University of Maine Cooperative Extension logo

thermostat

Information you can use,
research you can trust

Home     Find your county office     Publications     About us     News     Events     Programs     Partners & other resources     UMaine


Energy

Energy-Saving Tips
Additional Resources

County Offices
 Find out about workshops and demonstrations in your neighborhood and around the state.

University of Maine Cooperative Extension
5741 Libby Hall
Orono, ME 04469-5741
(207) 581-3188
1-800-287-0274 (in Maine)
TDD: 1-800-287-8957 (in Maine)
FAX: (207) 581-1387
E-Mail: www-questions@umext.maine.edu

These pages are currently being maintained from the Piscataquis County  Office, University of Maine Cooperative Extension. Send comments, suggestions or inquiries to the Donna Coffin.
 

Was this Web site helpful?
 Please let us know by completing our short ten question online survey: UMaine Extension Energy Web Site Survey

    Table 1: Cost in Dollars per Million BTU's          
                             
Type of Fuel   AFUE *   $10 dollars to $34 dollars per million BTUs        
Units % efficiency  $   10.00  $   12.00  $   14.00  $   16.00  $   18.00  $    20.00  $   22.00  $   24.00  $   26.00  $   28.00  $     30.00  $    32.00  $   34.00
                               
Kerosene (No. 1 fuel oil)  gallons 90% 1.22 1.46 1.70 1.94 2.19 2.43 2.67 2.92 3.16 3.40 3.65 3.89 4.13
Burner Fuel (No. 2 oil)  gallons 65% 0.90 1.08 1.26 1.44 1.62 1.80 1.98 2.16 2.34 2.52 2.70 2.88 3.06
Burner Fuel (No. 2 oil)  gallons 85% 1.18 1.41 1.65 1.88 2.12 2.35 2.59 2.83 3.06 3.30 3.53 3.77 4.00
Electricity Kwh 100% 0.03 0.04 0.05 0.05 0.06 0.07 0.08 0.08 0.09 0.10 0.10 0.11 0.12
Natural Gas therm 75% 0.75 0.90 1.05 1.20 1.35 1.50 1.65 1.80 1.95 2.10 2.25 2.40 2.55
Natural Gas therm 95% 0.95 1.14 1.33 1.52 1.71 1.90 2.09 2.28 2.47 2.66 2.85 3.04 3.23
Propane gallons 95% 0.88 1.05 1.23 1.41 1.58 1.76 1.93 2.11 2.28 2.46 2.64 2.81 2.99
Anthracite Coal tons 60% 156 187 218 250 281 312 343 374 406 437 468 499 530
Hardwood (20% moisture) airtight cord 50% 120 144 168 192 216 240 264 288 312 336 360 384 408
Hardwood (20% moisture) catalytic converter cord 70% 168 202 235 269 302 336 370 403 437 470 504 538 571
Pine (20% moisture) airtight stove cord 50% 75 90 105 120 135 150 165 180 195 210 225 240 255
Pine (20% moisture) catalytic converter cord 70% 105 126 147 168 189 210 231 252 273 294 315 336 357
wood pellets in a pellet stove tons 80% 128 154 179 205 230 256 282 307 333 358 384 410 435
corn fuel***  (15% moisture) tons 75% 128 153 179 204 230 255 281 306 332 357 383 408 434
                             
                             
                             
  AFUE **   $36 dollars to $60 dollars per million BTUs        
Type of Fuel Units % efficiency  $   36.00  $   38.00  $   40.00  $   42.00  $   44.00  $    46.00  $   48.00  $   50.00  $   52.00  $   54.00  $     56.00  $    58.00  $   60.00
                               
Kerosene (No. 1 fuel oil)  gallons 90% 4.37 4.62 4.86 5.10 5.35 5.59 5.83 6.08 6.32 6.56 6.80 7.05 7.29
Burner Fuel (No. 2 oil)  gallons 65% 3.24 3.42 3.60 3.78 3.96 4.14 4.32 4.50 4.68 4.86 5.04 5.22 5.40
Burner Fuel (No. 2 oil)  gallons 85% 4.24 4.47 4.71 4.94 5.18 5.42 5.65 5.89 6.12 6.36 6.59 6.83 7.06
Electricity Kwh 100% 0.12 0.13 0.14 0.14 0.15 0.16 0.16 0.17 0.18 0.18 0.19 0.20 0.20
Natural Gas therm 75% 2.70 2.85 3.00 3.15 3.30 3.45 3.60 3.75 3.90 4.05 4.20 4.35 4.50
Natural Gas therm 95% 3.42 3.61 3.80 3.99 4.18 4.37 4.56 4.75 4.94 5.13 5.32 5.51 5.70
Propane gallons 95% 3.16 3.34 3.52 3.69 3.87 4.04 4.22 4.39 4.57 4.75 4.92 5.10 5.27
Anthracite Coal tons 60% 562 593 624 655 686 718 749 780 811 842 874 905 936
Hardwood (20% moisture) airtight cord 50% 432 456 480 504 528 552 576 600 624 648 672 696 720
Hardwood (20% moisture) catalytic converter cord 70% 605 638 672 706 739 773 806 840 874 907 941 974 1008
Pine (20% moisture) airtight stove cord 50% 270 285 300 315 330 345 360 375 390 405 420 435 450
Pine (20% moisture) catalytic converter cord 70% 378 399 420 441 462 483 504 525 546 567 588 609 630
wood pellets in a pellet stove tons 80% 461 486 512 538 563 589 614 640 666 691 717 742 768
corn fuel***  (15% moisture) tons 75% 459 485 510 536 561 587 612 638 663 689 714 740 765
                             
Assumptions                              
    Heat Value**           Heat Value**           Heat Value**  
Units BTUs/unit         Units BTUs/unit         Units BTUs/unit  
Kerosene (No. 1 fuel oil)  gallons              135,000   Propane     gallons           92,500     wood pellets in a pellet stove   tons   16,000,000  
Burner Fuel (No. 2 oil)  gallons              138,500   Anthracite Coal   tons    26,000,000     corn fuel***  (15% moisture)   tons   17,000,000  
Burner Fuel (No. 2 oil)  gallons              138,500   Hardwood (20% m) airtight cord    24,000,000              
Electricity Kwh                  3,413   Hardwood (20% m) catalytic converter cord    24,000,000              
Natural Gas therm              100,000   Pine (20% m) airtight stove cord    15,000,000              
Natural Gas therm              100,000   Pine (20% m) catalytic converter cord    15,000,000              
                             
                             
*Annual Fuel Utilization Efficiency (AFUE) from Maine Wood Burining Guide, Energy Conservation Division, Dept. of Economic and Community Dvelopment, 59 State House Station, Augusta, ME  04333-0059  
**Bartok, J., Uconn, 1994 http://www.hrt.msu.edu/Energy/pdf/Heating%20Value%20of%20Common%20Fuels.pdf                  
***Buffington, Penn State , http://energy.cas.psu.edu/energycontent.html                          
                             

Adapted by Donna Coffin, University of Maine Cooperative Extension Educator. Reviewed by Gleason Gray and Kathy Hopkins, University of Maine Cooperative Extension Educators.

Published and distributed in furtherance of Acts of Congress of May 8 and June 30, 1914, by the University of Maine Cooperative Extension, the Land Grant University of the state of Maine and the U.S. Department of Agriculture cooperating. Cooperative Extension and other agencies of the U.S.D.A. provide equal opportunities in programs and employment. Call 800-287-0274 or TDD 800-287-8957 (in Maine), or 207-581-3188, for information on publications and program offerings from University of Maine Cooperative Extension, or visit www.umext.maine.edu. 2008

University of Maine crest artLast Modified: 08/19/09 | Accessibility | Non-discrimination & Disability Resources | Disclaimer | Photo Credit | Copyright |

A Member of the University of Maine System