If you’ve ever wondered what it really takes to install a solar system in Sri Lanka – how long it takes, what the steps are, and what costs to expect – this guide is for you. At Hayleys Solar, we’ve simplified the process for thousands of homeowners and businesses.
Let’s walk you through everything from consultation to commissioning
Step 1: Initial Consultation and Site Survey
Your solar journey begins with a free consultation. Our team gathers key information:
- Average monthly electricity bills
- Roof orientation and structure
- Future expansion needs
Next comes the site survey, where engineers inspect your roof, measure space, and assess shading.

Step 2: System Design and Proposal

Based on your energy profile, we design a customised solution. Your proposal includes:
- Recommended system size (e.g., 5 kW)
- Expected savings per month/year
- Investment cost and financing options
- Net metering or hybrid system recommendations
Timeline: 2–3 working days after site visit.
Step 3: Approvals and Documentation
Installing solar requires approvals from CEB/LECO. Hayleys Solar handles all documentation on your behalf.
- Net Metering/Accounting application
- Single Line Diagram (SLD) submission
- Structural approvals (if required)
Timeline: 1–2 weeks depending on utility response.

Step 4: Installation and Commissioning

Once approvals are secured, installation begins.
- Mounting panel frames on your roof
- Installing solar panels
- Connecting inverters and safety systems
- Wiring and grid integration
Residential 3–5 kW systems → 3–5 days
Large residential or villa systems → 1 week
Commercial/industrial → 2–4 weeks
Step 5: Testing and Grid Connection
After installation:
- Engineers conduct safety checks.
- The system is connected to the grid under CEB/LECO supervision.
- Your meter is replaced with a bi-directional one (for net meter
Timeline: 3–7 working days.

Step 6: Monitoring and After-Sales Support

Modern solar systems come with online monitoring platforms. You can track your system’s output, savings, and even CO₂ reduction.
Hayleys Solar also provides:
- Scheduled maintenance
- Remote troubleshooting
- Performance guarantees
How Much Does Solar Installation Cost in Sri Lanka?
- 3 kW residential system: Rs. 1.5M–1.8M
- 5 kW system: Rs. 2.5M–3.2M
- 10 kW system: Rs. 4.8M–6M
- Panel type (monocrystalline vs. polycrystalline)
- Inverter type (string vs. hybrid)
- Roof modifications
- Battery backup
Payback Period: Most households recover costs within 4–6 years.
Timeline Overview
- Consultation & survey: 2–5 days
- Design & proposal: 2–3 days
- Approvals: 1–2 weeks
- Installation: 3–7 days (residential)
- Commissioning: 1 week
Why Choose Hayleys Solar for Installation?
- Over 10 years of expertise in Sri Lanka
- Partnerships with Tier-1 global solar brands
- End-to-end service (consultation → approvals → aftercare)
- 25-year panel warranties & reliable support
Installing solar in Sri Lanka is a clear, step-by-step process when handled by experts. With transparent costs, predictable timelines, and strong after-sales service, you can start saving on energy bills sooner than you think.
Ready to install solar? Contact Hayleys Solar on 0112 102 102 or visit our website at www.hayleyssolar.com for a free assessment and customised proposal.




