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Electrical consumption for DHW way too high

I input a water heater stratified for DHW in my model wich represent a 66 m2 appartement with one room. My heating loads seems alright (around 3-4 GJ in total) but for some reason my water consumption is up the roof. I put a faucet and a shower at a peak rate of 0.000158 m3/s with a schedule for these equipement define in EnergyPlus examples. I have a electricity consumption of 42 GJ for the water heater wich seem way too big. I tried many differents things, but i dont how i can correct this. Can someone help me please ?

Electrical consumption for DHW way too high

I input a water heater stratified for DHW in my model wich represent a 66 m2 appartement with one room. My heating loads seems alright (around 3-4 GJ in total) but for some reason my water consumption is up the roof. I put a faucet and a shower at a peak rate of 0.000158 m3/s with a schedule for these equipement define in EnergyPlus examples. I have a electricity consumption of 42 GJ for the water heater wich seem way too big. I tried many differents things, but i dont how i can correct this. Can someone help me please ?