Table 4
| Undertaking | System | Generating capacity kW | Per capita Consumption kWh |
| Local Authorities | |||
| Aldershot MB | AC/DC | – | 161.5 |
| Basingstoke MB | AC/DC | 2,570 | 147.6 |
| Brentford & Chiswick MB | AC/DC | 1,220 | 127.8 |
| Calne MB | DC | – | 20,7 |
| Chichester MB | AC | – | 222.4 |
| Dorchester MB | AC | – | 112.8 |
| Ealing MB | AC | – | 215.9 |
| Fareham UD | AC | – | 117.7 |
| Heston & Isleworth MB | AC/DC | 2,100 | 404.4 |
| Maidenhead MB | AC/DC | 970 | 200.7 |
| Marlborough MB | DC | – | 60.2 |
| Oxford CB | AC/DC | 22,500 | 349.6 |
| Portland UB | AC | – | 69.1 |
| Portsmouth CB | AC/DC | 32,500 | 217.6 |
| Reading CB | AC/DC | 14,780 | 193.2 |
| Southampton CB | AC/DC | 44,137 | 307.6 |
| Swindon MB | AC/DC | 15,000 | 324.4 |
| Weymouth & Melcombe Regis MB | AC/DC | 6,450 | 200.8 |
| Winchester MB | AC/DC | – | 141.8 |
| Witney UD | AC/DC | – | 154.5 |
| Companies | |||
| Abingdon ES Co. | AC | – | 77.0 |
| Alton District E Co. | AC/DC | 300 | 170.5 |
| Amesbury El & G Supply Co. | DC | 147 | 92.0 |
| Ascot District G & E Co. | AC/DC | 500 | 71.8 |
| Blandford Forum & Dist ESCo. | AC | – | 96.9 |
| Bognor G & E Co. | AC/DC | 503 | 171.0 |
| Bournemouth & Poole E S Co. | AC/DC | – | 141.9 |
| Brentford ES Co. | AC | – | 304.3 |
| Burford El&P Co. | AC/DC | 23 | 69.8 |
| Chipping Norton ES Co. | DC | 23.5 | 58.0 |
| Cirencester ES Co. | AC | – | 69.9 |
| Cookham & District ES Co. | AC | – | 83.3 |
| Downton El Co. | AC | 188 | 103.7 |
| Egham & Staines Es Co. | AC | – | 161.1 |
| Farnham G & E Co. | AC | 480 | 139.5 |
| Gosport & Alverstoke E Co. | DC | – | 46.8 |
| Isle Of Wight El&P Co: | AC | 9,000 | 81.3 |
| Lymington El&P Co. | AC/DC | 650 | 58.4 |
| Metropolitan ES Co. | AC/DC | — | – |
| Mid-Southern Dist Utility Co. | AC/DC | 2,215 | 64.3 |
| Milford-On-Sea ES Co. | AC | – | 28.9 |
| Milton & Barton-On-Sea ES Co. | AC | – | 56.1 |
| Newburya | AC/DC | 1.000 | 90.8 |
| Oxford E Co. | AC | – | 425.3 |
| Petersfield El&P Co. | AC | – | 280.6 |
| Ringwood ES Co. | AC | 145 | 56.1 |
| Salisbury Ep &S Co. | AC/DC | 2,980 | 90.8 |
| Slough & Datchet Es Co. | AC/DC | 2,200 | 174.1 |
| Thames Valley Es Co. | AC | – | 51.7 |
| Tisbury Es Co. | AC | – | 21.8 |
| Uxbridge & District Es Co. | AC | 4,350 | 320.7 |
| Wantage Es Co. | AC | – | 32.5 |
| Wessex Electricity Co. | AC/DC | 2,487 | 79.6 |
| West Hampshire E Co. | AC | – | 33.7 |
| West Wilts El&P Co. | AC | – | 228,8 |
| Whitchurch (Hants) Gas Co. | AC | – | 72.2 |
| Wilton Es Co. | AC | – | 68.0 |
| Windsor Ei Co | AC/DC | – | 137.2 |
| Woodstock & Dist El Distrib Co. | AC | – | 61.1 |
| Wycombe (Borough) El&P Co. | AC/DC | 3,600 | 160.8 |
| Yeovil El&P Co. | DC | 795 | 93.8 |
| Yorktown (Camberley) & Dist G&E Co. | AC | – | 63.8 |
