Solar panel installation is growing rapidly in Singapore — driven by rising electricity tariffs, government incentives, and increasing environmental awareness. If you’re a Singapore homeowner considering solar panels for your HDB flat or condo, this guide gives you the full picture: costs, what to expect, government schemes, and whether it makes financial sense for your unit.
Solar Panel Installation Costs Singapore (2026)
| System Size | Typical Unit | Installed Cost | Monthly Savings (est.) |
|---|---|---|---|
| 1.5 kWp system | HDB 3-room | $3,500 – $6,000 | $50 – $80/month |
| 2.0 kWp system | HDB 4-room | $4,500 – $8,000 | $65 – $110/month |
| 3.0 kWp system | HDB 5-room / Exec | $6,500 – $12,000 | $100 – $165/month |
| 5.0+ kWp system | Condo / Landed | $12,000 – $25,000 | $165 – $350/month |
2026 indicative pricing. Actual savings depend on your household electricity consumption, roof orientation, shading, and current SP Group tariff rates.
How Much Can You Really Save?
Singapore’s residential electricity tariff in 2026 averages approximately $0.30–$0.35 per kWh. A 2 kWp solar system in Singapore typically generates:
- 200–250 kWh per month (depending on panel orientation and shading)
- At $0.32/kWh, that’s approximately $64–$80 of electricity per month
- Annual savings: $768 – $960 per year
On a $6,000 installed system, payback period: approximately 6–8 years. The panels are warrantied for 25 years, meaning you get 17–19 years of free electricity after payback.
HDB Solar Panel Rules and Requirements
Homeowners in HDB blocks can install solar panels under the SolarNova program (HDB’s town council-managed solar initiative) or independently via direct application:
HDB SolarNova Programme
Under SolarNova, HDB installs solar panels on HDB rooftops at the town council level. Individual flat owners don’t install panels themselves — HDB contracts large-scale installation across entire blocks. The savings are shared with residents through lower town council service charges. Check with your HDB town council for the status of your estate’s SolarNova participation.
Individual HDB Owner Installation
Individual HDB flat owners CAN install solar panels on their own if they own a ground-floor unit with a roof (maisonette), a penthouse unit with a private roof, or own landed property (not HDB). For standard HDB flats, the rooftop is common property managed by HDB/Town Council and not accessible for individual installation.
Condo and Landed
Condo penthouse owners can typically install solar panels on their private roof terrace, subject to MCST approval. Landed property owners have the most flexibility for solar installation.
Singapore Government Grants and Incentives (2026)
Several schemes make solar installation more financially attractive:
Enhanced Central Intermediary Scheme (ECIS)
Allows solar PV owners to sell excess electricity back to the grid at prevailing market rates. Managed by SP Group. When your panels generate more electricity than you use, the excess is exported and credited to your monthly bill.
Simplified Credit Treatment (SCT)
For solar systems below 1 MWp (all residential systems), SP Group offers a simplified process for registering and receiving credits for exported electricity.
Enterprise Development Grant (EDG)
For commercial properties — businesses can claim up to 70% of qualifying solar installation costs as an EDG grant through Enterprise Singapore.
What Affects Solar Performance in Singapore?
Roof Orientation
North-facing roofs in Singapore receive less direct sunlight than south or west-facing roofs. The ideal orientation in Singapore (just north of the equator) is due south at a tilt of 5–15 degrees, but Singapore’s flat roofs and equatorial position mean most orientations still generate good output.
Shading
Shading from trees, neighbouring buildings, water tanks, and rooftop structures significantly reduces panel output. A shading analysis should be part of your pre-installation assessment.
Panel Quality
Tier-1 solar panels (from manufacturers like Longi, JA Solar, and Canadian Solar) come with 25-year power output warranties and degrade less than 0.5% per year. Avoid unknown brands with no warranty track record.
Get Solar Panels Installed in Singapore
Unique Interior Design Pte Ltd provides solar panel installation services for Singapore HDB (eligible units), condos, and landed properties. Our BCA-licensed solar installers handle design, permitting, installation, and SP Group application in a complete package.
Learn more about our solar panel installation service or contact us for a free solar assessment.
Planning a project?
Get a free, no-obligation quote from the team that does the work.
Chat on WhatsApp