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Commercial Case Studies

Pacific Gas and Electric – San Jose, CA (2013)

An independent study performed at regional grocery store chain

PG&E’s Emerging Technologies Program – ET12PGE1491

Executive Summary :

A grocery store customer within PG&E territory installed Anti-Fog film on the inside glass of a five-door frozen food display case and the door anti-sweat heat was disabled on the doors of the display case. PECI analyzed actual energy consumption for three weeks before and three weeks after the door heat was turned off to determine the avoided energy use from reduced load on the compressor and reduced door heater energy use during the post retrofit period. Energy data was metered at the doors and at the condensing unit serving the case to capture savings directly from the reduction in door heat power and to capture the reduction in load on the condensing unit. The pre and Post metered data was also used to calculate estimated annual energy savings. table1 below display the results from the avoided energy use calculations,as well as the estimated annual savings.

AVOIDED KWH (Savings) ANNUAL KWH (Savings)
173.0 3,128

Results :
3,128 kWh of Annual Savings Verified
ROI of 1.3 years
6 year savings = $3,753
10 year savings = $6,256

New York Con Edison – Brooklyn,NY(2013)

Study performed at regional grocery store chain

  • 50 Door Installation
  • Approvals through NY Con Edison & Lockheed Martin
  • Only Film Supplier on NY Con Edison’s coveted “Market Partners” program

Results :
31,536kWh of Annual Savings Verified
ROI of 2 years
6 year savings = $34,059
10 year savings = $56,765

Duke Energy – Charlohe,NC (2014)

Large scale project at 53 locations

Results :
240,000 kWh of Annual Savings Verified
ROI of 1.8 years
6 year savings = $234,861
10 year savings = $389,767

Southern California Edison – Los Angeles, CA (2014)

Large scale rollout at 47 locations

Results :
336,000 kWh of Annual Savings Verified
ROI of 1.4 years
6 year savings = $301,000
10 year savings = $501,420