About Terra Solar
Covering six municipalities in Nueva Ecija and Bulacan, the 3,500-hectare Terra Solar Project is set to become the world’s largest hybrid solar facility.
This ambitious initiative addresses the nation’s growing power demand, offering a capacity of 3,500 MWp from its solar PV plant, complemented by a 4,500 MWhr battery energy storage system. It will connect to the grid via a 13 km, 500kV transmission line.
The project spans lands in the municipalities of Peñaranda, General Tinio, and Gapan City in Nueva Ecija, as well as San Miguel in Bulacan.
Development will be developed in two phases:
- Phase 1: 2,500MWp + 3,300 MWHr BESS over approximately 2,500 hectares
- Phase 2: +1,000MWp + 1,200 MWhr BESS over about 1,000 hectares.
Project Purpose
The Terra Solar Project will lead the push for energy security in the country as it will stabilize the Luzon Grid’s power supply by harnessing renewable energy on an unprecedented scale.
Beyond its anticipated power generation capabilities, it will play a crucial role in carbon avoidance by removing 4.3 million tons of carbon emissions annually. This noteworthy achievement will position the Terra Solar Project as a pivotal force in the Philippines’ journey towards a cleaner, more sustainable energy future.
Project Details
3,500MW Solar PV
The Terra Solar Project will deploy the latest bifacial N-type TOPCon photovoltaic (PV) modules with higher power ratings, promising improved efficiency, and extending daytime solar power generation. The project will include a ground mounted galvanized steel structure with a fixed tilt and PV module with South facing orientation, initially optimized to a 9-degree tilt and a 7.5-meter pitch, achieving a ground coverage ratio (GCR) of 0.3 which minimizes the energy yield losses.
4,500MWhr Battery Energy Storage System
The Terra Solar Project is building a Battery Energy Storage System (BESS) composed of: a) Battery Containers for storing DC energy; b) Storage Inverters to convert energy interchangeably between DC and AC; c) Power Transformers to elevate voltage from low to medium levels; and d) Power Conversion Systems for transforming DC power to AC.
This BESS will feature multiple battery containers and power conversion systems, offering a total rated power of 1,125 MW and an energy storage capability of 4,500 MWhr, enabling nearly 4 hours of discharge. Each battery container contains parallel connected battery racks managed by an Energy Management System (EMS). The EMS is tasked with estimating the state of charge, overseeing the charge/discharge process, and managing the system’s status, which includes temperature control, safety measures, and communication with other BESS components.
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