EM web content 1
- 1. 1Description of Campus UtilitiesPurchased UtilitiesDistributed UtilitiesElectricity
- 3. Natural Gas
- 4. Fuel Oil #6
- 5. Fuel Oil #2
- 7. Electricity
- 10. Steam and Heating Hot Water2Description of Campus UtilitiesMoving towards Centralized Distribution
- 11. 5 Steam and Chiller Plants
- 12. Cates
- 13. Yarbrough
- 14. West Chiller
- 15. Centennial
- 16. CBC
- 17. 3 Electrical Substations
- 18. Sullivan
- 19. Centennial
- 20. CBCWhat is centralized distribution?
- 21. 3District 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: Improved energy efficiency
- 22. Enhanced environmental protection
- 23. Fuel flexibility
- 24. Ease of operation and maintenance
- 25. Reliability
- 26. Comfort and convenience for customers
- 27. Decreased life-cycle costs
- 28. Decreased building capital costs
- 29. Improved architectural design flexibility4What is district energy?http://www.youtube.com/watch?v=H3ef6dz8BGg
- 30. 5Campus Utilities: Chilled WaterPurchased UtilityDistributed UtilityCHILLERElectricity (sometimes steam) and WaterChilled WaterA chiller cycle, similar to that of a refrigerator or home AC unit, produces cold water42˚ F water is pumped to campus buildings 5 Central Plants Serving 3 Campuses
- 31. Currently 17,800 tons of cooling installed
- 32. Build out capacity of 32,600 tons
- 33. 4+ miles of distribution piping – 4” to 48”
- 34. 21 stand alone systems (not connected to Central Plants)6Campus Utilities: Steam/CondensateDistributed UtilityPurchased UtilityBOILERSteam and Domestic Hot WaterGas/Fuel Oil and Water Steam at 150 PSI and 360˚F is distributed to campus buildingsFuel is combusted in a boiler to heat water and produce steam 4 Central Plants serving 3 Campuses
- 35. 1 mile of Utility Tunnels
- 36. 3+ miles of underground distribution pipes
- 37. Natural Gas, #2 Oil, and #6 Oil Fuels
- 38. 64 Steam & Condensate Meters7
- 39. 8Campus Utilities: ElectricityPurchased UtilityDistributed UtilitySUBSTATIONElectricityElectricityElectricity is distributed throughout main campus at 12,470 or 22,860 VoltsElectricity from the utility comes in at 120,ooo or 230,000 Volts 3 Major Substations served by Progress Energy
- 40. 23 looped circuits
- 41. 170 Circuit Switches
- 42. 200 Building Transformers
- 43. 202 Meters
- 44. 117 locations served direct by Progress Energy92.2 trillion BTUs
- 45. 10$32,367,840
- 46. The total amount spent on NC State utilities in FY 2010 was $32.2 million.Electricity accounted for 65.9% ($21.2 million) of the total utility costs and provided for 52.3% of the total energy usage.Natural gas accounted for 22.2% ($7.1 million) of the total utility costs and provided for 43.4% of the total energy usage.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 laboratories2.2 trillion BTUs$32,367,84011
- 47. 12
- 48. 13
- 49. 14
- 50. 15
Editor's Notes
- #12: NC annual energy use = 2,702 trillion Btu. There fore, NC State University = 0.08% of North Carolina’s energy use.