| 2911 | Australia | Williams Electrical and Solar Solutions | 35, Park Avenue, Caves Beach, NSW 2281 | +61 439 015424 | https://williams-electrical-and-solar-solu... | | |
| 2912 | Australia | Willkat | | | https://www.willkat.com.au | | |
| 2913 | Australia | Wilsons Solar & Electrical Pty Ltd | 15 Stevenson Lane, Taree, NSW 2430 | +61 425 238855 | wilsonsolar.com.au | SMA Solar Technology AG, Fronius International GmbH | |
| 2914 | Australia | Windpower Australia Pty Ltd | 200 Ninth Ave, Austral NSW 2179 | +61 2 96060033 | windpower.com.au | | Astronergy Co., Ltd. (Chint Solar), Suzhou Talesun Solar Technologies Co., Ltd., Hanover Solar GmbH |
| 2915 | Australia | Winters Electrical | Unit 1 52 Supply Road, Edmonton 4861 | +61 400 766670 | winterselectrical.com | | |
| 2916 | Australia | Wired Rite Electrical | PO Box 445, Helensvale QLD 4212 | +61 414 958525 | www.wiredrite.com.au | | |
| 2917 | Australia | Wise Electrical Services | 4/6 Corbusier Place Balcatta 6021 Perth | +61 8 61423858 | www.wiseelectrical.com.au | | |
| 2918 | Australia | WM Electrical Services | 3 Hillrise Cl., Narre Warren South VIC 3805 | +61 412 545880 | https://wmelectrical.com.au | | |
| 2919 | Australia | Wolf Electrical | | +61 3 86858486 | www.wolfelectrical.com.au | | |
| 2920 | Australia | Wolff Energy Solutions | 5/50 Neon Street, Sumner 4074 | +61 1300 096533 | https://wolffenergysolutions.com.au | | |
| 2921 | Australia | Wollondilly Electrical Contracting and Sales Pty Ltd. | 4/15 Henry Street, Picton, NSW, 2571 | +61 2 46770101 | https://www.wollondillyelectrical.com.au | | |
| 2922 | Australia | Wollongong Auto Electrics | 25 Flinders St., Wollongong, NSW | +61 2 42263093 | https://www.wollongongautoelectrics.com.au | | |
| 2923 | Australia | Wondai Electrical Service | 10, Bunya Ave, Wondai, QLD, 4606 | +61 7 41685518 | www.wondaielectrical.com.au | | JA Solar Holdings Co., Ltd., Canadian Solar Inc., Jinko Solar Holding Co., Ltd. |
| 2924 | Australia | Woodvale Property & Electrical Services | 65, Hirons Road, Theebine, QLD, 4570 | +61 417 696950 | woodvale.farm/ | | |
| 2925 | Australia | Worley | Level 17, 141 Walker Street, North Sydney NSW 2060 | +61 2 89236866 | www.worleyparsons.com | | |
| 2926 | Australia | Wow Solar | Unit B-19/8, Hurley St, Canningvale, WA 6155 | +61 8 61427371 | wowsolar.net.au | | |
| 2927 | Australia | X-Alt Solar | Ormeau Queensland 4208 | +61 402 658313 | www.x-altsolar.com.au | Jinko Solar Holding Co., Ltd., Suzhou Talesun Solar Technologies Co., Ltd. | SolarEdge Technologies, Ltd., Ginlong Technologies Co., Ltd |
| 2928 | Australia | YD Projects Pty Ltd. | PO Box 1441, Coorparoo DC, QLD 4151 | +61 412000789 | www.ydot.com.au | | |
| 2929 | Australia | Yello Energy Group | 1/14, Wormald Street, Symonston, 2609 | +61 1800 845040 | https://yelloenergygroup.com.au | SMA Solar Technology AG, Fronius International GmbH, SolaX Power Network Technology(Zhejiang) Co.,Ltd. | |
| 2930 | Australia | Yellow Power Company | | +61 1300 246700 | yellowpower.com.au | Suntech Power Co., Ltd. | |
| 2931 | Australia | Yeppoon Electrical and Solar | Lammermoor, Yeppoon, QLD, 4703 | +61 437 009061 | yeppoonsolar.com.au/ | REC Group, Hanwha Q CELLS GmbH, Suntech Power Co., Ltd. | Fronius International GmbH, Sungrow Power Supply Co., Ltd. |
| 2932 | Australia | Yates Electrical Services | Lot 41 Sturt Highway, Paringa, SA 5340 | +61 8 81190777 | www.yateselectrical.com | | |
| 2933 | Australia | Ygrene Energy | 3 Orion St, Yass NSW 2582 | +61 419 267042 | www.ygreneenergy.com.au | SunPower Corp., Trina Solar Limited, BYD Company Limited, LG Electronics, Inc. | SMA Solar Technology AG, Fronius International GmbH, Victron Energy BV, Selectronic Australia Pty Ltd, SolarEdge Technologies, Ltd. |
| 2934 | Australia | Yorke Solar | Moonta Bay, Yorke Peninsula, SA 5558 | +61 430 347711 | https://yorkesolar.com.au | Hanwha Q CELLS GmbH, LG Electronics, Inc. | SMA Solar Technology AG, Fronius International GmbH, Sungrow Power Supply Co., Ltd. |
| 2935 | Australia | Your Choice Solar | Level 3, 146 Bundall Rd., Bundall, QLD 4217 | +61 1300 123786 | yourchoicesolar.com.au | Hanwha Q CELLS GmbH | Fronius International GmbH |
| 2936 | Australia | Your Electrician Gold Coast | 15/120 Surf Parade, Broadbeach, Gold Coast QLD 4218 | +61 7 56068119 | https://www.yourelectriciangoldcoast.com.au | | |
| 2937 | Australia | Your Electrician Melbourne | 310a/430, Little Collins Street, Melbourne, 3000 | +61 3 91328026 | yourelectricianmelbourne.net.au/ | | |
| 2938 | Australia | Your Green Planet | 4/13-15 Station St, Wentworthville NSW 2145 | +61 1300 667636 | yourgreenplanet.com.au | | |
| 2939 | Australia | Yuma Energy | Gold Coast, QLD | +61 448 866564 | https://yumaenergy.com.au | | |
| 2940 | Australia | ZAC Power | 101 Brisbane St, Cowra NSW 2794 | +61 438 464335 | https://zacpower.com.au | | |