2025 Mass Save Climate Leader

About Pfizer Andover Infrastructure Engineering

Pfizer Andover is a 70-acre site that combines state-of-the-art facilities with flexible, multi-product manufacturing capabilities. Andover is strategically positioned as a fully integrated site, serving as a vital cog in both Pfizer's WRD and Pfizer Global Supply network. In 2007, Andover became the first biotechnology facility in New England to receive OSHA's Voluntary Protection Program (VPP) certification for its work in building a culture of safety.

Why They Are a 2025 Climate Leader

Over the past two years, Pfizer’s pharmaceutical manufacturing campus in Andover has partnered with National Grid and Eversource to reduce its carbon footprint. Since 2024, Pfizer has completed eight electric efficiency projects, resulting in savings of over 1 million kWh, and five gas efficiency projects, cutting 81,000 therms annually. These initiatives include building management system optimization, HVAC upgrades, variable frequency drives (VFDs), insulation improvements, and steam trap replacements. In total, Pfizer has reduced its CO2 emissions by more than 2,000 metric tons during this period. Pfizer holds biweekly meetings with National Grid and Eversource to collaborate on a growing pipeline of energy-saving and electrification opportunities, furthering its mission of "Working Together for a Healthier World."