Paying bills is a burden almost everyone shares. While many would consider bills a variable expense, there are ways to cut costs so you can save money every month. Electricity bills in particular are one of the largest expenses for households.
With that said, they are also one of the easiest bills to cut costs on, especially when you have the help of residential solar. But just how effective is solar energy?
Here’s a closer look at the average electricity bill in Singapore and how the power of solar can actually help you save money:
Contact us to learn more about residential solar in Singapore!
How Is Your Electricity Bill Calculated?
The average electricity bill depends on your household size, electricity consumption and the type of property you live in. One of the biggest factors affecting your bill is how much electricity your household consumes.
This is measured in kilowatt-hours (kWh), which tells you how much electricity your appliances use over time. Your monthly kWh is then multiplied by the electricity tariff per kWh to calculate your monthly bill.
For households on the default SP Group regulated tariff, the rate is 31.16 cents per kWh, including GST, from 1 October to 31 December 2026. This is equivalent to S$0.3116 per kWh.
What Is the Average Electricity Bill in Singapore?
The table below shows the monthly average electric bill for different types of households in Singapore. The average kWh are based on SP Group’s latest tariff information, while the estimated costs are calculated according to this formula:
kWh consumed x tariff per kWh (S$0.3116) = monthly bill
House Type | Average kWh (Aug-26) | Average Monthly Bill |
HDB 1-Room | 146 | S$45.50 |
HDB 2-Room | 195 | S$60.80 |
HDB 3-Room | 285 | S$88.80 |
HDB 4-Room | 391 | S$122 |
HDB 5-Room | 461 | S$144 |
HDB Executive | 563 | S$175.40 |
Apartment | 546 | S$170 |
Terrace | 844 | S$263 |
Semi-Detached | 1,070 | S$333.40 |
Bungalow | 2,162 | S$674 |
Why Are Electricity Bills So Expensive in Singapore?
Around 95% of Singapore’s electricity is generated using imported natural gas. As a result, global fluctuations in global fuel prices can affect the electricity tariff and the amount households pay each month. On top of this, most households use electricity for almost everything.
Based on a survey by the NEA, air conditioning is one of the main contributors to electricity consumption. This is followed by refrigerators and water heaters. Although simple tips can help reduce consumption, there is a limit to how much you can save by changing your habits alone.
This is where residential solar becomes an option.
How Do Solar Panels Reduce Your Electricity Bill?
Solar panels work by converting sunlight into electricity that your household can use throughout the day. This means that instead of purchasing all your electricity from the grid, you can generate a portion of it yourself.
For homeowners in Singapore, this is particularly useful because the country receives consistent sunlight throughout the year. With a properly designed solar PV system, you can make use of your rooftop to produce electricity and reduce your reliance on conventional energy sources.
How Do Solar Panels Work?
- Generate your own electricity – Solar panel captures sunlight and converts it into usable electrical energy.
- Power your household appliances – The power generated can be used to run appliances such as air conditioning, refrigerators and water heaters.
- Purchase less electricity from the grid – When your solar system produces enough electricity, you can reduce the amount of electricity you draw from SP Group or your chosen electricity retailer.
- Benefit from excess electricity – When your solar panels generate more electricity than your household needs, the surplus may be exported to the grid for payment or credit.
In other words, the more solar energy you can use at home, the less electricity you need to purchase from your provider. According to Singapore’s Energy Market Authority, rooftop solar can help consumers save on electricity and potentially earn revenue from excess electricity.
How Much Can You Actually Save With Solar Energy in Singapore?
The amount you can save depends on several factors:
- Your monthly electricity usage
- The roof space available
- The property and roof type
- The amount of sunlight your roof receives
With that in mind, let’s look at a household with an average monthly electricity bill of S$600. If a solar PV system helps the household reduce its electricity purchases by 50%, the potential savings would be S$300 per month. This adds up to S$3,600 per year.
Of course, this is only a rough estimate. The key takeaway is that solar energy can help reduce your monthly electricity expenses, particularly if your household consumes a significant amount of electricity during daylight hours.
Use our solar calculator to find out your potential savings!
The Benefits of Using Residential Solar Panels
Apart from reducing your monthly electricity bill, resident solar panels has several other benefits:
- Less reliance on the electricity grid – Solar panels allow you to generate electricity directly from sunlight. Although you may still need to draw electricity from the grid, producing your own power can reduce your dependence on it.
- Make use of unused roof space – Installing solar panels allows you to turn your rooftop into a source of electricity. This makes better use of your available roof space without requiring additional land.
- A more sustainable energy source – Solar energy is renewable and generates electricity without directly emitting greenhouse gases during operation. By using more solar power, your household can reduce its reliance on fossil fuel-based electricity.
How Much Does it Cost to Install Solar Panels in Singapore?
A residential solar PV system typically costs around S$20,000. The actual price can vary depending on your household and its needs. Although this may seem like a significant amount, the savings you accumulate over time is meant to offset the initial investment.
Here are some factors that can affect the total pricing:
- Solar system size – A larger solar PV system generally costs more to install, but it can also generate more electricity to meet your household’s needs.
- Roof type and condition – Different roof materials require different mounting methods. For example, clay-tiled roofs, metal roofs and concrete flat roofs each have their own installation requirements.
- Electricity consumption – Your household’s monthly electricity usage helps determine the appropriate system size. A system designed around your actual consumption can help you make better use of the electricity generated.
- Installation and equipment – The solar panels, inverter, mounting structures, wiring and other components all contribute to the overall cost.
Is Your Home Suitable for Solar Panels?
Not every property has the same potential for solar energy. Before installing solar panels, you should consider whether your roof has enough space and whether the installation can generate enough electricity.
In Singapore, landed properties such as bungalows, terrace houses and semi-detached houses are particularly suitable because they offer more roof space. The good news is that you do not have to figure everything out on your own.
Reduce Your Electricity Bills With 9 Helios
The average electricity bill in Singapore is a significant household expense that can be reduced with solar energy. Solar panels allow you to generate your own electricity so you can reduce reliance on the grid and save more money in the long run.
Of course, there’s also the matter of finding the right solar PV system for your home. At 9 Helios, we can help you find the right solution based on what you actually need.
With a proper assessment, you can better understand how much electricity your solar panels can generate along with the potential savings on your monthly bills.
Visit 9helios.com to find out more or check out our services for other solar solutions!
