With the passing of each year, one of the measurements that we like to use to gauge our success as a business is our effectiveness in reducing our impact on the environment. Five years ago we inputted our first set of measurements using the Carbon Counted website. Taking the unit consumption of energy from our utility bills, as well as, the quantity of refrigerant required to replenish our refrigeration systems in the event of leaks allows us to review our success in implementing conservation efforts here in the store, and plan for improvements in the future.
This year we are pleased to have reduced our carbon foot print yet again. Carbon Counted measures our performance using two scopes. Scope 1 measures our fuel consumption as well as our refrigerant loss. Scope 2 measures our electricity usage. On Scope 1, our store measured an amazing 71.56% below the industry average (as measured on a per square foot basis). When it came to electricity we measured 39.63% lower than the average.
Our ability to measure 71.56% lower than the industry average on building energy is due in large part to our success in reclaiming our heat from our refrigeration system to heat our store, as well as our excellent track record of three consecutive years without a refrigerant leak. While our grocery store used 22352L of propane in 2011, creating carbon emissions of 34.51 metric tonnes of CO2 (we don’t have access to natural gas in Westport), comparable stores on average used 31906 cubic meters of natural gas with emissions of 60.4 metric tonnes of CO2.
With respect to our electricity usage, we measured a significant 39.63% lower than the average, thanks to our strategic investments in modern equipment and improved humidity controls in the store. Improving air quality is key to reducing refrigeration costs as compressors must work harder, consuming more electricity than necessary when humidity levels are high. Further energy savings are anticipated as we continue to replace smaller fan motors with electronic motors and our florescent case lighting with LEDs.
Prior to our renovation and retrofit which began in 2008, our annual emissions were 16.60kg of CO2 per square foot. Today we continue to improve our results, this year reducing our output again down to 10.57kg/sq ft. You can have a look at our complete report for 2011, along with comparative analysis here: Kudrinko’s Carbon Footprint Report 2011.