Library: 2005, Select Energy Services, Inc.

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Final Report for National Grid USA Service Company Evaluation of 2003 Custom HVAC Installations - Part II

Date Published: September 27, 2005     Document Type: Report

National Grid USA Service Company's (National Grid's) retail affiliates (Massachusetts Electric, Narragansett Electric, Granite State Electric, and Nantucket Electric) provide technical and financial assistance to their commercial and industrial customers for equipment and building energy efficiency improvements. Improvements can be either custom-engineered or selected from a list of prescribed measures. This impact evaluation study is Part II of two parts, and reviews two Custom HVAC projects completed in 2003.

The HVAC improvement projects included the installation of a variable frequency drive (VFD) on a chiller and transforming a single loop chilled water system into a primary/secondary loop system with VFDs on the secondary loop pumps.

Final Report for National Grid USA Service Company Evaluation of 2003 Custom Process Installations - Part 1

Date Published: August 24, 2005     Document Type: Evaluation Study / Report, Report

National Grid USA Service Company’s (National Grid’s) retail affiliates (Massachusetts Electric, Narragansett Electric, Granite State Electric, and Nantucket Electric) provide technical and financial assistance to their commercial and industrial customers for equipment and building energy efficiency improvements. Improvements can be either custom-engineered or selected from a list of prescribed measures.This impact evaluation study is Part I of two parts, and reviews 10 Custom process projects that fall into the categories of process improvements (4 sites), process cooling (2 sites), and one site each of variable-speed drives (VSDs), compressed air system modifications, industrial refrigeration and “other”.