Service - Massachusetts - California
Northeast Energy Systems & Western Energy Systems - Power Systems Specialists

Parts & Service


Gas Engine Receiving Service
Gas Engine Receiving Service

NES-WES is the authorized supplier of genuine Jenbacher Gas Engine spare parts. We understand spare parts availability is critical to our customers operations. As a result, we stock approximately 3 million dollars of genuine parts. These spare parts can be dispatched at short notice where required in our territory.

In addition to new genuine parts, NES-WES can also offer re-conditioned and service exchange items.


NES-WES has a comprehensive network of highly trained field service engineers spread throughout the territory in which we operate. This facilitates rapid response to your generator in the event of any unscheduled maintenance requirements. With our Long Term Service Agreements, we are able to offer optimized response times and availability guarantees. Alternatively, for larger sites our engineers can be assigned dedicated to a single installation.

  • Quality control and accountability
  • Rapid dispatch
  • Competitive pricing
  • Maximum plant reliability and availability