any Trust card by using the promo code: 'TBSPRING90'.
For HSBC credit card members, you get up to S$90 rebate when you sign up for any 24-month plan and S$10 off if you sign up for any 12-month plan with the promo code 'HSBCSPRING90' and 'HSBCSPRING10' respectively.
You'll need to set up recurring bill payment with your HSBC credit card by 28 Feb 2023 and be among the first 900 customers from 1 Jan to 31 Mar 2023.
Lastly, get up to S$90 bill rebate when you sign up with Senoko from 1 Jan 2022 to 31 Mar 2023 and set up recurring bill payments with your Trust Card. Use the code 'TBHOLS90' to enjoy S$90 off for any 24-month plan, and 'TBHOLS30' to get S$30 off your bill for any 12-month plan.
Genoko is currently offering a S$50 bill rebate and S$38 worth of eCapitaVoucher when you sign up with their 'Get It Fixed' 24-month plan from 1 Jan 2023 to 28 Feb 2023.
PacificLight is also offering up to S$133 electricity rebates for the first 100 sign ups for their 24-month plans. You'll get S$88 off with the code "GLOW88", a further S$20 off if you apply a referral code, and another S$30 discount if you set up recurring bill payments with an HSBC credit card.
For UOB card members, you'll enjoy S$100 off if you sign up for their 24-month plans and set up recurring bill payments. Use the code "UOB100".
If you're on an existing 24-month contract with PacificLight, you can get S$20 if you set up recurring bill payments with your UOB card.
On the other hand, DBS credit card holders can enjoy a S$68 bill rebate via Home & Living Marketplace if they sign up for their 24-month plan with the code 'DBS68'.
UOB card members can also enjoy a S$20 bill rebate when they set up recurring bill payments for the 24-month plan using the promo code 'UOB20', during the promotional period (from 1 Oct 2022 to 28 Feb 2023). Valid for the first 200 sign-ups only.
Currently, PacificLight is the only retailer that offers no-contract plans.
The first is the '9 To 9' plan, where you pay a fixed rate of 16.20 cents/kWh (+99.92 cents daily) from 9pm to 9am, and 43.20 cents/kWh (+99 cents daily) from 9am to 9pm.
The other is the 'Easy Peasy' plan; inclusive of GST, you pay a fixed rate of 29.15 cents/kWh (+50.22 cents daily fee). You do need to pay a security deposit though, and the amount is dependent on your residential home type (e.g. 2-room flat, condo, semi-detached, etc.). You may read the full terms here.
Best 6-month fixed-price plan: Geneco
If you’re not ready for a long-term contract and want to lock in potential savings from any fluctuations in quarterly tariff prices, sign up for Geneco's 6-month fixed price plan for a low fixed rate of 31.17 cents/kWh.
Best 12-month fixed-price plan: Senoko Energy and Geneco
Both Geneco and Senoko Energy offer the best 12-month fixed price plans with a fixed rate as low as 30.98 cents/kWh.
Best 18-month fixed-price plan: Tuas Power
If you want a plan that's between 12 months and 24 months, you can opt for the 18-month plan from Tuas Power. It's currently priced at a fixed rate of 31.16 cents/kWh (inclusive of GST).
Best 24-month fixed-price plan: Senoko Energy and Geneco
The best 24-month fixed price plan is also with Senoko and Geneco, at 31.41 cents/kWh and 30.80 cents/kWh respectively.
Best Discount Off Regulated Tariff Plans in Singapore 2023
Discount Off Regulated Tariff plans offer a discount off the prevailing regulated tariff price set by the SP Group, which is revised every quarter. If you are okay with your electricity rates changing every quarter -- so long as it's below the regulated tariff -- this could be the best plan for you.
Peak and Off-Peak Plans are non-standard price plans that allow consumers to pay their preferred price for electricity usage depending on the time of day. They can vary between the fixed-rice or discount-off-regulated-tariff models, but the main beneficiaries are households that consume most of their electricity during off-peak hours like the evenings, early morning hours or weekends.
However, there are no available off-peak plans currently.