1. Decline in costs from P100,000/kw down t just almost P50,000 kw
2. More suppliers, more reliable components
3. More friendly regulations on rooftop installations.
But dont attempt net metering. Really they would require that because of variances in specs of suppliers, the well being of the grid could be put at risk.
We are achieving a lot of success. Landbank, SSS are offering rooftop solar financing.... More suppliers, More agree on the benefits of solar panels
Downsides: fires, disposal of old expired panels, just 5 years life of storage, batteries.