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After-Sales Service

Solar Operations &
Maintenance (O&M)

Your solar system is a 25-year investment. Keep it performing at its best with professional O&M services — transparent pricing, SEDA-registered technicians, detailed reports.

Get a QuoteTroubleshooting Guide

Why O&M Matters

A neglected solar system silently loses performance every month. Here is what the numbers say.

15–25%
Output lost to dirty panels

Malaysian conditions — dust, humidity, bird droppings, and organic matter — accumulate fast. A heavily soiled panel generates a quarter less power than a clean one, costing you real money every month.

3x
Cost to fix vs. prevent

Unchecked connector corrosion, insulation degradation, and hotspots compound over time. A RM500 annual O&M inspection regularly prevents RM1,500+ repair bills and potential inverter replacements.

25 yr
System life with proper care

Panels warranted for 25 years achieve their full lifespan only with documented maintenance. Regular O&M reports also support warranty claims and provide evidence for insurance purposes.

Service Packages

Choose the level of care that fits your system age and requirements. Prices are per visit for a standard residential system (up to 12 kW / 24 panels) with safe ladder access. Double-storey and elevated roofs need a skylift, quoted separately.

Basic Clean

From RM 500

Essential panel cleaning service to restore full output.

  • Panel wash with deionized water
  • Frame and rail wipe-down
  • Visual inspection of panel surface
  • Bird droppings and organic build-up removal
  • Basic generation report (before vs. after)
  • Electrical testing
  • Inverter inspection
  • Thermal imaging
Book Basic Clean
Most Popular

Standard O&M

From RM 680

Comprehensive inspection + cleaning for full system health.

  • Everything in Basic Clean
  • Inverter performance check & log review
  • DC and AC electrical inspection
  • Cable and conduit visual inspection
  • MC4 connector check and re-torque
  • Earthing continuity check
  • Performance analysis report with recommendations
  • Thermal imaging / IR scan
  • IV curve testing
Book Standard O&M
Best Coverage

Comprehensive O&M

From RM 980

Full diagnostic service — the gold standard for system longevity.

  • Everything in Standard O&M
  • Thermal imaging / infrared scan of all panels
  • Hotspot detection and reporting
  • String-level IV curve test
  • Earthing resistance measurement (FLUKE)
  • Insulation resistance (megger) test
  • Detailed written report with photos
  • Recommendations with priority rating
Book Comprehensive O&M

Prices are indicative for Peninsula Malaysia and assume the roof can be worked safely from a ladder. Double-storey properties and elevated or hard-to-reach roofs require a skylift, which is quoted separately on top of the service price. Systems above 12 kW are priced separately. Travel surcharge may apply outside Klang Valley.

What's Included in Each Package

Service ItemBasicStandardComprehensive
Panel wash (deionized water)
Visual panel surface inspection
Inverter log & error review—
DC cable & conduit inspection—
MC4 connector check—
Earthing continuity check—
Performance analysis report—
Thermal imaging / IR scan——
String-level IV curve test——
Insulation resistance (megger)——
Detailed photo report——
Commercial & Industrial

C&I O&M — Custom Pricing

Commercial and industrial solar systems above 30 kW require a tailored O&M approach. We offer quarterly and monthly service schedules with SLA-backed uptime guarantees, dedicated account managers, and priority response for fault calls.

  • Custom visit frequency: monthly, quarterly, or bi-annual
  • SLA with guaranteed response times (4hr / 24hr)
  • Dedicated account manager
  • Online monitoring dashboard with anomaly alerts
  • Annual performance report for SEDA / financier
Enquire About C&I O&M

Typical C&I O&M Pricing

30–100 kW
Quarterly
From RM 1,800 / visit
100–300 kW
Quarterly
From RM 3,500 / visit
300 kW–1 MW
Monthly
From RM 8,000 / month
Above 1 MW
Custom
Custom quotation

Annual Maintenance Plans

Subscribe and save — lock in priority scheduling and a discounted rate with an annual plan.

1 visit / year

Essentials Plan

Standard O&M

RM 620 / year
Save RM 60

Best for newer systems (under 3 years) in clean environments.

Subscribe
2 visits / year

Comfort Plan

Standard O&M × 2

RM 1,180 / year
Save RM 180

Recommended for most Malaysian residential systems — pre-monsoon + post-monsoon.

Subscribe
4 visits / year

Premium Plan

Standard + Comprehensive

RM 2,200 / year
Save RM 380

Ideal for systems near busy roads, with high bird activity, or aged over 5 years.

Subscribe

Frequently Asked Questions

How often should I service my solar system?

We recommend a minimum of one professional O&M visit per year. For residential systems in urban areas with pollution and frequent bird activity, a mid-year panel clean plus an end-of-year full inspection is ideal. Commercial and industrial systems benefit from quarterly checks due to higher production expectations and SLA obligations.

How much efficiency do dirty panels lose?

Studies conducted in Malaysian conditions show that panels with moderate dust and organic build-up lose 10–20% of their rated output. In areas near main roads, industrial estates, or heavy bird activity, losses can reach 25–30%. A single professional clean typically restores full rated output within days.

What is thermal imaging and do I need it?

Thermal imaging uses an infrared camera to detect "hotspots" — individual cells or panels running hotter than normal. Hotspots indicate micro-cracks, delamination, or bypass diode failure that reduce output and, in severe cases, pose a fire risk. We recommend a thermal scan every 3–5 years, or immediately after any storm damage or persistent fault codes.

Will O&M work affect my inverter or panel warranty?

No — professional maintenance performed by a SEDA-registered company does not void manufacturer warranties. In fact, most panel warranties require evidence of regular maintenance. We provide a service report after every visit that documents all work performed, which you can retain for warranty purposes.

Do you service systems installed by other companies?

Yes. We service all major inverter brands (Huawei, SolarEdge, Sungrow, Fronius, Growatt, Goodwe) and panel brands installed in Malaysia. We may request your original system documentation (single-line diagram, panel layout) to ensure we service your system correctly.

What happens if you find a fault during the O&M visit?

Our technician will document the fault with photos and a written report, explain the severity and urgency, and provide a repair quotation. Minor issues (e.g. loose monitoring dongle, tripped breaker) are often resolved on the spot at no extra charge. Major repairs (e.g. inverter replacement, cable rework) are quoted separately.

Book Your O&M Service

Get in touch for a personalised O&M quotation. We cover Klang Valley, Selangor, Johor, Penang, and selected areas nationwide.

Get a QuoteBook Panel Cleaning

Related Services

Panel Cleaning Service

Standalone panel wash service using deionized water — restore lost output fast

Solar Troubleshooting Guide

Diagnose common inverter errors, low output, and monitoring issues yourself

Solar Fire Safety

How regular O&M reduces solar fire risk and what to look for

Commercial Solar

Get a Solar O&M Proposal

Tell us about your existing solar system and we'll design an O&M service plan.

  • Custom system design for your business
  • ROI analysis based on your electricity usage
  • Flexible financing: PPA, IPP, bank loans
  • Solar ATAP, TNB and ST documentation support

Request a Quote

Fill in your details and our B2B team will review your request during business hours

Your details are used only to assess and respond to this project request.

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Malaysia's SEDA-licensed solar partner since 2020. We design, finance, and install residential, commercial, industrial, and off-grid solar systems.

Registered Office

Thither Global (M) Sdn Bhdtrading as Trexon Energy

G-06-28, Level 6, Block G, Sunway Geo Avenue
Jalan Lagoon Selatan, 47500 Subang Jaya
Selangor, Malaysia

SSM: 201301044881 (1074704-D)

SEDA Licence: SEDA-RPVSP-2026/373

Sales & Support

+60 12-770 7249

WhatsApp Business

+6012-770-7249

Email us

energy@trexon.my

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