| 25411 | South Africa | Hamsa Consulting Engineers | Strauss Daly Place Suite 407, 4th Floor, 41 Richefond Circle, Ridgeside Office Park, Umhlanga Ridge, KZN, 4319 | +27 31 5725723 | hamsaeng.co.za | | |
| 25412 | South Africa | Hanonox (Pty) Ltd | 7 Oakhurst Office Park, 112 Ridge Road, Bartlett, Boksburg 1459 | +27 10 3125790 | https://www.hanonox.co.za | CSB Energy Technology Co., Ltd., BYD Company Limited, Pylon Technologies Co., Ltd. | |
| 25413 | South Africa | HappySolar | Mowbray, Cape Town | +27 87 5503186 | www.happysolar.co.za | | |
| 25414 | South Africa | Harris Electrical | 45-47 Vasco Boulevard, Goodwood, 7460 | +27 21 8214000 | www.harriselectrical.co.za | | |
| 25415 | South Africa | Hawk Solar & Construction (Pty) Ltd | | +27 66 2080152 | www.hawksolar.co.za | SMA Solar Technology AG, GoodWe Power Supply Technology Co., Ltd. | |
| 25416 | South Africa | Hawkeys Electrical | 6 Hooker Road, Hatton Estate 3610 | +27 79 9221373 | https://hawkeys-electrical.business.site | | |
| 25417 | South Africa | Helderberg Solar Energy (Pty) Ltd | Gordons’s Bay, Cape Town, Western Cape | +27 615 571 644 | www.helderbergsolarenergy.com | Canadian Solar Inc. | Victron Energy BV |
| 25418 | South Africa | Hemera | Unit 12, Old Mill Industrial Park, 15 Sucrose Crescent, Mount Edgecombe, Durban | +27 31 8116843 | design5388.wixsite.com/hemera | | |
| 25419 | South Africa | Herholdt’s Renewable Energies | 3 Maroela Street, Old Industrial, Bloemfontein, 9301 | +27 51 4472001 | renewables.herholdts.co.za | SMA Solar Technology AG, SolarEdge Technologies, Ltd., Voltronic Power Technology Corp., Imeon Energy, MLT Inverters Pty. Ltd., Huawei Technologies Co., Ltd., Sunsynk Ltd. HK | |
| 25420 | South Africa | Hi Temp Solar Solutions | Stand 35, 37 Glen Manor Street, Menlyn, Pretoria, 0063 | +27 12 4920548 | hitemp.co.za | | |
| 25421 | South Africa | Hlamara Energy (Pty.) Ltd. | Warehouse 0001E, Metromitch Building, 563 Carl Street, Pretoria West, 0183 | +27 12 3271222 | hlamaraenergy.co.za | | |
| 25422 | South Africa | Hudu Solar (Pty) Ltd | PO Box 3027, Rivonia 2128 | +27 82 6545300 | www.hudu.co.za | | |
| 25423 | South Africa | Hybrid Power Systems | 1459 Boksburg | +27 71 1433833 | https://web.facebook.com/HybridEnergy/ | | |
| 25424 | South Africa | Hybrid Solutions S.A (Pty.) Ltd. | Plot 15, Farm Tweedragt 516JR, Boschkop, Pretoria | +27 65 8405164 | www.hybridsol-sa.co.za | IBC Solar AG, Jinko Solar Holding Co., Ltd., ARTsolar (Pty) Ltd | SMA Solar Technology AG, Victron Energy BV |
| 25425 | South Africa | i Power SA | PO Box 524, Western Cape 7141, South Africa | +27 72 6196868 | ipowersa.co.za | SMA Solar Technology AG, Victron Energy BV, Samlex America Inc., AISWEI New Energy Technology (Jiangsu) Co., Ltd. | Discover Energy Corp. |
| 25426 | South Africa | Ibhayi Contracting | 8 Woodpecker Street Cotswold Port Elizabeth, Eastern Cape | +27 41 3652871 | ibhayicontracting.co.za | | |
| 25427 | South Africa | ID Solar | Halfway Gardens, Midrand, Gauteng 1685 | +27 82 4663581 | https://www.idsolar.co.za | | |
| 25428 | South Africa | iECO Solar | | +27 82 7839715 | iecosolar.co.za | | |
| 25429 | South Africa | IET Solar | 3 Bognor St., Port Elizabeth 6001 | +27 83 4750216 | www.iet-solar.co.za | | ReneSola Ltd. |
| 25430 | South Africa | Ikageng Electrical Contractors | 2 Aplha Str., Old East End, Bloemfontein, 9301 | +27 51 4301469 | www.ikagengelectrical.co.za | | |
| 25431 | South Africa | Ilaanga Energy | 38 Chris Barnard Street, Vorna Valley, Midrand 1686 | +27 11 9020059 | www.ilaanga-energy.co.za | SMA Solar Technology AG, Schneider Electric SA | |
| 25432 | South Africa | iLog Systems | Johannesburg | +27 82 4134777 | www.ilogsystems.co.za | | |
| 25433 | South Africa | In-toto Solutions Pty Ltd | 94 Eloff Str Extension, Village Deep, Johannesburg, 2001 | +27 11 4903800 | www.in-totosolutions.co.za | | |
| 25434 | South Africa | IndustraTech | 7 Erne Road, Bluff, Durban, 4052 | +27 31 4677019 | industratech.co.za | | |
| 25435 | South Africa | INGWE Projects and Consulting (Pty.) Ltd. | Sheldon Place, 1st Floor Office 13B, 6 Lone Close, Lonehill, 2191 | +27 83 2883503 | https://ingwepc.com | Victron Energy BV | |
| 25436 | South Africa | Instrulec | 20 William Lynn Street, White River Mpumalanga 1240 | +27 72 8004192 | instrulec.com | | |
| 25437 | South Africa | Iseli Energy | 72 Manhattan, Airport Industria, Cape Town 7902 | +27 21 1110425 | www.iseli-energy.com | | |
| 25438 | South Africa | iSolar Solutions | 4 Van Riebeeck Cres, Horison, Roodepoort, 1724 | +27 71 8979932 | www.isolarsolutions.co.za | SMA Solar Technology AG, Victron Energy BV | |
| 25439 | South Africa | JA Electrical Contractors CC | Dr Swanepoel Rd, Montana, Pretoria, 0151 | +27 79 5106633 | jaelectrical.co.za/ | | |
| 25440 | South Africa | JA Immelman Elektries (Edms) Bpk | Addreley street 09 | +27 23 6266910 | jaimmelmanelektries.co.za | | |