Complete 10-Phase Forensic Breakdown: Who started it, who handed the baton to whom, what went wrong in the Western Power Q&A phase, how Zenith engineered the 'Skinny Connection', ERAWA licensing Q&A, EPC construction, and 25-year retail/VPP operations.
10+ MVA Concentrated Coastal Precinct Demand (1,000+ high-spec homes/apartments + hospitality/hotel/marina chillers at the very end of the Mullaloo 22kV coastal radial feeders) → Multi-million-dollar upstream feeder trenches through built-up suburbs + multi-year delay.
Compressed to a ≤4.0 MVA 'Skinny Connection' at a single 22kV boundary point + 5.5 MW Precinct/Rooftop Solar PV + 4.6 MWh Central Community BESS + Private Underground Microgrid across all Green-Title & Mixed-Use lots.
5.5 MW Solar + 4.6 MWh BESS)(08) 9226 4276 & Aspects Studios / COX(08) 6222 7000, GHD & MP Rogers (Coastal/Marine)The WA State Government and City of Joondalup commit over $120M–$270M to turn an old boat ramp at Ocean Reef into a world-class coastal marina village with 1,000+ luxury homes and apartments, hotels, restaurants, and yacht clubs. DevelopmentWA takes charge of delivering the project.
State Treasury & Joondalup Q&A on balancing massive marine breakwater costs against landside utility servicing budgets.
Data Caught: State Budget Papers + DevelopmentWA Project Pipeline + Landgate Crown Reserve proclamations.
Ask on Call: To Mixed-Use Precinct Director: 'When you take on a high-density coastal or infill precinct with 1,000+ dwellings and commercial hospitality, how early do you check the local Zone Substation capacity?'
Because Ocean Reef Marina crosses both coastal land and ocean seabed, town planners at Taylor Burrell Barnett (TBB) use a special state planning tool called an 'Improvement Scheme' to lock in the street layout for green-title houses, apartment blocks, and commercial boardwalks. Because the internal streets will be public roads, any private power network wiring the precinct will legally require an ERAWA EDL distribution licence.
(08) 9226 4276 prepared the Ocean Reef Marina Improvement Scheme No. 1 and Design Guidelines with DevelopmentWA and WAPC.EDL7) and Eglinton (EDL10), crossing public roads between green-title and built-form lots triggered the statutory requirement for an ERAWA EDL distribution licence.DPLH-024)WAPC & community Q&A over building heights, coastal view corridors, traffic access onto Boat Harbour Quays / Hodges Drive, and utility reserve placement.
Data Caught: SLIP Structure Plans & Improvement Schemes (dplh024.geojson) + WAPC Gazettal Notices.
Ask on Call: To Taylor Burrell Barnett (TBB) (08) 9226 4276: 'Having planned both Peel Business Park and Ocean Reef Marina, how do you size and position the central battery compound in a tight urban/coastal masterplan so it doesn't eat into prime waterfront land?'
Environmental consultants complete one of WA's toughest EPA reviews (checking marine seagrass, abalone habitats, and coastal bushland) so contractors Georgiou and WA Limestone can start dumping rock for the two giant ocean breakwaters. Meanwhile, engineers plan the landside water, sewer, and power pipes.
DWER-120 / DWER-116) cleared the path for marine breakwater construction (2021–2023) by Georgiou Group & WA Limestone.EPA marine water quality monitoring Q&A and staging landside civil reclamation behind the breakwater.
Data Caught: EPA Ministerial Statements (DWER-120) + DevelopmentWA Breakwater Civil Works tenders.
Ask on Call: To Precinct Delivery Manager: 'While heavy marine or earthworks contractors are on site building the trunk infrastructure, what is the latest month you can lock in your microgrid partner before landside road trenching starts?'
Engineering consultants (Stantec / GHD) calculate how much power 1,000+ luxury coastal homes, high-rise apartments, hotels, restaurants, and marina facilities will pull on a hot summer evening—well over 10 MVA! They submit the official ENAR connection request to Western Power.
MLO) 22kV distribution network.Technical load-modelling Q&A over peak summer coincidence between commercial restaurant/hotel air-conditioning and residential evening EV/air-con peaks.
Data Caught: Western Power Network Opportunity Map (Mullaloo MLO substation data) + Engineering tender awards.
Ask on Call: To Stantec (08) 6222 7000: 'When modelling a mixed-use precinct like Ocean Reef Marina where commercial hospitality and 1,000+ dwellings overlap on peak demand, how much battery storage is needed to shave the peak below 4 MVA?'
Western Power's engineers deliver the bad news: Ocean Reef sits at the very end of the existing 22kV suburban power lines running out from Mullaloo Substation through established 1980s neighbourhoods. Those lines cannot handle a sudden 10+ MVA jump without tearing up kilometres of suburban streets to lay new high-voltage feeder cables back to Mullaloo Substation at a cost of millions of dollars and years of disruption!
MLO) Zone Substation.Technical Q&A with Western Power confirming that standard connections could neither support the 10+ MVA peak import nor allow 5.5 MW of precinct solar export.
Data Caught: Western Power NOM Feeder & Substation Constraint layers + DevelopmentWA Microgrid EOI preparation.
Ask on Call: To Electrical Consultant: 'How often do coastal or infill developments at the end of radial 22kV feeders get hit with multimillion-dollar trenching quotes back to the nearest Zone Substation?'
5.5 MW Solar + 4.6 MWh BESS)Having seen how well Zenith's microgrid worked at Peel Business Park, DevelopmentWA puts the Ocean Reef Marina microgrid out to tender on a Build-Own-Operate (BOO) basis. Zenith Connected Energy (Ocean Reef Renewable Energy Pty Ltd) wins the contract! They shrink the Western Power connection down to a ≤4 MVA 'Skinny Connection' and commit to building 5.5 MW of solar + a 4.6 MWh central community battery at zero capital cost to the government.
Ocean Reef Renewable Energy Pty Ltd) won the contract, replicating and scaling up the Peel (EDL7) blueprint:<10 MW AC zero-export configuration).Ocean Reef Renewable Energy Pty Ltd — Rob Breden & Thomas Friberg)
Commercial & architectural Q&A: integrating a 4.6 MWh central BESS enclosure into a flagship coastal architectural precinct (acoustic attenuation, coastal salt-spray corrosion rating, and aesthetic screening) and coordinating apartment parent/child embedded sub-metering.
Data Caught: WA Tenders / DevelopmentWA Contract Award Notice + ASIC registration of OCEAN REEF RENEWABLE ENERGY PTY LTD.
Ask on Call: To Precinct Developer: 'At Ocean Reef Marina, how did Zenith handle the architectural screening and acoustic design of the 4.6 MWh community battery so it blended into a premium coastal residential precinct?'
Because Ocean Reef Marina has green-title houses, apartment blocks, and commercial shops separated by public roads, Zenith applies to the WA regulator (ERAWA) for Electricity Distribution Licence EDL9. After the mandatory 21-day public Q&A period, ERAWA grants EDL9 to Ocean Reef Renewable Energy Pty Ltd.
Ocean Reef Renewable Energy Pty Ltd applied to ERAWA for Electricity Distribution Licence EDL9 covering the Ocean Reef Marina Improvement Scheme boundary.EDL9 in 2023—making Zenith 3-for-3 on WA green-title microgrid distribution licences (EDL7, EDL9, EDL10).EDL9ERAWA technical Q&A on servicing mixed green-title residential lots AND multi-tier strata apartment buildings inside a single EDL9 distribution boundary.
Data Caught: ERAWA Licence Register (EDL9 decision notice & map PDF).
Ask on Call: To Apartment / Mixed-Use Developer: 'Did you know Zenith's EDL9 licence at Ocean Reef Marina allows a single microgrid to wire both green-title houses across public roads AND multi-storey apartment buildings under one unified community battery?'
Once the ocean breakwaters are finished, civil contractor RJ Vincent moves in to build the internal streets, sewer, water, and boardwalks for Stage 1. In the exact same road trenches, Zenith's electrical crews lay the private underground microgrid cables, install the central BESS switchroom, and run Western Power protection relay tests at the boundary meter.
Engineering Q&A on marine-grade corrosion protection (C5-M coastal rating) for transformers/battery enclosures and Western Power reverse-power relay grading.
Data Caught: DevelopmentWA Landside Civil Contract awards (RJ Vincent) + site progress bulletins.
Ask on Call: To Civil Contractor (RJ Vincent): 'Having trenched the underground microgrids at both Peel Business Park and Ocean Reef Marina, how smooth is coordinating trench handovers with Zenith compared to Western Power?'
The single 22kV boundary connection is energized, Zenith (EDL9) signs off the WAPC Underground Power Clearance condition for Stage 1 lots, Landgate issues the first coastal land titles, and builders begin constructing the first luxury homes, apartments, and marine commercial buildings!
Ocean Reef Renewable Energy Pty Ltd (EDL9) cleared the WAPC subdivision underground power servicing condition for Stage 1 land releases.EDL9) & Western Power
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WAPC / Landgate → DevelopmentWA Sales Settlements → Builders & Precinct Developers
Onboarding architects and builders for the first coastal home and apartment lots onto the microgrid technical connection standards.
Data Caught: Landgate Deposited Plan registrations + DevelopmentWA Stage 1 lot release announcements.
Ask on Call: To DevelopmentWA Sales / Delivery Lead: 'How strongly did buyers and apartment developers respond to the 100% renewable microgrid and discounted energy tariffs during the Stage 1 Ocean Reef lot releases?'
Why is a mixed-use marina village like Ocean Reef even more profitable to run than a pure housing estate? Because cafés, shops, boat yards, and offices use power during the daytime when the 5.5 MW of solar panels are cranking, while the 1,000+ homes and apartments use power in the evening when the 4.6 MWh battery discharges! Zenith bills every home, apartment, and restaurant at a discount below Synergy (95% of revenue) while shaving the summer 4pm–9pm peak to capture AEMO capacity credits (5% of revenue).
IRCR at $360,700–$488,500/MW/yr) peak-shaving during the 12 summer SWIS peak intervals + potential Western Power Network Support (NSSS) services on the Mullaloo feeder.Coordinating multi-tier embedded metering inside strata apartment towers alongside green-title residential smart meters.
Data Caught: ERAWA EDL9 Annual Compliance & Performance Reports.
Ask on Call: To Zenith Commercial Team: 'How much does combining 12,000 sqm of daytime hospitality/commercial load with 1,000+ residential dwellings improve battery utilization compared to a residential-only estate?'