Registration required. Join us at the conclusion of the first day of BuildingEnergy Boston 2025 to toast 50 years of NESEA! We'll gather to celebrate our first 50 years, share our dreams for the future, and connect with others from our growing NESEA community. Registration includes hearty hors d'oeuvres and one complimentary drink ticket.

Please note: This event is open to the public, and tickets are required. Tickets are available as an add-on to your conference registration. If you have already registered for the conference and would like to acquire a ticket, please contact registration@nesea.org.