Completed Solar Projects

Central Street Solar; Rowley MA

Design/Build 646.38kWdc Ground Mounted Commercial Solar Array

This project involved converting a small agricultural field in Rowley, MA to a commercial ground mounted solar array. This array is generating power which is being distributed to the grid and sold directly to the area municipal power company. As an investor in this project, we worked with our business partners to procure and handle all components and oversee general site construction. Highlights of this project are:

  • 646.38kWDC/519.00kWAC
  • (1) 23kW, (1) 28kW & (13) 36kW 480V, 3Ø4W, Solectria TL string inverters
  • (115) 1000VDC strings
  • 2052 Neo Solar Power 315W modules
  • Complete weather station including an ambient temperature sensor, anemometer and  pyranometer
  • Draker Data Acquisition System with a data logger, cell temperature sensor and generation meter
  • New 800A, 480V, 3Ø4W underground electrical service


Littleworth Road Solar Array, Dover, NH    

Design/Build 267.0kWAC/334.53kWDC Ground Mounted Commercial Solar Array

  • (1,062) 315W modules mounted to an RBI racking system
  • Eight 3Ø, 480V, Solectria string inverters of varying sizes
  • Power distribution equipment to aggregate the AC power and convert the 480V system to 12.47kV before interconnecting with the Eversource primary distribution circuit
  • New 600A, 480V, 3Ø 4W underground electrical service


Salmon Falls Solar Array, Somersworth, NH

Design/Build 81.84kWDC/60.8kWAC, single phase, ground mounted solar array

  • Eight 1Ø Solectria PVI 7600TL string inverters
  • New 400A, 120/240V, 1Ø 3W underground electrical service

News and Information

We are excited about our newest venture in the industrial market; PES, Inc. has become a UL 508A Listed ICP Manufacturer! PES has always had the ability and the confidence to solve our Customer’s problems where control systems are concerned. From vintage magnetic control packages to more modern solid state systems, we have been there to assist with design, installation, upgrades, integration, troubleshooting and repair. Like most other electrical contractors, we relied on vendors to furnish us with a UL 508A Listed industrial control cabinet as required by the National Electrical Code. And while these products are sufficient for most [More]

We couldn’t be happier with the results of the ice rink project this winter at Strawbery Banke in Portsmouth!  Progressive was selected for the electrical portion of the install of a temporary ice skating rink constructed on the lawn at the historical 10 acre outdoor museum.  Officially called the “Labrie Family Skate at Puddle Dock Pond” it is a public skating rink erected for the winter season.  The rink will be dismantled and stored away until the fall when the cold weather returns.  This unique project offered a variety of challenges with the design and implementation of the modular installation [More]

Contact Us

1 Concord Road
Lee, NH 03861
Tel: (603) 397-5320