Essential public infrastructure like streetlights, traffic lights, signs and CCTV are covered by unmetered supply tariffs.
The following energy rates vary based on lamp type, wattage and hours of operation.
Fluorescent
| Tariff | Wattage | Midnight Switch-off (c) cents/day | 1.15 a.m. Switch-off (c) cents/day | Dawn Switch-off (c) cents/day |
|---|---|---|---|---|
| Z.56 | 40 | 67.7696 | 68.7000 | 72.1455 |
High pressure sodium (HPS)
| Tariff | Wattage | Midnight Switch-off (c) cents/day | 1.15 a.m. Switch-off (c) cents/day | Dawn Switch-off (c) cents/day |
|---|---|---|---|---|
| Z.13 | 150 | 86.5035 | 89.3865 | 102.2279 |
| Z.15 | 250 | 105.7710 | 111.0926 | 131.4058 |
Incandescent
| Tariff | Wattage | Midnight Switch-off (c) cents/day | 1.15 a.m. Switch-off (c) cents/day | Dawn Switch-off (c) cents/day |
|---|---|---|---|---|
| Z.52 | 100 | 51.7440 | 53.6837 | 59.1013 |
Light emitting diode (LED)
| Tariff | Wattage | Midnight Switch-off (c) cents/day |
1.15 a.m. Switch-off (c) cents/day |
Dawn Switch-off (c) cents/day |
|---|---|---|---|---|
| Z.59 | 66W LED / 3000K-LED 70W |
71.1709 | 72.5689 | 76.9519 |
| Z.60 | 132W LED / 3000K-LED 140W |
86.7524 | 90.2873 | 105.5550 |
| Z.61 | 198W LED | 89.5828 | 94.1789 | 114.0448 |
| Z.62 | 25W LED / 3000K-LED 28W / 3000-LED 43W |
67.8926 | 68.5014 | 69.8927 |
| Z.63 | 120W LED | 80.9059 | 83.0726 | 92.8143 |
| Z.64 | 180W LED | 89.4052 | 93.9566 | 113.6315 |
| Z.65 | 18W LED / 3000K-LED 16W |
66.6535 | 66.9809 | 67.3331 |
| Z.66 | 20W LED | 66.8570 | 67.2308 | 67.7539 |
| Z.67 | 53W LED | 70.5244 | 71.7701 | 75.5738 |
| Z.68 | 80W LED | 71.9398 | 73.5186 | 78.5907 |
| Z.69 | 160W LED | 83.1922 | 85.8939 | 97.7965 |
| Z.70 | 70W LED | 71.3777 | 72.6890 | 77.6430 |
| Z.71 | 140W LED | 93.8718 | 96.6203 | 107.0034 |
| Z.72 | 28W LED | 68.5370 | 68.8947 | 70.2463 |
| Z.73 | 43W LED | 68.8077 | 69.9906 | 74.4592 |
| Z.74 | 16W LED | 66.5960 | 66.7595 | 67.3770 |
Mercury vapour (MV)
| Tariff | Wattage | Midnight Switch-off (c) cents/day | 1.15 a.m. Switch-off (c) cents/day | Dawn Switch-off (c) cents/day |
|---|---|---|---|---|
| Z.01 | 50 W MV | 69.7008 | 71.0680 | 76.1649 |
| Z.02 | 80 WMV | 76.5030 | 78.1531 | 84.8450 |
| Z.03 | 125 W MV | 86.6913 | 89.3726 | 99.3476 |
| Z.07 | 250 W MV | 102.7760 | 107.6978 | 126.2279 |
| Z.10 | 400 W MV | 118.0224 | 123.1261 | 161.2207 |
Private streetlights
| Tariff | Wattage | Midnight Switch-off (c) cents/day | 1.15 a.m. Switch-off (c) cents/day | Dawn Switch-off (c) cents/day |
|---|---|---|---|---|
| Z.18 | Per kW | N/A | N/A | 383.0711 |
Unmetered Supply Tariffs
Essential public infrastructure like traffic lights, signs and CCTV are covered by unmetered supply tariffs. All prices are correct as at 1 July 2026, include GST (except where noted otherwise).
| Equipment type |
Description |
Supply charge per day |
|
Traffic light installations |
Traffic light installations are charged per day per kW of installed wattage. | $9.9271 |
|
Public telephone facility |
Standard public telephone facility where supply is not independently metered. | $0.7735 |
|
Railway crossing |
Standard railway crossing lights. | $0.9885 |
|
CCTV3 – NIS CCTV |
CCTV cameras | $1.3786 |
National Broadband Network (NBN)
|
NBN tariff |
Supply charge per day |
|
NBN1 – NIS NBN UMS FTTN 48 |
$1.5276 |
|
NBN2 – NIS NBN UMS FTTN 348 |
$9.6983 |
|
NBN3 – NWIS NBN UMS FTTN 48 |
$1.3102 |
|
NBN4 – NWIS NBN UMS FTTN 348 |
$8.5174 |
NML2
A non-metered L2 where consumption is calculated in kWh based on device capacity and then treated as a standard L2.
| Supply charge (per day) | $2.1288 |
| Unmetered energy (cents/kWh) | 33.1278 |
Get in touch to discuss your options
Our business team are here to help to discuss your options around managing your streetlights and unmetered supply needs.
Horizon Power acknowledges the Traditional Custodians throughout Western Australia and their continuing connection to the land, waters and community. We pay our respects to all members of the Aboriginal communities and their cultures; and to Elders past, present and emerging.
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