carrara stadium

8/3/2019 Carrara Stadium

1/19

Warwick Johnston, Managing Director SunWiz Consulting, August 2011


2/19

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


3/19

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


4/19

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


5/19

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


6/19

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


7/19

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


8/19


9/19


10/19


11/19


12/19

Installation:

Site Conditions


13/19

Custom Elements,

Novel Techniques


14/19

Challenging

situations


15/19

Aesthetic implications

& practicalities


16/19

Cables


17/19

Outcome:

(Winter) Performance


18/19

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


19/19

Thank You

Warwick Johnston - SunWiz

[email protected]

0413 361 534
mailto:[email protected]:[email protected]

carrara stadium

Documents