Actual store data
For small convenience store (450 m2), the result is clear: even if the energy consumption is significantly higher for plugins solution (+43%), its low cost installation lower the total cost over the considered period by 10% compared to a remote solution.
For supermarkets (650 m2), the results between the two technological proposals are similar: the energy consumption is still significantly higher for plugins solution (+32%), but higher equipment and installation costs for a remote system even the economical figures over the considered period, with a small difference of 1.6% compared to a plugins solution.