Calculating the diesel generator working cost involves considering several factors, including fuel consumption, maintenance, depreciation, and other operational expenses. Here’s a detailed breakdown of how to estimate the working cost:

### 1. Diesel Generator Fuel Consumption

Diesel generators consume fuel based on their load. Fuel consumption is typically measured in liters per hour (L/hr).

#### Steps to Calculate Fuel Cost:

**Determine Fuel Consumption Rate:**Refer to the generator’s specifications to find the fuel consumption rate at different load levels (e.g., 50%, 75%, 100% load).**Calculate Hourly Fuel Cost:**Multiply the fuel consumption rate (L/hr) by the cost of diesel per liter.

Example:

**Fuel Consumption Rate:**0.2 L/kWh at 50% load, 0.3 L/kWh at 75% load, 0.4 L/kWh at 100% load.**Diesel Cost:**$1.50 per liter.

For a 10 kW generator running at 75% load:

$Fuel Consumption=10kW×0.3L/kWh=3L/hr$

Hourly Fuel Cost=3 L/hr×$1.50/L=$4.50/hr

### 2. Diesel Generator Maintenance Costs

Maintenance costs include regular servicing, oil changes, filter replacements, and potential repairs.

#### Steps to Calculate Maintenance Cost:

**Annual Maintenance Cost:**Estimate based on the generator’s maintenance schedule and historical data.**Divide by Annual Running Hours:**To get the cost per hour.

Example:

**Annual Maintenance Cost:**$1,000**Annual Running Hours:**1,000 hours

Hourly Maintenance Cost=$1,000/1,000hours=$1/hr

### 3. Diesel Generator Depreciation

Depreciation accounts for the reduction in the generator’s value over time.

#### Steps to Calculate Depreciation Cost:

**Initial Cost of Generator:**Purchase price.**Lifespan:**Expected operational life in hours or years.**Salvage Value:**Estimated residual value at the end of its lifespan.

Example:

**Initial Cost:**$10,000**Lifespan:**10,000 hours**Salvage Value:**$1,000

Depreciation Cost per Hour=$10,000−$1,000/10,000hours=$0.90/hr

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### 4. Other Operational Costs

Include costs such as labor, insurance, and any additional miscellaneous expenses.

Example:

**Labor Cost:**$0.50 per hour**Insurance Cost:**$200 per year / 1,000 hours = $0.20 per hour

### Diesel Generator Total Working Cost

Add up all the components to get the total working cost per hour.

#### Example Calculation:

**Fuel Cost per Hour:**$4.50**Maintenance Cost per Hour:**$1.00**Depreciation Cost per Hour:**$0.90**Other Operational Costs per Hour:**$0.70 ($0.50 labor + $0.20 insurance)

𝙏𝙤𝙩𝙖𝙡 𝘿𝙞𝙚𝙨𝙚𝙡 𝙂𝙚𝙣𝙚𝙧𝙖𝙩𝙤𝙧 𝙒𝙤𝙧𝙠𝙞𝙣𝙜 𝘾𝙤𝙨𝙩 𝙥𝙚𝙧 𝙃𝙤𝙪𝙧=$4.50+$1.00+$0.90+$0.70=$7.10/𝙝𝙧

### Summary

The working cost of a diesel generator includes:

**Fuel Costs:**Dependent on consumption rate and fuel price.**Maintenance Costs:**Regular servicing and parts replacement.**Depreciation Costs:**Reduction in value over operational life.**Other Costs:**Labor, insurance, and miscellaneous expenses.

Using the provided example, the total working cost for the 10 kW generator running at 75% load is $7.10 per hour. Adjust these calculations based on your specific generator’s specifications, local diesel prices, and operational factors.