What will happen if there’s awater shortage?Water wars
Energy measurement(1-22 February 2013; 1-22 March 2013)Methods : Checking home energy meters
Saving methodsCalculating and cutting down on the averageenergy use in a householdElectronic appliances come withenergy labels to inform consumersabout how much electricity theyrequire. The cost to use thatappliance can be determined fromthis label.In the example on this slide, the pieceof electronics is rated at using 65 wattsof electricity. If you used this appliancefor one hour, it would use 65 watt-hours of electricity.Electricity is sold by kilowatt hour, so youwould need to convert watts to kilowattsto determine the cost. If you used thisappliance for two hours, it would use 130watts of electricity (2 hours x 65 watts).
Electricity consumptionbefore and after saving measures0501001502002503001-22 February1-22 March Savings294.5275.8918.61average energyconsumptionmeasured in kwh
Electricity consumption for 32families1kwh = 0,68 PLN13226,3 kwh x 0,68 = 8 993,88 PLN ≈ € 2248,471-22 February 20131-22 March 201310426,12 kwh x 0,68 = 7 089,76 PLN ≈ € 1772,44