Used Oil Worksheet CURRENT FUEL CONSUMPTION On average, how much used oil do you generate per year? 750 Gallons 750 Gallons How much natural gas was consumed to heat your shop last January? 892 ccf 892 ccf What dollar amount was spent on natural gas charges last January? $187 Dollars $187 Dollars FUEL REQUIREMENT CALCULATIONS Heat Value for Natural Gas = 1,020 BTU/scft 892 scft Natural Gas x 1020 BTU/scft x 6 months = 5,459,040 BTU/6 Mo. 5,459,040 BTU/6 Mo. 5,459,040 BTU /4,320 hrs = 1,264 BTU/Hr 1,264 BTU/Hr 5,459,040 BTU x gal /135,000 BTU /6 months = 7 Gallons/Month 7 Gallons/Month COST CALCULATIONS (choose small, medium or large unit depending on your BTU requirment /hr) Capital cost for SMALL* unit = $4,413 average $4,413 Dollars $4,413 Dollars Capital cost for MEDIUM** unit = $5,993 average N/A Dollars N/A Dollars Capital cost for LARGE*** unit = $10,375 average N/A Dollars N/A Dollars $4,413.00 /36 months = $123 /Mo. Over 3 Yrs. $123 /Mo. Over 3 Yrs. Payback less than 3 years? YES YES *140,000 – 200,000 btu/hr maximum capacity **200,000 – 350,000 btu/hr maximum capacity ***350,000 – 500,000 btu/hr maximum capacity YOUR FACILITY EXAMPLE YOUR FACILITY EXAMPLE Used Oil Cost-Benefit Worksheet Natural Gas YOUR FACILITY EXAMPLE