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NON TRADITIONAL METERING

flkjsflkfjl. NON TRADITIONAL METERING. Rick Allison – Chief Engineer, Enercon Engineering Presented by Lawrence Tangel V.P. Enercon Engineering Chairman of USCHPA. #1 Altorfer Lane, East Peoria, IL 61611 PH: 309-694-1418; FX: 309-694-3703 WWW.enercon-eng.com.

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NON TRADITIONAL METERING

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  1. flkjsflkfjl NON TRADITIONAL METERING Rick Allison – Chief Engineer, Enercon Engineering Presented by Lawrence Tangel V.P. Enercon Engineering Chairman of USCHPA #1 Altorfer Lane, East Peoria, IL 61611 PH: 309-694-1418; FX: 309-694-3703 WWW.enercon-eng.com

  2. TYPES OF NON-TRADITIONAL METERING • Total System Metering For DG & Combined Heat and Power - aka ‘RECYCLED ENERGY’ • Net Metering • Remote Telemetry Metering for Off-Site Generation

  3. TOTAL SYSTEM METERING FOR COMBINED HEAT AND POWER • Traditional metering of generation

  4. TYPICAL GENERATOR METERING

  5. TOTAL SYSTEM METERING FOR COMBINED HEAT AND POWER • Traditional metering of generation • Metering at the point of grid connection

  6. TYPICAL INTERTIE METERING

  7. TYPICAL INTERTIE METERING

  8. TOTAL SYSTEM METERING FOR COMBINED HEAT AND POWER • Traditional metering of generation • Metering at the point of grid connection • Metering of the heat recovery system • Therms and Therms/hour (1 Therm = 100,000 BTU’s)

  9. HEAT RECOVERY METERING AND MONITORING

  10. NET METERING • What is Net Metering? • Purchased Electricity - Generated Electricity • The grid as a “storage” medium. • Makes use of existing revenue metering devices • Credit issued for net generation

  11. NET METERING • Where Net Metering Available? • Availability is restricted by each States PUC/PSC Regulations • Some States where it is available: • OR, MT, WA, ID, NY, NJ, ?? CA ?? • It is being considered in others

  12. NET METERING • Who is eligible for Net Metering? • Regulations vary between States • Residential and Small Industrial/ Commercial users • Size of generation • No minimum size • Maximum size varies from 25 KW – 2mW • Renewable energy and some cogeneration systems

  13. NET METERING • What types of generation are currently eligible for Net Metering • Solar • Wind • Hydro • Fuel cells • Methane fueled generation from: • Animal Waste (NY) • Landfills (NJ) • Biomass (cultivated & harvested sustainable manner) (NJ) • Small Co-Generation <100 kW (ID)

  14. NET METERING • What is the future of Net Metering? • Expanded area of availability (States) • Increase in allowable size of generation • Inclusion of energy saving technologies • Combined Heat and Power • Distributed generation

  15. REMOTE METERING FOR OFFSITE GENERATION • Remote metering of the load is transmitted to the generation site • Several methods of telemetry are available • Fiber optic connection • Leased (dedicated) phone lines • Line carrier signals • Satellite communications/modems • Determining factors in choice of telemetry • Distance between load and generation • Local infrastructure • Frequency of generation • Cost

  16. REMOTE METERING FOR OFFSITE GENERATION • All meter values are summed at the generation site • Power is exported to match remote loads • Common application is for demand curtailment operations • Utility initiated on high (peak) load levels • Initiation via SCADA • Notification of customer • System can reduces loads to the contractual level of the curtailment contract – often near zero

  17. REMOTE METERING FOR OFFSITE GENERATION • Expands the possible applications • Eliminates problems with “spot network” loads by generating at the substation level. • Allows the generation to be located at the available “heat load” for CHP • Can reduce cost of “inter tie” protection

  18. REMOTE METERING FOR OFFSITE GENERATION • Example 1. Waste water treatment facility with two sites • Separate distribution substations • Fed from common transmission lines • Generation located at substation with the critical standby loads which were also the largest loads

  19. REMOTE METERING FOR OFFSITE GENERATION • Example 2 - Multiple city center users with generation at a remote substation • Solution for “spot network” distribution system • Local installation was prohibitive • Restrictive space (installation/service) • Noise and emissions problems

  20. REMOTE METERING FOR OFFSITE GENERATION • Example 3. Association of non-generating rural coops • Provides curtailment for total usage level of all the coops • Installation was at the substation of the largest user to insure adequate interconnect capacity for the power exported.

  21. flkjsflkfjl NON TRADITIONAL METERING Contact Information: Rick Allison rallison@enercon-eng.com Lawrence Tangel ltangel@enercon-eng.com #1 Altorfer Lane, East Peoria, IL 61611 PH: 309-694-1418; FX: 309-694-3703 WWW.enercon-eng.com

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