Solenis, LLC Refinery in Wilmington, Delaware | United States Oil Infrastructure

Solenis, LLC is a refinery located at 500 Hercules Road in Wilmington, New Castle County, Delaware, United States. The facility is currently operational and falls under the NAICS code 324110, which covers petroleum refineries. Wilmington is a key industrial hub along the Delaware River, providing access to major transportation routes for crude oil and refined products. The refinery operates under the regulatory framework of the U.S. Environmental Protection Agency (EPA), including the Clean Air Act (CAA) Refinery MACT standards for air emissions and the Clean Water Act for wastewater discharges. As a petroleum refinery, it processes crude oil into various products such as gasoline, diesel, and jet fuel. The facility's scale and complexity are typical of medium-sized refineries in the region, with a focus on producing transportation fuels and specialty chemicals. Environmental considerations for this facility include managing air emissions from refining processes, wastewater treatment, and potential risks associated with handling hazardous materials. The refinery's location near the Delaware River also necessitates compliance with spill prevention and response regulations. Solenis, LLC plays a role in the regional energy supply chain, contributing to the local economy and fuel distribution network.

The refinery is situated in an industrial area near the Delaware River, which is a major waterway for shipping and ecological habitat. Operations involve potential air emissions of volatile organic compounds and sulfur dioxide, regulated under the EPA's CAA Refinery MACT. Spill risk is a concern due to proximity to the river, requiring adherence to Spill Prevention, Control, and Countermeasure (SPCC) plans. The facility's product mix includes transportation fuels, which have downstream combustion emissions.