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Top 10 Most Popular FAQs
How is the electricity tariff determined?
There are two key components of the electricity tariff: fuel cost and non-fuel cost.
The fuel cost component for each quarter is calculated using the average of daily natural gas prices in the first two-and-a-half month period in the preceding quarter.
The non-fuel cost component reflects the cost of generating and delivering electricity to homes. It comprises mainly the grid charge, and the capital and operating costs of generation companies.
Why does the increase/decrease in electricity prices not correspond with the movement in fuel costs?
The fuel cost component of the electricity tariff for each quarter is calculated based on the average of daily natural gas prices in the first two-and-a-half month period in the preceding quarter.
Consequently, there is a time lag in the gas price reflected in the electricity tariff because changes in gas prices in the current quarter will only be taken into account in the next quarter's tariff. This means that any increase or decrease in gas prices in the current quarter will be reflected in next quarter's tariff.
Fuel cost constitutes about 50% of the tariff. So a 10% decrease in fuel costs for example, would translate to approximately a 5% reduction in the tariff, assuming there are no changes in non-fuel costs.
Why can't the government help households by reducing electricity prices instead of giving U-Save rebates?
In Singapore, the price of electricity is not subsidised. This is to price energy correctly so that consumers are incentivised to use electricity efficiently and avoid wasteful consumption.
The Government recognises that there are households which may face difficulties coping with the rising cost of utilities, and is ready to help them. In this regard, the Government assists HDB households with their utilities bills payment through the Utilities-Save (U-Save) scheme, with higher amounts of rebates going to lower-income households.
How am I billed for my electricity consumption?
Electricity meters are read bi-monthly. On those months when the meters are not read, your electricity usage will be estimated based on your past consumption. Any over or under estimation of the bill will be adjusted in subsequent bills when the meter reading is taken.
If your meter is located inside your premises, SP Services' meter readers will need to access your premises to read the meter.
If meter readers are unable to access your premises to take the meter readings, you will be given a "Door Lock Card" providing details to guide you in submitting your meter readings.
If you wish to submit your meter readings, you can do so via the following methods:
i. SP Services website (
ii. SP Services' smartphone app
iii. Interactive Voice Response system (1800-2222-333)
iv. SMS MRSUBM to "98374797".
The Interactive Voice Response system also allows you to arrange for an appointment to read your meters to avoid being billed on estimates for a prolonged period.
Your utilities usage will be an estimation if SP Services did not receive your meter readings. Until SP Services' meter readers can record your meter readings, you will be billed based on your estimated usage.
You may also refer to the FAQs on
website if you wish to learn more about meter readings and bill estimation.
When do I need to obtain an electrical installation licence?
You are required to obtain an electrical installation licence when you use or operate an electrical installation of approved load exceeding 45 kilo volt ampere (kVA) for non-residential purposes.
Electrical installations in premises used for hazardous trades, irrespective of their approved loads, are also required to be licensed. Examples of premises used for hazardous trades include garages for painting motor vehicles, wood-working or saw-milling, petrol stations, paints and petroleum products, and temporary supply where building operations or works of engineering construction are being carried out.
What are the qualifications needed to apply for an electrical worker licence?
There are three classes of electrical worker licences, namely: Electrician Licence, Electrical Technician Licence and Electrical Engineer Licence.
Applicants of the electrician's licence must:
Hold a National Institute of Technical Education Certificate. Its course of study must be relevant to the electrical work which an electrician is authorised to perform or such other qualifications as may be acceptable to the Authority, and has at least two years' of practical experience in Singapore relevant to the electrical work which an electrician is authorised to perform; or
Have at least 10 years' of practical experience in Singapore relevant to the electrical work which an electrician is authorised to perform.
Electrical Technician Licence
Applicants of the electrical technician's licence must:
hold a diploma majoring in electrical power engineering relevant to the electrical work which an electrical technician is authorised to perform or such other qualifications as may be acceptable to the Authority; and
Have at least two years' of practical experience in Singapore relevant to the electrical work which an electrical technician is authorised to perform.
Electrical Engineer Licence
Applicants of the electrical engineer's licence must:
Be a registered professional engineer in electrical engineering under the Professional Engineers Act (Cap. 253); and
Have at least two years' of post-graduate experience in Singapore in electrical power engineering relevant to the electrical work which an electrical engineer is authorised to perform.
What document(s) are required for the application of an electrical installation licence?
You have to appoint a Licensed Electrical Worker (LEW), by signing a
Letter of Appointment
(LOA), to take charge of your electrical installation.
Your appointed LEW will then inspect and certify the fitness of the electrical installation, and apply via an online application to EMA together with the signed LOA for the licence.
How long does it take to process a licence application?
You should receive the outcome of your electricity or gas licence application within 12 weeks of submitting all the necessary information and documents with the application.
Where can I get a copy of the Electricity (Electrical Installations) Regulations 2002?
You can view an
or purchase a hardcopy from:
Toppan Leefung Pte Ltd
1 Kim Seng Promenade
Great World City
Tel: 6826 9691
I intend to rewire my flat/house. Will I be given a copy of the single-line drawing by the LEW I've engaged?
As a consumer, you can request for a copy of the single-line drawing from your LEW.
The single-line drawing will help you to identify the circuit breakers that control the circuits of switches, switch socket-outlets, electric water heater, etc. within your premises.
The LEW will prepare the updated single-line drawing and will usually display it on the inner cover of the distribution board.
If you are unable to find an answer to your query, please submit your
to let us know how we can help you.