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Configure solarJohor Bahru Semi-D: 92% Bill Reduction for Growing Family
Bill Reduction
92%
Annual Savings
RM 7,596
Payback
4.2 years
CO2 Offset
9.8 tons/year
The Challenge
Multigenerational family (parents + grandparents + 2 kids) with high cooling needs. Monthly bills averaging RM685. Concerned about elderly parents' comfort during long hours at home.
Monthly Bill (Before)
RM 685
Annual Cost (Before)
RM 8,220
Pain Points:
- •AC running 16+ hours/day for elderly parents
- •Large home with high cooling costs
- •Work-from-home setup for both parents
- •Monthly bills increased 28% in 2 years
- •Wanted to future-proof against tariff hikes
The Solution
System Size
8.06 kW
Installation Time
1.5 days
Solar Panels:
Canadian Solar TOPHiKu7 (580W, 14 panels)
Inverter:
Growatt MOD 8KTL3-XH (8kW)
Special Features:
- East-West optimized layout for all-day generation
- Rapid TNB approval through Iskandar Malaysia fast track (11 days)
- Smart meter integration for real-time monitoring
- Designed for future battery expansion
The Results
Monthly Bill (After)
RM 52
Annual Savings
RM 7,596
ROI
24% IRR
Environmental Impact:
9.8 tons/year (equivalent to planting 221 trees)
TNB Bill Breakdown Analysis
Before Solar
After Solar
12-Month Performance
“Our grandparents can now enjoy AC guilt-free. We went from rationing cooling to keeping the house comfortable 24/7—all while saving RM633/month. The Trexon team completed installation in 1.5 days during a weekend so we didn't miss work. Flawless execution.”
Mrs. Jasmine Koh
Architect
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