EM web content 1

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  • NC annual energy use = 2,702 trillion Btu. There fore, NC State University = 0.08% of North Carolina’s energy use.
  • EM web content 1

    1. 1. 1<br />Description of Campus Utilities<br />Purchased Utilities<br />Distributed Utilities<br /><ul><li>Electricity
    2. 2. Water and Sewer
    3. 3. Natural Gas
    4. 4. Fuel Oil #6
    5. 5. Fuel Oil #2
    6. 6. Stormwater Management
    7. 7. Electricity
    8. 8. Water and Sewer
    9. 9. Chilled Water
    10. 10. Steam and Heating Hot Water</li></li></ul><li>2<br />Description of Campus Utilities<br /><ul><li>Moving towards Centralized Distribution
    11. 11. 5 Steam and Chiller Plants
    12. 12. Cates
    13. 13. Yarbrough
    14. 14. West Chiller
    15. 15. Centennial
    16. 16. CBC
    17. 17. 3 Electrical Substations
    18. 18. Sullivan
    19. 19. Centennial
    20. 20. CBC</li></ul>What is centralized distribution?<br />
    21. 21. 3<br />District energy systems produce steam, hot water or chilled water at a central plant. The steam or water is then piped underground to individual buildings for or space heating, domestic hot water heating and air conditioning. As a result, individual buildings served by a district energy system don't need their own boilers or furnaces, chillers or air conditioners. The district energy system does that work for them, providing valuable benefits including:<br /><ul><li> Improved energy efficiency 
    22. 22. Enhanced environmental protection
    23. 23. Fuel flexibility 
    24. 24. Ease of operation and maintenance 
    25. 25. Reliability 
    26. 26. Comfort and convenience for customers 
    27. 27. Decreased life-cycle costs 
    28. 28. Decreased building capital costs 
    29. 29. Improved architectural design flexibility</li></li></ul><li>4<br />What is district energy?<br />http://www.youtube.com/watch?v=H3ef6dz8BGg<br />
    30. 30. 5<br />Campus Utilities: Chilled Water<br />Purchased Utility<br />Distributed Utility<br />CHILLER<br />Electricity (sometimes steam) and Water<br />Chilled Water<br />A chiller cycle, similar to that of a refrigerator or home AC unit, produces cold water<br />42˚ F water is pumped to campus buildings<br /><ul><li> 5 Central Plants Serving 3 Campuses
    31. 31. Currently 17,800 tons of cooling installed
    32. 32. Build out capacity of 32,600 tons
    33. 33. 4+ miles of distribution piping – 4” to 48”
    34. 34. 21 stand alone systems (not connected to Central Plants)</li></li></ul><li>6<br />Campus Utilities: Steam/Condensate<br />Distributed Utility<br />Purchased Utility<br />BOILER<br />Steam and Domestic Hot Water<br />Gas/Fuel Oil and Water <br />Steam at 150 PSI and 360˚F is distributed to campus buildings<br />Fuel is combusted in a boiler to heat water and produce steam<br /><ul><li> 4 Central Plants serving 3 Campuses
    35. 35. 1 mile of Utility Tunnels
    36. 36. 3+ miles of underground distribution pipes
    37. 37. Natural Gas, #2 Oil, and #6 Oil Fuels
    38. 38. 64 Steam & Condensate Meters</li></li></ul><li>7<br />
    39. 39. 8<br />Campus Utilities: Electricity<br />Purchased Utility<br />Distributed Utility<br />SUBSTATION<br />Electricity<br />Electricity<br />Electricity is distributed throughout main campus at 12,470 or 22,860 Volts<br />Electricity from the utility comes in at 120,ooo or 230,000 Volts<br /><ul><li> 3 Major Substations served by Progress Energy
    40. 40. 23 looped circuits
    41. 41. 170 Circuit Switches
    42. 42. 200 Building Transformers
    43. 43. 202 Meters
    44. 44. 117 locations served direct by Progress Energy</li></li></ul><li>9<br />2.2 trillion BTUs<br />
    45. 45. 10<br />$32,367,840<br />
    46. 46. The total amount spent on NC State utilities in FY 2010 was $32.2 million.<br />Electricity accounted for 65.9% ($21.2 million) of the total utility costs and provided for 52.3% of the total energy usage.<br />Natural gas accounted for 22.2% ($7.1 million) of the total utility costs and provided for 43.4% of the total energy usage.<br />6.9% ($2.2 million) of the total spent was on water supply. The water purchased was used for hygiene, HVAC, irrigation and in research laboratories<br />2.2 trillion BTUs<br />$32,367,840<br />11<br />
    47. 47. 12<br />
    48. 48. 13<br />
    49. 49. 14<br />
    50. 50. 15<br />

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