Grocery Store Freezer Energy Efficiency

Save up to 35% on Walk-In Freezer Energy Costs
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Supermarket Walk-In Freezer Energy Solutions

Profit margins in the grocery space are razor thin, and researchers at energystar.gov estimate that $1 in energy savings is equivalent to increasing sales by $59. Energy demands in U.S. supermarkets are massive, with refrigeration and lighting accounting for over 50% of total energy use. Each year, the average American supermarket consumes roughly 50 kilowatt-hours (kWh) of electricity, and 50 cubic feet of natural gas per square foot. This translates into average annual energy costs of $200,000, and the emission of 1,900 tons of CO2 into the atmosphere–the equivalent of 360 vehicles. Even small grocery stores have significant energy requirements as walk-in freezers experience severe heat infiltration during operating hours, necessitating the consumption of more power to keep foods at the desired temperature.

Thermal Energy Storage systems inside walk-in freezers (and distribution centers) improve temperature stability and reduce energy spend and the carbon footprints of grocery stores. 

Learn how Thermal Energy Storage reduced load by 70% and improved temperature stability by 38% inside the freezer of an international grocery chain.

Cold Storage Benefits of TES
Reduce Energy Costs Up to 50%
  • Improve efficiency an average of 26%
  • Shift load up to 13 hours to avoid demand and time-of-use charges
  • Lower pricing through demand reduction
  • Increases return on renewable energy investments by pairing them with efficient long-duration storage
Improve Refrigeration Efficiency 25%
  • Shift more run time to night
  • Run compressors at maximum designed efficiency
  • Absorb & consolidate up to 85% of heat in refrigeration air flow
  • No moving parts that require additional energy
  • PCM transfers heat 8X faster than food
Improve Temperature Resiliency & Stability
  • 3X longer temperture resiliency during power loss or equipment failure
  • Absorbs and consolidates 50 to 85% of heat infiltration
  • Reduces temperature stratification
  • Reduces temperature fluctuations by half
  • 24/7 remote monitoring & notification service
Extend Refrigeration Equipment Life
  • Reduce refrigeration mechanical run time
  • 24/7 monitoring & notification of equipment status
  • Add component-level visibility with actionable data
  • Reduce existing maintenance costs
  • Uncover equipment issues before they become costly problems
  • No additional maintenance required for TES
Preserve Food Quality & Shelf Life
  • More stable temperatures
  • Minimize micro-thawing and large crystal formations in food
  • Reporting & documentation for chain-of-cold verification
  • 3X longer thermal back-up resiliency
  • Reduces temperature stratification
Improve Profitability
  • TES-as-a-Service fixed monthly subscription
  • No upfront capital cost
  • Guaranteed energy savings
  • Cash-flow positive from day one
  • Monitoring and maintenance included
  • Off balance sheet service agreement
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