Overview
Subestación Monacillos is an operational electrical substation in San Juan, Puerto Rico, operated by PREPA. It operates at 115 kV, supporting the island's transmission grid.
Subestación Monacillos is an electrical substation located in San Juan, Puerto Rico, a territory of the United States. Operated by the Puerto Rico Electric Power Authority (PREPA), this facility plays a key role in the island's electrical infrastructure. As a 115 kV substation, it is part of the medium-to-high voltage transmission network that distributes power across the metropolitan area. The substation operates under the regulatory framework of the United States, including NERC reliability standards and FERC oversight for transmission assets. In Puerto Rico, PREPA is the primary utility responsible for generation, transmission, and distribution. The 115 kV voltage level is typical for sub-transmission and distribution substations, serving urban load centers like San Juan. The facility's age and specific equipment details are not publicly available, but it is part of a grid that has undergone modernization efforts following recent natural disasters. Subestación Monacillos is critical for grid stability in the San Juan region, providing power to residential, commercial, and industrial customers. Its operational status ensures continued service to one of the most densely populated areas of Puerto Rico. The substation's role in the island's electrical network underscores its importance for community resilience and economic activity.
Environmental context
The substation is located in an urban area of San Juan, Puerto Rico, a tropical climate zone prone to hurricanes and seismic activity. The surrounding environment includes residential and commercial developments. The facility's design and maintenance must account for extreme weather events, which can impact grid reliability. Vegetation management and flood protection are typical considerations for substations in this region.
Frequently asked questions
Subestación Monacillos is located in San Juan, Puerto Rico, a territory of the United States. Its approximate coordinates are 18.372889° N, -66.073038° W.
Subestación Monacillos operates at 115 kV, which is a common voltage for sub-transmission and distribution substations in the United States and its territories.
The substation is operated by the Puerto Rico Electric Power Authority (PREPA), the primary electric utility in Puerto Rico.
As part of the U.S. electrical grid, substations in Puerto Rico must comply with NERC reliability standards and FERC regulations. PREPA is subject to these requirements to ensure grid stability and security.
A 115 kV substation typically steps down transmission voltage for distribution to local networks or interconnects transmission lines. It is critical for delivering electricity to urban areas like San Juan.