Our History

Waterwheels at numerous falls powering grist, lumber, and textile mills gave birth to New Hampshire industry. To serve the people of the larger towns which grew up around those mills, as well as the shipping center of Portsmouth, came gas lights and horse-drawn streetcars. When electricity came to New Hampshire in the 1880s, more efficient electric arc lights and trolley cars replaced the earlier contrivances. Soon, all kinds of electronic devices were being invented . . .

Learn how the Public Service Company of New Hampshire was formed in 1926 to meet the expanding power needs of the state, and how it grew over its 75 year history while it helped to grow New Hampshire.

• First Light - The Years Before PSNH
• Consolidation - PSNH is Born
• Growing the Grid - PSNH Powers NH
• Decades of Discovery - PSNH's Modern History