Maintenance25 February 20265 min

Solar Panel Maintenance: How to Keep Your System Running at Peak

Keeping Your Solar Panels at Peak Performance

Solar panels are remarkably low-maintenance, but a little care goes a long way in maximizing your energy production and savings.

Malaysia's tropical climate means dust, bird droppings, and pollen can accumulate on panels.

DIY Cleaning:

Use a garden hose to rinse panels early morning or late evening

Soft brush or sponge with mild soap for stubborn dirt

Never use abrasive materials or pressure washers

Clean from the ground if safely accessible

Professional Cleaning:

RM200-400 per session depending on system size

Includes inspection of mounting and connections

Recommended every 6 months for optimal performance

Most modern inverters come with a monitoring app. Check these weekly:

Daily production — Compare to expected output

Performance alerts — Act on any error notifications

Historical data — Track month-over-month trends

Red flags to watch for:

Sudden drop in production (>20%)

Inverter error codes or shutdowns

One panel producing significantly less than others

Schedule a yearly professional inspection:

Electrical connection tightness

Mounting system integrity

Inverter performance check

Cable insulation condition

Panel micro-crack detection

Zero production on a sunny day

Burning smell near the inverter

Visible physical damage to panels

Water leaks around mounting points

Unusual noises from the inverter

Get a free consultation and personalized quote for your home. We handle everything from SolaRIS rebate to installation.