# McKercher Corporation — full reference > A Perth, Western Australia power partner in electrification, sustainable energy infrastructure, services, and digitalisation of sustainable energy businesses. Founded 2004 in Perth, Western Australia. Parent of Perth Solar Warehouse, PSW Energy, and McKercher Digital. ## Organisation - Legal name: McKercher Corporation Pty Ltd (ACN 164 130 581, ABN 55 332 185 818) - Founded: 2004 — Perth, Western Australia - Electrical contractor licence: EC010771 - Certifications: ISO 9001, ISO 14001, ISO 45001 (Bureau Veritas) - Registered office: Suite 15, 222 Walter Road, Morley, Western Australia, 6062 - Operations: 3/90 Discovery Drive, Bibra Lake, Western Australia 6163 - Phone: (08) 6171 4111 · Email: hello@mckerchercorp.com ## Subsidiaries - **Perth Solar Warehouse** — https://mckerchercorporation.com/perth-solar-warehouse/ - **PSW Energy** — https://mckerchercorporation.com/psw-energy/ - **McKercher Digital** — https://mckerchercorporation.com/mckercher-corporation-digital/ ## Capabilities 1. Sustainable energy supply — solar photovoltaics, battery storage, EV charging across WA. 2. Energy services & engineering — in-house, accredited, independently audited installation. 3. Digital integration — programs that reduce operational cost for service businesses. ## Pages - About: https://mckerchercorporation.com/about/ - Capabilities: https://mckerchercorporation.com/capabilities/ - Subsidiaries: https://mckerchercorporation.com/brands/ - Newsroom: https://mckerchercorporation.com/news/ - Contact: https://mckerchercorporation.com/contact/ - Careers: https://mckerchercorporation.com/careers/ - Mission: https://mckerchercorporation.com/mission/ ## Newsroom (81 items) ### Awards & Recognition - [Perth Solar Warehouse receives four SunWiz Awards 2026](https://mckerchercorporation.com/perth-solar-warehouse-sunwiz-awards-2026/) — 14 May 2026 Perth Solar Warehouse, the residential solar subsidiary of McKercher Corporation Pty Ltd, received four awards at the 2026 SunWiz Awards, presented at the Smart Energy Conference in Sydney in May 2026. The results are… - [Finalists: Two Smart Energy Awards 2026 positions](https://mckerchercorporation.com/smart-energy-awards-2026-finalist/) — 18 Apr 2026 McKercher Corporation has been named a finalist in two categories at the 2026 Smart Energy Council Awards. - [EUPD Research Top Installer Awards 2024](https://mckerchercorporation.com/eupd-research-top-installer-awards-2024/) — 1 Jan 2024 The prestigious EUPD Research Top Installer Awards ceremony for 2024 unfolded at the iconic Cargo Hall Southbank in Melbourne, bringing together Australia's leading solar installation companies. Hosted in collaboration… - [High Distinction: Tesla Premium Certified Installer 2024](https://mckerchercorporation.com/tesla-premium-certified-installer/) — 1 Jan 2024 January 2024: PSW Energy, Perth Solar Warehouse is recognised as a Tesla Premium Certified Installer for the third consecutive year. With an enduring commitment to high-quality and deep product suite knowledge, Tesla… - [EUPD Research Awards 2023: Top Brand 'Installer' Australia](https://mckerchercorporation.com/eupd-research-awards/) — 30 Oct 2023 Held on October 25 2023, at the Pearl Riverfront reception centre during the All-Energy Australia conference, EUPD Research delivered its inaugural installer awards to assist greater consumer confidence between solar… - [Top 10 Solar Companies Australia 2023](https://mckerchercorporation.com/top-10-solar-companies-australia-2023/) — 1 Jan 2023 May 2023: McKercher Corporation business receives recognition for outstanding customer satisfaction in sustainable energy products. Presented at the Smart Energy Council Awards Ceremony, Sunwiz solar market… - [Huawei Elite Reseller Award: PSW Energy & Perth Solar Warehouse](https://mckerchercorporation.com/huawei-elite-reseller/) Three Australian businesses have been recognised as inaugural Huawei Elite Resellers for exceptional product knowledge and customer support. Achieved through associated brands Perth Solar Warehouse and PSW Energy,… - [SolarQuotes Legendary](https://mckerchercorporation.com/solarquotes-legendary/) The world of sustainable energy is evolving at virtually break-neck speed, and it's easy to become swept up in the hype. However, sustainable energy isn't new. It's rapidly evolved over 15 years in Australia, building… - [Sunwiz Awards Top 5 Solar Installers in WA](https://mckerchercorporation.com/sunwiz-awards-top-5-solar-installers-in-wa/) Derek McKercher with arms folded and smiling with Sunwiz Awards 2024 logos in the top left corner - [Tesla Performance Excellence Award](https://mckerchercorporation.com/tesla-performance-excellence-award/) Kate Rutherford pictured holding a glass of champagne for the Tesla Energy Performance Excellence Award ### Bulletins - [March 2026 Bulletin | PSW Energy, Tesla Powerwall & Safety](https://mckerchercorporation.com/bulletin-march-26/) — 31 Mar 2026 March has been a notable month across both technology and representation fronts. Two published pieces reflect where PSW Energy and Perth Solar Warehouse sit within the broader industry: one addresses a question on the… - [Bulletin, February 2026](https://mckerchercorporation.com/bulletin-feb-26/) — 1 Feb 2026 As February 2026 draws to a close, this bulletin highlights the four most recent publications on the McKercher Corporation updates feed. Spanning regulatory compliance, independent industry recognition, strategic… - [Bulletin, January 2026](https://mckerchercorporation.com/bulletin-jan-26/) — 1 Jan 2026 As January 2026 draws to a close, this bulletin consolidates key announcements published across the McKercher Corporation family of brands, including PSW Energy and Perth Solar Warehouse. The month has been marked by… - [Bulletin: Prioritising Safety, Precision, & Preparedness](https://mckerchercorporation.com/bulletin-november-2025/) — 23 Nov 2025 At McKercher Corporation, our commitment to operational excellence is rooted in a shared culture of safety, precision, and preparedness, both in the field and in the office. This month’s bulletin revisits three… - [Bulletin October 2025](https://mckerchercorporation.com/bulletin-october-2025/) — 1 Oct 2025 Compliance and excellence are closely linked. As McKercher Corporation continues to evolve within the renewable energy sector, we remain committed to ensuring that every project, partnership, and accreditation meets… - [Bulletin, September 2025](https://mckerchercorporation.com/bulletin-september-2025/) — 1 Sep 2025 Compliance isn’t optional—it’s a technician’s safeguard. Every installation and test carried out in the field reflects a commitment to safety, reliability, and professionalism. But did you know that overlooking the… - [Bulletin: January 2025](https://mckerchercorporation.com/bulletin-january-2025/) — 1 Jan 2025 January is a period fostering emotions of new opportunity for many. A twelve-month runway ahead opens up opportunities to achieve personal goals and career milestones. In 2025, personal accomplishments form a part of… - [Bulletin: December 2024. Thank you.](https://mckerchercorporation.com/bulletin-december-2024/) — 1 Dec 2024 Dear Valued Team Members, - [Bulletin: November 2024. Sigenergy Training, Heat Awareness, Milestones](https://mckerchercorporation.com/bulletin-november-2024/) — 1 Nov 2024 The most anticipated chapter in self-generated power commenced installation this month for McKercher Corporation-associated businesses—the first installations of Tesla Powerwall 3 and Sigenergy’s SigenStor. These two… - [Bulletin: October 2024. Tesla Powerwall 3 Training & Electrical Focus.](https://mckerchercorporation.com/bulletin-october-2024/) — 1 Oct 2024 With CEC approval confirmed [October 18, 2024], a third generation of Tesla Powerwall will soon become available in Perth, Western Australia, pending Western Power and Synergy listing. A high adoption appeal is… - [Bulletin September 2024](https://mckerchercorporation.com/bulletin-september-2024/) — 1 Sep 2024 Bulletin September 2024 text overlayed on a Tesla Powerwall 3 image inside the PSW Energy, Perth Solar Warehouse showroom - [Bulletin August 2024](https://mckerchercorporation.com/bulletin-august-2024/) — 1 Aug 2024 Bulletin August 2024 overlay the new Bluetti Portable Power supply feature image with in an offgrid scenario - [Bulletin July 2024](https://mckerchercorporation.com/bulletin-july-2024/) — 1 Jul 2024 Rendered image of an electric vehicle plugged into a Sigenergy Sigenstor stack with DC EV charger. Semi transparent overlay with the text: BULLETIN July 24 ### Company News - [Nicole Bilman named runner-up Emerging Leader 2026](https://mckerchercorporation.com/nicole-bilman-emerging-leader-2026/) — 20 May 2026 Nicole Bilman, Chief Executive Officer of PSW Energy and Perth Solar Warehouse, was named runner-up for Emerging Leader of the Year at the [Smart Energy Council Excellence… - [WA Residential Battery Scheme guide for installers — McKercher Corporation](https://mckerchercorporation.com/wa-residential-battery-scheme-installer-guide/) — 1 May 2026 The WA Residential Battery Scheme launched on July 1 2025, alongside the federal Cheaper Home Batteries Program, delivering subsidised battery storage to Western Australian households. For McKercher Corporation’s… - [Nicole Bilman CEO: PSW Energy and Perth Solar Warehouse](https://mckerchercorporation.com/nicole-bilman-appointed-ceo-of-psw-energy/) — 27 Jan 2026 PSW Energy, Perth Solar Warehouse, today announced the promotion of Nicole Bilman from General Manager to Chief Executive Officer (CEO), effective 2 February 2026. Nicole's appointment reflects a track record of… - [2026 Operational Objectives Target Plan](https://mckerchercorporation.com/2026-operational-objectives-target-plan/) — 1 Jan 2026 Reference: PSW-PLN-HSEQ-02 (Version 2, 05/11/2025). - [Customer Service Platform Upgrade, 24–31 January 2026](https://mckerchercorporation.com/customer-service-platform-upgrade/) — 1 Jan 2026 Customer Service Platform Upgrade, 24–31 January 2026 - [PSW Achieves ISO Certification: 9001, 45001, 45001](https://mckerchercorporation.com/psw-achieves-iso-certification-9001-45001-45001/) — 1 Mar 2025 McKercher Corporation is pleased to announce that its jointly operated subsidiaries, PSW Energy and Perth Solar Warehouse, have achieved three internationally recognised ISO certifications: ISO 9001 (Quality… - [Solar CPD Points for SAA Accreditation: Western Australia 2024](https://mckerchercorporation.com/solar-cpd-points-2024/) — 1 Jan 2024 Solar installers must continually develop their industry knowledge to stay up-to-date with industry advancements. Technicians invested in a career in sustainable energy must prove a continuous engagement with the… - [Perth Solar Warehouse Provides Sustainable Energy Infrastructure to an Astute Local Demographic - McKercher Corporation Pty Ltd](https://mckerchercorporation.com/perth-solar-development/) — 13 Feb 2014 McKercher Corporation Pty Ltd has officially launched a new implementation department for the Perth solar sector. The launch comes after an extensive 24-month research and development period. The advanced installation… - [Cheaper Home Batteries Program Expanded](https://mckerchercorporation.com/cheaper-home-batteries-program-expanded/) On December 13, the Australian Government announced significant changes to the Cheaper Home Batteries Program—an update that marks a major step forward for Australia's clean energy transition. For households,… - [German Made Solar Systems Remain a Viable Solution Through Increased Scale](https://mckerchercorporation.com/german-made-solar-systems-a-viable-solution/) German made solar equipment often has an increased capital requirement for long-term energy investors. When specific alternative manufacturing processes don’t complement a suitable medium to long-term investment… - [Increasing Investment in Sustainable Energy Infrastructure Business](https://mckerchercorporation.com/increasing-investment-in-sustainable-energy-infrastructure-business/) McKercher Corporation expansion of associated brands Perth Solar Warehouse and PSW Energy facilitates up to six times greater capacity potential. The move comes as product diversity of energy transition infrastructure… - [PSW Energy Strengthens Renewable Portfolio With Q3 Results](https://mckerchercorporation.com/psw-energy-strengthens-renewable-portfolio-with-q3-results/) PSW Energy's performance in Q3 2025 highlights the McKercher Corporation's growing leadership in Australia's renewable energy sector. - [PSW Installation Timeframe Refinements](https://mckerchercorporation.com/psw-installation-timeframe-refinements/) PSW Energy (including Perth Solar Warehouse), a prominent solar and battery provider in Western Australia and a subsidiary of McKercher Corporation, has announced an updated scheduling framework for selected… - [$328 million: WA Labor’s Proposed Solar Battery Rebate](https://mckerchercorporation.com/solar-battery-rebate/) Western Australian homeowners are set to benefit from a significant boost to their solar energy capabilities, thanks to the Labor government’s proposed Residential Battery Scheme. This initiative, with its substantial… - [Sustainable Energy - McKercher Corporation Pty Ltd](https://mckerchercorporation.com/sustainable-energy/) As the global population grows, improved quality of life and education is often associated with increased energy wealth. However, there is a direct correlation between increased energy generation demands and elevated… ### Compliance & Safety - [DMIRS electrical licensing changes April 2026 — McKercher Corporation](https://mckerchercorporation.com/dmirs-electrical-licensing-wa-2026/) — 3 Apr 2026 The Department of Mines, Industry Regulation and Safety has confirmed updates to Western Australia’s electrical licensing framework, effective from 1 April 2026. The changes consolidate licence categories, introduce a… - [New Photographic Evidence Rules for Solar Batteries](https://mckerchercorporation.com/new-photographic-evidence-rules-for-solar-batteries/) — 1 Mar 2026 Starting from March 1, 2026, solar battery installations throughout Australia will need to meet new photographic evidence requirements due to updated compliance rules from the Australian Government Clean Energy… - [Installing Battery Systems in WA — Safety & Compliance](https://mckerchercorporation.com/installing-residential-battery-systems-safety-and-compliance/) — 25 Feb 2026 WA’s Building and Energy division has released an important update for electricians installing residential Battery Energy Storage Systems (BESS). A new compliance video, accompanying fact sheet, and eNotice… - [New Solar & Battery Requirements: Changes from May 2026](https://mckerchercorporation.com/solar-battery-requirements-changes-from-may-2026/) — 31 Jan 2026 From 1 May 2026, significant changes to solar and battery installation requirements will reshape how renewable energy systems connect to Western Australia’s grid. Whether you’re a solar installer preparing for… - [Testing Requirements for Grid-Connected Hybrid Inverters](https://mckerchercorporation.com/testing-requirements-grid-connected-hybrid-inverters/) — 8 Dec 2025 Hybrid inverters, classified as grid-connected multiple-mode inverters under AS/NZS 4777.1, are becoming increasingly common in residential Battery Energy Storage System (BESS) installations. Their ability to function… - [Sigenergy Optimises Gateway Installation Distance Requirements. - McKercher Corporation Pty Ltd](https://mckerchercorporation.com/sigenergy-optimises-gateway-installation-distance-requirements/) — 23 Sep 2025 September 22, 2025 – Sigenergy Technology Co., Ltd. has announced revised installation distance requirements for its Sigen Energy Gateway product range. The update, detailed in Product Change Notice (PCN2025019),… - [Falls Emergency Rescue Plan PSW-PLN-HSEQ-0X](https://mckerchercorporation.com/falls-emergency-rescue-plan-psw-pln-hseq-0x/) Department: HSEQ — Health, Safety, Environment & Quality - [Hammer Drill Operation Procedure](https://mckerchercorporation.com/hammer-drill-operation-procedure/) Effective Immediately – Compliance required across all McKercher Corporation sites. - [Regulatory Update Batteries Installed With Existing Solar](https://mckerchercorporation.com/regulatory-update-batteries-installed-with-existing-solar/) The Department of Local Government, Industry Regulation and Safety has released updated guidance clarifying compliance responsibilities when installing Battery Energy Storage Systems (BESS) alongside existing… - [Sigenergy Recalls 8-12 kW Single-Phase Inverters](https://mckerchercorporation.com/sigenergy-recalls-8-12-kw-single-phase-inverters/) Sigenergy Technology Co., Ltd. has issued a voluntary recall of certain single-phase Energy Controllers (8 kW, 10 kW, 12 kW) and SigenStor EC inverters that were sold throughout Australia. This decision follows the… - [Unified Cybersecurity and Data Protection Commitment](https://mckerchercorporation.com/unified-cybersecurity-and-data-protection-commitment/) At McKercher Corporation, protecting our customers’ information is fundamental to our business practices. As energy and solar services become increasingly digital, so too does the responsibility to safeguard personal… ### Events - [PSW Energy Research Centre by Perth Solar Warehouse A New Customer Experience](https://mckerchercorporation.com/perth-solar-warehouse-expansion/) From October 2017, Perth Solar Warehouse closed the gap through the newly established PSW Energy brand to offer Perth Solar Warehouse infrastructure/services to a broader market. With a continued commitment to… - [Perth Solar Warehouse Northern Suburbs Facility](https://mckerchercorporation.com/perth-solar-warehouse-northern-suburbs-facility/) Perth Solar Warehouse, a subsidiary of McKercher Corporation and a leading provider of solar energy solutions for both residential and commercial sectors, is scheduled to open a new facility in Neerabup, Western… - [PSW Energy Yields Improved Growth With V.2 Research Centre](https://mckerchercorporation.com/psw-energy-yields-improved-growth/) Following an initial concept release (Energy Research Centre, 2016), an evolved PSW Energy Research Centre offers an even more immersive experience towards assisting consumer knowledge of sustainable energy solutions.… ### Market Commentary - [Solar Industry Updates — Strategic Insights for 2026](https://mckerchercorporation.com/solar-industry-updates-strategic-insights-for-2026/) — 1 Jan 2026 As the year draws to a close, December’s bulletin provides a consolidated overview of key announcements published across the McKercher Corporation family of brands, including PSW Energy and Perth Solar Warehouse. These… - [2025 SolarNerds Annual Industry Review](https://mckerchercorporation.com/2025-solarnerds-annual-industry-review/) — 1 Jan 2025 McKercher Corporation acknowledges the latest independent industry benchmarking from SolarNerds.com.au (2025 Awards Edition), which ranks PSW Energy (including Perth Solar Warehouse volume) among Western Australia's… - [Perth Solar Warehouse In-house Solar Installation Service Bucks Industry Trend](https://mckerchercorporation.com/solar-installers/) It’s known that verticle integration of sustainable energy infrastructure supply businesses provides improved customer outcomes. Therefore, why do many companies avoid executing the installation directly? Reducing risk… ### Partnerships - [NETCC Approved Seller status confirmed for McKercher brands](https://mckerchercorporation.com/netcc-approved-seller-2027/) — 19 Apr 2026 Both PSW Energy and Perth Solar Warehouse have renewed their certification as New Energy Tech Consumer Code (NETCC) Approved Sellers. PSW Energy holds certification valid through 13 May 2027; Perth Solar Warehouse… - [Nantong, Sigenergy Smart Energy Centre Launch: PSW Represents Western Australia](https://mckerchercorporation.com/sigenergy-smart-energy-centre-launch/) — 13 Mar 2026 On 13 March 2026, our team represented Western Australia at one of the most significant events in the global clean energy calendar: the official inauguration of the Sigenergy Smart Energy Centre in Nantong, China. PSW… - [7 Years Strong: Perth Solar Warehouse x Tesla Partnership](https://mckerchercorporation.com/2026-tesla-premium-certified-installer/) — 16 Feb 2026 The collaborative Perth-region Duo, PSW Energy and Perth Solar Warehouse, has been recognised as a Tesla Premium Certified Installer for the fifth consecutive year. For McKercher Corporation, this milestone marks an… - [Unprecedented Period: Sigenergy Supports Aussie Installers](https://mckerchercorporation.com/sigenergy-supports-australian-installers/) — 17 Dec 2025 The Australian solar installation industry has recently experienced one of its most challenging periods in recent memory. The surge in demand generated by the Cheaper Home Batteries Program created significant momentum… - [Understanding the Tesla Installer Performance Score (TIPS)](https://mckerchercorporation.com/tesla-installer-performance-score-tips/) — 30 Nov 2025 Tesla has launched the Tesla Installer Performance Score (TIPS), a new, data-driven framework aimed at assessing and acknowledging the technical excellence and customer satisfaction of its installation partners. For… - [Perth Solar Warehouse Adopts Cutting-Edge Jinko Bifacial Solar Panel](https://mckerchercorporation.com/new-jinko-bifacial-solar-panel/) — 17 Dec 2024 Perth, Western Australia – December 17, 2024 – Perth Solar Warehouse (PSW) announces the adoption of the evolutionary Jinko Tiger Neo All-Black Bifacial solar panel with Dual-Glass to succeed the monofacial Jinko Neo… - [The Acclaimed Aiko Neostar 2P Solar Panel Arrives in Western Australia](https://mckerchercorporation.com/aiko-neostar-2p-solar-panel/) — 6 Sep 2024 Perth, Western Australia – September 6 2024 – McKercher Corporation, a leading provider of renewable energy solutions, is pleased to announce the availability of the highly anticipated Aiko Neostar 2P solar panel at… - [Tesla Energy Tech Talk 2023](https://mckerchercorporation.com/tesla-energy-tech-talk-2023/) — 1 Jan 2023 Powerwall 2 in the shadows (black & white) for the inaugural Tesla Energy Tech Talk in Perth Western Australia - [Aiko Solar Panels Add Fierce Competition](https://mckerchercorporation.com/aiko-solar-panels-add-fierce-competition/) Q2, 2024, Aiko Solar will arrive in Australia, adding fierce competition in the ultra-high efficiency stakes. Primarily a world-leading manufacturer in cell shipments (Rank: 2nd, 2023, source: InfoLink), the technology… - [Bluetti Stockist Perth Solar Warehouse](https://mckerchercorporation.com/bluetti-stockist-perth-solar-warehouse/) Couple using the Bluetti AC180P on a park table with appliances plugged in as a portable power supply - [Perth Solar Warehouse welcomes esteemed Fronius Solutions Partnership](https://mckerchercorporation.com/fronius-solutions-partner/) Perth Solar Warehouse welcomes the esteemed Fronius Solutions Partnership with one of Australia’s favourite solar inverter technologies. Possessing an extended history of installing and supporting Fronius inverters in… - [Huawei FusionSolar Vacating Australian Solar Market](https://mckerchercorporation.com/huawei-fusionsolar-vacating-australian-solar-market/) From 2024, all second-generation Huawei solar technologies entering the Australian market will become iStore. The move comes as political reaction leaves a sour taste for the telecommunications giant whose solar… - [Kleenheat Spark Installation Partnership Agreement](https://mckerchercorporation.com/kleenheat-spark-installation-partnership-agreement/) The Kleenheat Spark program has launched in Perth, Western Australia, through a strategic primary partnership between Kleenheat and Perth Solar Warehouse, as a leading local installation partner. - [PSW Adopts Australian-Made Tindo Solar Panels](https://mckerchercorporation.com/psw-adopts-australian-tindo-solar-panels/) McKercher Corporation is pleased to announce that PSW Energy and Perth Solar Warehouse have officially adopted Tindo Solar panels, which are the only photovoltaic modules manufactured in Australia. This strategic… - [PSW Energy Delivers Sigenergy Showcase](https://mckerchercorporation.com/psw-energy-delivers-sigenergy-showcase/) Sigenergy mySigen app for SigenStor in the palm of a users hand displaying the energy ecosystem on a mobile smart device - [Installer Guide: REC Alpha Pure-RX Solar Panel Installation](https://mckerchercorporation.com/rec-alpha-pure-solar-panel-installation/) This guide will provide you with the knowledge and skills necessary to install REC Alpha Pure-RX solar panels safely and effectively. It is crucial to follow these guidelines to ensure optimal panel performance and to… - [Sigenergy Installer Training and System Design](https://mckerchercorporation.com/sigenergy-installer-training/) This manual provides comprehensive instructions for safely and effectively installing Sigenergy SigenStor energy storage systems. Professional installers should always maintain comprehensive best-practice knowledge,… - [Sigenergy SigenStor Partnership](https://mckerchercorporation.com/sigenergy-sigenstor-partnership/) May 2024: Perth Solar Warehouse announces retailer partnership with energy innovator Sigenergy. Presenting its innovative software-first product foundation, Sigenergy's initial release to the Australian market is a new… - [SigenStor AC Output Interface Product Change Notice](https://mckerchercorporation.com/sigenstor-ac-output-interface-product-change-notice/) October 2025, Sigenergy Technology Co., Ltd. has announced an update to the AC Output Interface for the SigenStor EC and Sigen Hybrid series. This change is designed to improve installation reliability and wiring… - [SMA Power-Up Partner](https://mckerchercorporation.com/sma-power-up-partner/) The world’s most iconic solar inverter brand makes another bold move towards exclusivity. SMA Solar Technology launched the SMA Power-Up program in Australia in January 2019 to affiliate the brand with technically… - [Tesla Certified Installer PSW Energy First to Adopt Improvements](https://mckerchercorporation.com/tesla-certified-installer/) After an extensive onboarding process to ensure the Tesla brand integrity and unrivalled customer satisfaction, PSW Energy is a Tesla Certified Installer. With partnerships previously restricted to national retailers,… - [Tesla Powerwall 3](https://mckerchercorporation.com/tesla-powerwall-3/) Tesla Powerwall 3 installed in a garage on a black wall ### Product Updates - [Powerwall 2 and Powerwall 3 are coming to the same roof](https://mckerchercorporation.com/powerwall-2-powerwall-3-compatibility/) — 10 Mar 2026 A forthcoming firmware release from Tesla will enable the combined operation of Powerwall 2, Powerwall 3, and Powerwall 3 Expansion units, opening a meaningful new upgrade pathway for existing customers and a new sales… - [Solar Panel Prices to Rise 15–20% in Australia (Q1–Q2 2026)](https://mckerchercorporation.com/solar-panel-price-increase-australia-q1-q2-2026/) — 21 Jan 2026 If you are considering rooftop solar and waiting for “the right time,” the next few months may not be the bargain window they once were. McKercher Corporation is currently forecasting a market-wide increase of… - [Silicon Wafer Prices Rebound: Implications for Solar](https://mckerchercorporation.com/silicon-wafer-prices-rebound/) Recent developments in the solar industry indicate that silicon wafer prices, a key component influencing the cost of solar panels, have rebounded slightly after a period of fluctuation. While this brings a degree of… - [Technical Product Road Map](https://mckerchercorporation.com/technical-product-road-map/) This roadmap provides a technical summary of PSW Energy and Perth Solar Warehouse's current product platforms and planned areas of optimisation. All items listed are available solutions; roadmap notes indicate where we…