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BIS IS 1391 Safety & IEC 60436 Water Efficiency Standard

Dishwasher Electricity & Water Cost Calculator

Calculate exact electricity units, power bills, and monthly water consumption (Liters) for Table Top, Freestanding, and Built-in Dishwashers.

BIS IS 1391 & Water Savings Engine (IEC 60436 Standard)

Dishwasher Electricity & Water Cost Calculator

[REPRESENTATIVE INDUSTRY BENCHMARK]
Default: 7 cycles per week (1 load/day)
Leave ₹0.00 if municipal water is flat/unmetered.
Estimated Monthly Electricity Bill
₹375.93
Based on 27 Units/month
Estimated Monthly Water Usage
285 Liters / month
Per cycle: 9.5 Liters
Annual Operating Cost (Elec + Water)
₹4511.16
Annual Units: 324 kWh | Water: 3,420 L
Active Tariff Engine
UPPCL
UPPCL Urban LMV-1 Tariff Engine (UPERC Order)
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Massive Water Savings vs Traditional Hand Washing

Manual hand washing of 13 place settings uses ~60 Liters of running tap water. Modern dishwashers use only 9.5 Liters per load—saving over 1,500 Liters of fresh water every month!

85% Water Reduction

🧾 Step-by-Step Calculation Audit Proof

Standardized IEC 60436 Energy & Water per Cycle
BEE Voluntary / IEC 60436 Metric (12-13 Place Setting Standard Dishwasher Benchmark (0.90 kWh/cycle, 9.5L) | ECO_50C)
0.9 kWh/cycle | 9.5 Liters/cycle
Monthly Wash Cycles
7 cycles/week × (30 days / 7)
30 Wash Cycles / month
Monthly Energy & Water Consumption
0.9 kWh/cycle × 30 cycles
27 Units/month | 285 Liters/month
Estimated Monthly Electricity & Water Bill
Electricity: ₹375.93 + Water: ₹0.00
₹375.93 / month
Standardized Energy & Water Methodology Disclosure:
  • Dishwasher power consumption is measured per wash cycle (kWh/cycle) under IEC 60436 standard testing conditions.
  • Modern dishwashers use ~9.5 Liters of water per Eco cycle versus ~60 Liters for traditional manual hand washing of 12-14 place settings.
  • Calculated electricity and water costs preserve double precision internally while rounding presentation values.
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How Dishwasher Electricity & Water Consumption is Calculated

Dishwashers draw power primarily during water heating phase (1,800W–2,400W heater) and drying. Standardized IEC 60436 testing measures energy per cycle (kWh/cycle) and water per cycle (Liters/cycle).

Monthly Energy (kWh) = kWh per Wash Cycle × Monthly Wash Load Cycles
Monthly Water (Liters) = Liters per Wash Cycle × Monthly Wash Load Cycles
Worked Example (Bosch 13 Place Setting): 0.92 kWh/cycle × 30 cycles = 27.60 Units/month (₹207.00/month @ ₹7.50/unit) & 285 Liters water/month

Dishwasher Category Benchmark Comparison Table

Dishwasher CategoryPlace SettingsEnergy per CycleWater per CycleMonthly Bill (1 load/day @ ₹7.50/unit)
Compact Tabletop Dishwasher8 Place Settings0.62 kWh / cycle8.0 Liters₹139.50 / month
Standard Freestanding Dishwasher12 - 13 Place Settings0.90 kWh / cycle9.5 Liters₹202.50 / month
Large Built-in Dishwasher14 Place Settings0.93 kWh / cycle9.6 Liters₹209.25 / month
Dishwasher Electricity & Water Cost Calculator | BijliWise