solar on track for pbi net metering & backup power · 2017-07-31 · ©2003 all information is...
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©2003 All information is the property of WorldWater and Power Corporation
Solar on Track for PBI Net Metering & Backup
PowerSeptember 2006
SOLAR CONFERENCE 2006San Diego, CA
Larry SlominskiDirector – Western Regional
760-505-6822 / [email protected]
©2003 All information is the property of WorldWater and Power Corporation
Agenda• Market Trends toward Large Scale, Ground
Mount Solar• Solar on Track – Structure design
development and the move to Tracking Designs
• Performance Based Incentives • Backup Power - Real Value for Water
Districts and Commercial Farms
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Solar Module Structure• Architecture & Resource Impact
– “Flat” or Low Slope• Roof Top, Covered Parking
– Fixed Tilt Slope (typ South Facing)– Single-Axis Tracking– Dual Axis Tracking
• Structure Design– “Uni-Strut”– Light Gauge Formed Steel– Single-Axis Tracking– Dual Axis Tracking “Concentrators”
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Roof Mount – Flat - Insulating
Independent Energy Solutions
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Shade Structures
M Bar C
Uni-Solar
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Building Integrated PV
Uni-Solar
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Ground Mount FT Structure
2" Schedule 40Pipe
Solar Mount Rail
PV Modules
Leg FoundationSee Detail B
Angle Bracket(See Detail A)
1:2 Slope
55"(Typ.)
24"
2" SquareAluminum Truss
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Roof Mount – Tilt - Ballasted
Sun-link
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CERRO COSO COLLEGE– RIDGECREST, California– 1MW photovoltaic system
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SELEY RANCHES– BORREGO SPRINGS, CA– 265 kW grid-tied water pumping system for citrus orchard
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265 kWdc PV Array
• 1674 PV Modules(BP3160 Q)
• Ground MountStructure
• 225 kW Inverter
• 2 SwitchingCombiner Boxes
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©2003 All information is the property of WorldWater and Power Corporation
Ground Mount – Fixed Tilt
Tucson Electric
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Fixed Tilt with ShadeLehr Bros, Edison, CA. Hydracooler for potato processing facility (350HP compressor)
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Avocado Ranch, Fallbrook, CA
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Avocado RanchFallbrook, CA
(SDGE Reconnection, County Permitting, Reversed Slope)
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©2003 All information is the property of WorldWater and Power Corporation
©2003 All information is the property of WorldWater and Power Corporation
©2003 All information is the property of WorldWater and Power Corporation
Single Axis Tracking
E
Powerlight
Potentially >30% Annual Energy Production
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©2003 All information is the property of WorldWater and Power Corporation
Single Axis Tracker - Tilted
Arizona Public Service
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Dual Axis Trackers
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Resource, Value and Costs of Structure Design Options
• Fixed Tilt – Horizontal• Fixed Tilt - Latitude• Single-Axis – Horizontal (E-W)• Single-Axis – Lat Tilt • Dual Axis Tracking
©2003 All information is the property of WorldWater and Power Corporation
©2003 All information is the property of WorldWater and Power Corporation
©2003 All information is the property of WorldWater and Power Corporation
©2003 All information is the property of WorldWater and Power Corporation
Resource vs Tracking System1-Axis Tracking, Horizontal is Least Cost for Arizona (APS)
O&M Costs for 1 – Axis Tracking, Horizontal was 0.35% of Installed Cost not including inverter rebuild/replacement (APS)
Capital Costs of 1 –Axis Tracking, Horizontal Systems on par with fixed tilt – especially with High Wind Stowing
Bakersfield, CA APS Data* APS DataAvg. Energy % Increase % Increase Actual ActualkWh/m2/day Over Hor. Over Lat Tilt % vs. Lat Tilt % vs Hor
FT- Horizontal 5.19 NA NA NAFT - Lat Tilt 5.6 8% NA NA 12%1- Axis Track - Hor. 7.11 37% 27% 23% 37%1- Axis Track Lat Tilt 7.47 44% 33% 37% 53%2 - Axis Track 7.74 48% 38%
* Phoenix. Source: PV Power Plant Experience at APS, A 5 - Year Assessment 1994.
Solar Geometry - Calc'd
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Performance Based Incentives• $/Wp• $/kWh over 5 years• Energy Resource, Degradation, Reliability• Purchase Influences
– Power Purchase Agreements– Warranties
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Solar with Backup Power• Backup with No Batteries• DC Direct Drive of VFD for Pump Motors
and Power Conditioning for Ancillary Loads
• Idyllwild Water District Case Study
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PV System – Net Metering
Inverter
Combiner Boxes
DC Disconnect
AC Disconnect
Transformer(480/4160 V)
Gen.Meter(Utility)
Modules
PV Array
Net Meter
AC Loads
ACDisc.
PV Site Equipment
Transformer(4160/480 V)
Distr.Panel
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PV Systems w/Aquamax Backup Power
AC Loads
Inverter
Power Transfer Controls
DC Disconnect
AC Disconnect
Transformer
Gen.Meter(Utility)
PV Array
Net Meter
AC Motor (pumps,compressors)
DCAC
Variable Frequency Drive
Other DC Loads(sustainable UPS)
Control
AC Non-Motor AC Loads (Controls, etc.)
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PV Blending ApplicationHigh Yield Solar Pumping Systems
*AquaMax™- WorldWater and Power
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Array and Pump Loads
800’ Distancefrom PV to Pump.
Placement of array to minimize area impact
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Transformer, Inverter, Disconnects,Switching Combiner Boxes
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Idylwild Water District
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Idyllwild Water District
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IWD SCB, Inverter, Disconnects
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Switching Combiner Box
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VFD and Pump Motor Controls
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WW&P Sustainable Solar Power Systems
(Daytime Backup Power)• 50 and 100 kW PV Systems • Single-Axis Ground Mount Tracking• Stowable• Backup Power for Motor Loads, Controls,
Ancillary Loads
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WW&P Aquamax Backup Power Systems Services
• 50 - 100 hp Packages• Design – Motor Drive & Ancellary Loads• Aquamax Component Supply• Construction Technical Support• Commissioning
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WorldWater and Power Corp.Technologically in a Class by Itself
• Power up to 600 hp directly from solar or from grid/solar in combination
• Automatically switch system over to grid-independent solar power
– WorldWater holds two U.S. patents (with three more patents pending).
©2003 All information is the property of WorldWater and Power Corporation
WorldWater & Power Corp.• International Full-Service Solar Energy and
Water Management Company
• Founded in 1984 Based on Solar Electric Direct Drive Motor Systems – Up to 600 hp
• Specialize in Agriculture, Municipal Water Supply and Treatment, Electric Utilities
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WORLDWATER…THE RIGHT IDEA
WorldWater is the Right Idea for:• Agriculture • Wineries • Utility districts• Water districts • MunicipalitiesApplications Include:• Irrigation • Chilling and refrigeration• Sewage treatment plants • HVAC • Water delivery• Utility Scale Power Systems • 3 Ph Motor Power
©2003 All information is the property of WorldWater and Power Corporation
THANK YOU
©2003 All information is the property of WorldWater and Power Corporation
Capital Resources• $ 100 M Captive Fund to Finance Long Term Power
Purchase Agreements• Prominent, Private Equity Funds are taking lead• $ 10 M under PPA contract for four projects• Fund coordinated by Chatham Group who have large
power plant financing experience• WW&P has extensive financial modeling tools and
documents related to power purchase, equipment supply and O&M agreements
• Teaming arrangements in place with constructors of large power plants.
©2003 All information is the property of WorldWater and Power Corporation
Design/Construction Exp.• Technology assessment of PV systems for specific
applications including:– Mono & poly crystalline, amorphous silicon, and concentrators– Array structure design assessment for fixed and tracking designs– Inverters and VFDs– Electrical wiring architecture for large power stations
• Designed & constructed more than 4 MW of PV over 10 projects for public/private customers.
• Managed complicated permitting and compliance issues• Developed and fielded efficient ground mount structure
design in .3 and 1 MW.• Strong relationships with industry leading equipment
suppliers
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Regulatory/Incentive Programs• WW&P secures and manages state rebate
program funding for WW&P projects in CA/NJ.• WW&P has over 20 years experience with
utilities in AZ on PV applications development• WW&P knowledgeable in NEC code and
associated National and State agency standards for PV product and applications, including the National Renewable Energy Lab, Sandia National Labs, the CA Energy Commission
©2003 All information is the property of WorldWater and Power Corporation
Renewable Energy Credits (RECs)
• WW&P purchases and sells RECs in NJ and CA on our own projects
• WW&P tracks development of the REC market.
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•LEHR BROTHERS, INC•EDISON, CA. •Hydracooler for potato processing facility (350HP compressor)
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CERRO COSO COLLEGE– RIDGECREST, California– 1MW photovoltaic system
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IDYLLWILD WATER DISTRICTIDYLLWILD, CA44.1 kWdc PV Power and Backup Power System
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ATLANTIC COUNTY UTILITIES AUTHORITY– Egg Harbor Township, NJ– 500 kW PV Power Station
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FARM ACW – 1 MWacFallbrook, CA
(SDGE Reconnection, County Permitting, Reversed Slope)
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Other Projects• 273 kW Tree Nursery – Borrego Springs, CA
– Fixed Tilt Elevated Shade and Solar Electricity• 56 kW Center for Irrigation
Technology – Fresno, CA• 47 kW San Benito, Texas
– Single-axis tracking 125 mph• 39 kW Custom Residential
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• Real time web-based monitoring & alerts• Revenue grade metering• Consolidation with utility data• Quarterly reports
Performance Monitoring
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Financial Modeling & Services• Direct Purchase, Rebate Management,
Tax Benefits and Impacts• True Leases • Power Purchase Agreements
– Long Term – Fixed Price– Variable Price
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• Customer pays only for electricity service
• Fixes energy costs for up to 25 years
• System is owned by LLC
• System is placed on customer’s property
• Customer provides owner access
• Example PPA Agreement and Cash Flows
Power Purchase Agreement Terms
©2003 All information is the property of WorldWater and Power Corporation
1. Solar Electric Power Systems Training2. Site and Resource Assessment3. Load Analysis4. Energy Bill Analysis5. Rate Analysis and Optimization6. Solar Sizing, Specificaitions, Ratings7. Performance Analysis8. Financial Performance9. Funding10. Procurement Specifications
Project Development Services
©2003 All information is the property of WorldWater and Power Corporation
WORLDWATER AND POWERThe Right Thing to Do
THANK YOU