More than 40% of Metro Manila residents live in condominiums or apartments — where they don't control the roof. Does this mean solar is out of reach? Not entirely. Here are the realistic options for condo and apartment dwellers.
The most effective approach is convincing your building's HOA or property management to install a common-area solar system. This powers:
The savings reduce HOA dues for all unit owners. A typical 20-storey condo building can install 50-100kW on the roof deck, saving ₱40,000–80,000/month in common area electricity costs.
For individual units with a balcony, balcony-mounted panels are a growing option. Limitations:
| Factor | Balcony Solar Reality |
|---|---|
| Panel capacity | 300-800W typical (1-2 panels) |
| Monthly savings | ₱500–1,500/month |
| Requires HOA approval | Usually yes — check deed of restrictions |
| Grid connection | Limited — plug-in microinverters available |
| Net metering eligibility | Rare — unit must have own meter |
Emerging in the Philippines: shared solar programs where a solar farm generates power and credits are distributed to subscribers. VECO in Cebu and some cooperatives have pilot programs. Watch for DOE guidelines expanding this.
If long-term solar savings are a priority, factor roof access into your next property decision. A house with a suitable roof and Meralco connection can pay for itself in 5-7 years through net metering.
Engr. Jason Morales — Founder, SolarEnergyPH