Keep Your System
Running at Peak Power
Iraq’s climate is among the world’s most demanding for solar equipment. A structured maintenance programme protects your investment and keeps your energy output where it belongs — at 100%.
Annual Maintenance Schedule
Timed to Iraq’s seasons — dust season, peak heat, and winter rains
| Timing | Task | Who | Notes |
|---|---|---|---|
| JanuaryRoutine | Winter wash — remove rain-deposited grime and any salt crust from winter winds | Homeowner or installer | Use deionised or softened water. Avoid high-pressure jets directly on cell edges. |
| MarchImportant | Pre-season electrical inspection — check MC4 connectors, cable insulation, combiner box, and inverter vents before the summer peak load begins | Certified installer | Look for rodent damage along cable runs. Tighten any loose terminal screws. |
| April–MayCritical | Dust-storm season onset — activate dust protocol (see Section 3). Clean panels every 2–3 weeks during Shamal wind events | Homeowner | Monitor inverter daily production vs. baseline. A >15% drop signals a cleaning is overdue. |
| JuneRoutine | Shade audit — check for new obstructions (building extensions, fast-growing trees) that appeared since installation | Homeowner | Use the inverter monitoring app. String output imbalance often reveals new shading. |
| July–AugustImportant | Thermal inspection — peak heat stress on inverter and batteries. Check inverter air-gap clearance and battery ventilation | Homeowner + certified installer | Inverter should have at least 30 cm free space above vents. Battery bank temperature must stay below 45°C. |
| SeptemberCritical | Post-summer deep clean — full wash after the hottest months. Inspect mounting rails for thermal expansion damage or loose fasteners | Certified installer | Request a certified torque-check on all mounting bolts. Heat cycling loosens fixings over a full summer. |
| October–NovemberRoutine | Battery health check — capacity test, BMS firmware update, terminal cleaning | Certified installer | LiFePO4 batteries should hold ≥80% of rated capacity after 2,000 cycles. Flag early degradation now. |
| DecemberImportant | Annual performance report — compare actual kWh generated vs. projected. Review inverter error logs. Plan any upgrades for next year | Homeowner + SolarCity support | Contact SolarCity support to request a free digital performance review if your system is under warranty. |
Seasonal Cleaning Guide
Right technique, right timing — for each of Iraq’s four micro-seasons
- Clean every 4–6 weeks
- Use a soft-bristle brush and low-pressure water
- Work panel-by-panel; rinse from top edge downward
- Never clean in sub-5°C temperatures — thermal shock risk
- Check frame corners for standing water — mineral staining starts here
- Clean every 2–3 weeks during Shamal winds
- Use a dry microfibre sleeve first to displace loose sand — do not rub dry sand into glass
- Follow with deionised water rinse
- Clean in the early morning before panels heat up
- Wear eye protection — displaced dust is fine and irritating
- Clean at dawn or dusk only — never at midday
- Cold water on a hot panel causes micro-cracks
- Use lukewarm water on panels that have not fully cooled
- Increase frequency to weekly during haboob (sand wall) events
- Check inverter intake filters monthly — dust clogs cause shutdown
- Clean every 4–6 weeks as dust-storm frequency drops
- Use a mild, pH-neutral panel cleaner for baked-on grime
- Inspect frame sealant — UV degradation appears as yellowing or cracking
- Check bird-dropping hotspots — acidic damage is cumulative
- Document panel output before and after clean to quantify efficiency gain
Dust-Storm Preparedness
Iraq averages 20–50 dust events per year — here is how to handle each phase
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Before the storm — note your baselineCheck your inverter app and write down today’s daily kWh generation. This becomes your baseline for the post-storm comparison. If the storm is forecast, do a full panel clean 24 hours before. A clean start maximises the data you get from the post-storm drop.
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Secure loose equipmentEnsure all mounting bolts are tight. Remove any temporary shade structures, irrigation lines, or tool racks near the array. High Shamal winds can lift unsecured objects and scratch panel glass. Inverter and battery cabinets should have their vent covers closed if they have them.
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During the storm — do nothingDo not attempt to clean during an active storm. Do not access the roof. Your system will automatically reduce output as irradiance drops — this is normal. Inverters in Iraq are rated for this operating condition. Simply let the storm pass.
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After the storm — assess before touchingWait at least 2 hours after the storm fully clears. Before cleaning, visually inspect for physical damage: cracked glass, displaced mounting rails, or cable abrasion. If you see physical damage, do not operate the system and contact your installer immediately.
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Clean in layers — dry first, wet secondUse a clean microfibre sleeve on a soft-pole to sweep loose sand off first — rubbing wet on fine sand grinds it into the glass. Once loose dust is off, rinse with deionised water from the top downward. Never use a high-pressure washer within 15 cm of the frame edge.
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Measure the recoveryThe day after cleaning, compare your kWh against the baseline you noted before the storm. A full recovery (within 5%) confirms the clean was effective. If output remains low, a hotspot or cell damage from debris impact may have occurred — contact support for a thermal inspection.
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Log it and set a reminderKeep a simple note in your phone: date of storm, date of clean, output before and after. After five entries you will see your local pattern — which wind direction deposits most dust, how many days until output is critically low. This data is yours and is more accurate than any general guide.
Upgrade Paths by Year
What your system is ready for — and when it makes economic sense
Monitoring & Optimisation
Your system is new — focus on understanding it. Add a smart energy meter to see self-consumption vs. export ratios. If your inverter does not already have module-level monitoring, string optimisers (SolarEdge P-series or Tigo TS4) resolve shading losses without replacing hardware.
Battery Expansion or First Battery
If you are on-grid with no battery, now is when Iraq’s grid instability statistics justify adding storage. Battery prices in Iraq have fallen 35% since 2022. If you already have LiFePO4 batteries, adding a second rack doubles your overnight autonomy without touching the solar array or inverter wiring.
Panel Capacity Expansion
By year 5, panel wattage per USD has typically improved 20–30%. If roof space allows, adding a second string of higher-wattage panels through an MPPT channel expansion increases your daily harvest without replacing your inverter. Verify your inverter’s maximum input power spec before ordering.
Inverter Refresh
Inverters typically carry a 5–10 year warranty. Replacing an ageing string inverter with a modern hybrid unit (if you do not already have one) opens up battery retrofit capability and often improves peak efficiency from 97% to 98.6%+ — meaningful at 10+ kW scale. Use SolarCity’s Configurator to size the replacement correctly.
Full System Reassessment
At the 12-year mark, your panels have delivered roughly 50,000–60,000 kWh. Panel output degrades at about 0.5% per year under clean conditions — with Iraq’s dust, plan for 0.6–0.7% annually. A full performance audit tells you whether individual panels need replacement or whether the whole array benefits from the latest bifacial mono-PERC technology, which delivers up to 22% efficiency vs. the 15–17% of older modules.
Ready to Schedule a Service?
Our certified installers are available across all Iraqi governorates. Request a maintenance visit or get a personalised upgrade quote through the configurator.