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Grocery store sustainability – Reduce waste, save money and stand out in the crowded food retail sector!

energy efficiencyManomet’s Grocery Stewardship Certification program will save you money and increase your revenue, show your customers that you are invested in creating a better world and improve your operating efficiency.  By reducing environmental impact across all of your stores and providing you with actionable data on waste reduction, energy efficiency, greenhouse gas emissions and more, grocers can differentiate themselves from their competitors and engage employees from the store-level to headquarters with their sustainability mission.

Working with the GSC will allow you to:

  • Quantify the monetary value of your existing sustainability efforts chain-wide;
  • Learn additional no-cost/low-cost operational opportunities (average of $20,000 per store) to save money/resources and generate revenue;
  • Ensure that employees are engaged to reduce turn-over costs, enhance recruitment and retention of talent and boost employee productivity; and
  • Provide consistency and accountability at the store-level for operational sustainability procedures that reduce waste and save money.

To get started email or call Program Manager Peter Cooke at 207-721-9040 ext. 106.

Simple Certification Steps

1 Complete the GSC’s Online Sustainability Workbook for grocery retailers.

2 Get points for existing practices, plus gain recognition for additional innovative sustainable practices and activities already in place.

3 Achieve certification by scoring above point threshold.

4 Inform, train and educate all associates involved in the following areas:

  • Energy efficiency
  • Chemical usage
  • Storm water impacts
  • Waste reduction
  • Employee engagement
  • Water conservation

5 Get briefed on your final report and data analysis that showcases your sustainability strengths and weaknesses.

6 Work with the GSC program staff on further assessments, public relations activities surrounding your certification, training, additional improvements, benchmarking and more.


From 12 stores (about the size of a district for a large retailer) we can expect the following reductions in waste generated and resources used:

Reduction In Annual Reduction Estimated Annual Savings
Water 3.6 million gallons Over $18,000
Electricity 2 million kWh, 100,000 therms Over 200,000
Natural Gas/Propane 100,000 therms Over $120,000
Solid Waste 12 million lbs of solid waste (1.2 million lbs of this is food waste)
2.8 million lbs is donated each year by each district
Greenhouse Gas 103 million lbs, 47,000 MT Taking 9,184 cars off the road