WHITE MOUNTAIN ENERGY PROJECT UPDATE JIM MEACHAM RYAN GAYLORD ADVANCED POWER AND ENERGY PROGRAM 03/15/05
OVERVIEW Barcroft Vision and Goals System Characterization Power Demand Solar Resources Wind Resources Heat Demand Future Work ADVANCED POWER AND ENERGY PROGRAM, 2005 2/20
BARCROFT VISION Program Goals: Increase Safety Increase Reliability and Power Quality Lower Utility Bills Test Innovative Power Generation Technologies ADVANCED POWER AND ENERGY PROGRAM, 2005 3/20
240V OBSV. BARCROFT VISION Current Barcroft Distribution System 2 4 0 LARGE ANIMAL 4 8 0 480V GARAGE UNDERGROUND 12kV 2 4 0 240V SMALL ANIMAL MAIN BUILDING 2 4 0 4 8 0 LEGEND 12kV to 240V X-former 12kV to 480V X-former 480V to 240V X-former Underground cable interface 240V Distribution 480V Distribution 2 4 0 240V TELE. 2 TELE. 1 12kV Distribution ADVANCED POWER AND ENERGY PROGRAM, 2005 Version 1.0 12kV MAIN FEED 4/20 07/06/2004
240V OBSV. BARCROFT VISION R 480V - Use exisiting 12kV Cable Future Barcroft Distribution System (Initial Vision) LARGE ANIMAL 4 8 0 480V R N UNDERGROUND 12kV R WIND 240V SMALL ANIMAL 480V DG HX MAIN BUILDING SOLAR PV 480V FB HWS 480V TRENCH - Include load control wiring, plumbing for well water and wiring for well pump Underground 480V 4 8 0 R DS DG HX HWS W S LEGEND 12kV to 480V X-former 480V to 240V X-former Revenue Meter E Hot Disconnect Switch Grid Interconnect Distributed Generator Heat Exchanger 4000gal Hot Water Storage Underground Interface 240V Distribution 480V Distribution 12kV Distribution R Hot Water Supply DS R 240V TELE. 2 FB Hot Water Return Flash Boiler TELE. 1 ADVANCED POWER 12kV AND MAIN ENERGY FEED PROGRAM, 2005 Version 1.1 5/20 08/23/2004
BARCROFT DEMAND DATA Barcroft Power Breakdown for August 13 through August 31 30 Barcroft Total Power (kw) PACE Building Observatory Small Animal Building Telescope Buildings 25 20 15 10 5 0 8/13/2004 0:00 8/14/2004 0:00 8/15/2004 0:00 8/16/2004 0:00 8/17/2004 0:00 8/18/2004 0:00 8/19/2004 0:00 8/20/2004 0:00 8/21/2004 0:00 8/22/2004 0:00 8/23/2004 0:00 8/24/2004 0:00 8/25/2004 0:00 8/26/2004 0:00 8/27/2004 0:00 8/28/2004 0:00 8/29/2004 0:00 8/30/2004 0:00 8/31/2004 0:00 9/1/2004 0:00 Demand (kw) Date and Time ADVANCED POWER AND ENERGY PROGRAM, 2005 6/20
POWER MONITORING SUMMARY AVERAGE DEMAND SUMMARY (kw): Main Bldg Observatory Small Animal Telescope BARCROFT August 13-31 6.03 3.84 0.98 1.78 12.62 Sept 1-20 7.35 4.19 1.27 1.21 14.02 Sept 21-Oct 03 9.37 4.13 1.61 1.28 16.38 Overall Average 7.36 4.05 1.25 1.44 14.08 Pace and large animal buildings consume more than 52% of the average power (and energy) Observatory consumes approximately 29% of the power and energy at Barcroft Remaining 19% goes to small animal and telescope buildings. ADVANCED POWER AND ENERGY PROGRAM, 2005 7/20
PV IMPACTS (SIMULATED) PV Impact to Barcroft - September Demand Data - 10kW Polycrystalline PV System 45 40 35 30 25 20 15 10 5 0-5 9/1/2004 0:00 9/2/2004 0:00 9/3/2004 0:00 9/4/2004 0:00 9/5/2004 0:00 9/6/2004 0:00 9/7/2004 0:00 9/8/2004 0:00 9/9/2004 0:00 9/10/2004 0:00 9/11/2004 0:00 9/12/2004 0:00 9/13/2004 0:00 9/14/2004 0:00 9/15/2004 0:00 9/16/2004 0:00 9/17/2004 0:00 9/18/2004 0:00 9/19/2004 0:00 9/20/2004 0:00 9/21/2004 0:00 9/22/2004 0:00 9/23/2004 0:00 9/24/2004 0:00 9/25/2004 0:00 9/26/2004 0:00 9/27/2004 0:00 9/28/2004 0:00 9/29/2004 0:00 9/30/2004 0:00 10/1/2004 0:00 Barcroft without PV (kw) Barcroft with PV (kw) Demand (kw) Date/Time ADVANCED POWER AND ENERGY PROGRAM, 2005 8/20
PV IMPACTS (SIMULATED) Using demand data from September, simulations were performed analyzing the economic impacts of varying the installed PV capacity: 5,10,15, and 20kW System Size kwh Reduction Peak Reduction (kw) Installed Cost ($4/W) September Cost Savings Extrapolated Payback 5 kw 959 4.3 $19,800 $166.00 9.9 10 kw 1917 6.6 $39,600 $305.09 10.8 15 kw 2876 6.6 $59,400 $414.19 12.0 20 kw 3834 6.6 $79,200 $523.30 12.6 Peak reduction benefit disappears for this month after 10kW of PV (peak occurring with no solar power available is maintained) - cost of peak demand is $5.40/kW during winter (savings $36/month), and $13.15/kW during summer (June September; savings $87/month) ADVANCED POWER AND ENERGY PROGRAM, 2005 9/20
Wind Power at WMRS ADVANCED POWER AND ENERGY PROGRAM, 2005 10/20
The Turbines Enercon, GmbH Northern Power Systems Turby Bergey Windpower 2.5 kw 10 kw 100 kw 330 kw Rotor Diameter: 2 m Rotor Height: 3 m Hub Height: 7.5 m Rotor Diameter: 6.7 m Hub Height: 18 m Rotor Diameter: 19 m Hub Height: 30 m Rotor Diameter: 33.4 m Hub Height: 50 m ADVANCED POWER AND ENERGY PROGRAM, 2005 11/20
Observatory Wind Resource Data span (days) Maximum velocity (m/s) Average velocity (m/s) Turbine availability 20 20.4 4.1 46% ADVANCED POWER AND ENERGY PROGRAM, 2005 12/20
Wind Power for Observatory ADVANCED POWER AND ENERGY PROGRAM, 2005 13/20
Wind Power for Barcroft ADVANCED POWER AND ENERGY PROGRAM, 2005 14/20
Wind Energy Analysis Observatory 5 kw Turby 10 kw BWC 20 kw BWC 100 kw NPS 330 kw Enercon Total wind energy produced (kwh) 252 420 840 5,195 21,443 Total observatory energy consumed (kwh) 1,989 1,989 1,989 1,989 1,989 Percent load met 13% 21% 42% 261% 1078% Net metering credits (kwh) n/a n/a n/a 3,206 19,454 Total Barcroft Total wind energy produced (kwh) 252 420 840 5,195 21,443 Total barcroft energy consumed (kwh) 6,636 6,636 6,636 6,636 6,636 Percent load met 4% 6% 13% 78% 323% Net metering credits (kwh) n/a n/a n/a n/a 14,807 ADVANCED POWER AND ENERGY PROGRAM, 2005 15/20
Proposed Barcroft Heating Strategy ADVANCED POWER AND ENERGY PROGRAM, 2005 16/20
Winter POWER Heating MARKET Simulation Simulation ends Simulation begins average setting high setting kwh Btu Btu/hr Energy Consumed during Simulation 65.9 224,898 62,662 ADVANCED POWER AND ENERGY PROGRAM, 2005 17/20
System Configuration Baseboard Heating Microturbine Generator Hot Water Storage Munchkin Boilers
Baseboard Heating ADVANCED POWER AND ENERGY PROGRAM, 2005 19/20
FUTURE WORK Complete analyses of generation technologies Investigate interconnection issues Install infrastructure for future heating and generation installations Get funding to make it happen! ADVANCED POWER AND ENERGY PROGRAM, 2005 20/20