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Warwick Johnston, Managing Director SunWiz Consulting, August 2011
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574 Panels, each 376Wand 101kg
Mounted 30m above theheads of 30,000 people
16 Inverters, 6Temperature Monitors,Radiation Sensors, etc
270 Unique Angles
Custom Panel Design
22000 man-hours, 9months
SunWiz Market Insights: State Trends, Market Share, Large Scale
Most Sophisticated
Solar System in Aus?
Winner:
ATRAA Best
Commercial
PV System
2010
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Integrated Design Team Architects, Engineers
(Structural, Civil), Builders,Electricians, Glaziers (BIPV)
Coordination and
Communication other services
Planning Test the process out
Adaptability
Timelines (& weather) Guaranteed Output
Safety & Training
SunWiz Solar Hot Spots: Target Solar Suburbs for Best Sales Results. INTERACTIVE
Challenges of
Commercial Systems
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Timeframes
Custom Panel Design Cell Density, Efficiency, Layout
relocating bypass diodes
Wind Loading
Structural Steel Manuf. & Silicon Bite Glazing Wiring routing & Engineering Calculations
Electrical Design Light Towers
International Freight Logistics
Assembly Solar City (shelter from sun, dust, rain)
Purpose built trailers and lifting jigs
Specific Challenges
SunWiz ClearView: STC Market Intel. Get a Better STC Price
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Process Improvement:
Bringing Panels out early for test run
Compliance testing in parallel
Adaptability: moving location of pre-installation
Value of Design Simulation
Saving 14% c.f. higher power panels Regular meetings, clear communications,
honesty, proactive collaborative approach
Key Successes
& Lessons Learned
SunWiz Solar Schools Strategies: Competitively quote to needs of remaining schools, listed. INTERACTIVE
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Multi-functional PV system,architecturally designed toprovide pleasing aesthetic, andshelter from sun and rain forpatrons
580 panels with 290 unique
azimuths Microinverters & Power
Optimisers
Each bay was unique indimension
39 Curved Bays circumnavigating75% of the football stadium oval.
Unavoidable Shading
20% of the sites total energyconsumption
SunWiz PV Sell: Compelling Financial Sales Pitch
Australias Most
Sophisticated Design
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Design Objective:
Guaranteed Performance, with 270 different panel azimuths and 6giant manmade trees
Design Constraint:
Fixed budget & architecture.
Value Engineering: Intelligent Wiring & Modelling or Increase cell density by 14% == $$$
Microinverters unfortunately not
Design Approach:
Split Bays into half?
Split Bays into thirds & wire bays into pairs. Design Complexity:
Bays of 6, 14, 18 panels
2MPPT (unbalanced)
SunWiz & SolarBusinessServices Industry Forecast: Expertise to Plan by
Design Considerations
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Installation:
Site Conditions
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Custom Elements,
Novel Techniques
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Challenging
situations
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Aesthetic implications
& practicalities
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Cables
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Outcome:
(Winter) Performance
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Large Scale Design, ProjectManagement, Engineering Award Winning BIPVBallarat University & Tulla-Calder
Intelligent System Design fixed fee, fast turnaroundfor more than 200 systemsand 10 clients in past 6months
Co-author CEC solar report Member: APVA, CEC, PV
Directorate, AuSES, ISES,SEIA
Market Insights: Monthly PVMarket Intel on trends, marketshare, system sizes
Solar Hot Spots: Target SolarSuburbs, interactive
ClearView: STC Market Intel trajectories, liabilities, trades,strategies
Solar Schools Strategies,interactive (last weeks)
PV Sell compelling sales tool
Forecast (withSolarBusinessServices)
SunWiz
Services
Winner:
ATRAA Best
Commercial
PV System
2010
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Thank You
Warwick Johnston - SunWiz
0413 361 534
mailto:[email protected]:[email protected]