Calayaan Poultry Farm’s 43.32 kWp installation in Sta. Ignacia, Tarlac is fully net-metered and closely matched to the farm’s operating profile. Most solar generation is consumed directly by poultry-house ventilation, evaporative cooling and staff facilities, particularly during the hottest daytime periods when both cooling demand and solar production are high.

The present PV capacity is limited not by available load or roof space, but by the farm’s installed transformer capacity. Solaren is now looking at an electrical upgrade with the owner, and if the transformer and farm infrastructure are enlarged, the solar installation can also be expanded.

Power quality is another important part of the design. The farm normally operates with a very low power factor, so the SMA inverter has been configured to provide power-factor support. The long poultry-house roofs also expose equipment to high levels of ammonia, heat and corrosion, requiring ammonia-resistant modules and regular agreed maintenance. Despite an erratic grid environment, the original SMA inverter and Sunova modules remain in service without problems, and energy production has remained in line with forecast yields since commissioning.