Luchangco Residence
- Premium grid-tied solar installation delivering stable daytime power and long-term savings.
- System Size: 6.93 kWp
- Completion: 2-Sep-2021
- Tarlac City, Philippines
Project Summary
This premium grid-tied residential installation was engineered to eliminate rising electricity costs and deliver stable, long-term performance. The homeowner, a retired balikbayan supporting extended family members within the property, faced steadily increasing monthly bills driven by air-conditioning and daytime household demand. The objective was clear: full daytime coverage, consistent export performance, and predictable savings without complexity.
The system was carefully sized to match real consumption patterns, ensuring strong self-use while exporting surplus energy to generate credits under net metering. High-efficiency modules and premium inverters were selected for durability and thermal resilience, protecting output across years of operation. Clean cable routing, proper protections, and disciplined commissioning ensured long service life from the outset.
The economic logic mirrors the realities described in Solar Energy Philippines: Smart Solution to Rising Power Costs, where electricity costs consume a disproportionate share of household income. In high-tariff environments, well-designed solar systems deliver meaningful financial relief.
Today, the installation provides close to zero-bill operation with stable daily generation and dependable export returns. It stands as a strong example of residential solar engineered not for short-term savings, but for long-term financial stability and energy control.
System Performance
- System Size: 6.93 kWp
- Annual Generation: 10,222 kWh
- Day Peak Load: 5.89 kW
- Payback/ROI: 4.3 years
Financial Impact
- Daily Savings: ₱341
- Monthly Savings: ₱10,222
- Annual Savings: ₱122,661
- Lifetime Savings: ₱3,161,238
Technology Partners
- Inverters: SMA Germany SMA 6.0
- Modules: Sunova Solar Bifacial
- Monitoring and Control: SMA ennexOS / Sunny Portal
Sustainability Impact
- TREES Planted Lifetime: 337
- CO₂ Lifetime: 143 tons
- Houses Powered Annually: 4











