Horizon Power
Corporate brand
UnclaimedA government-owned Western Australian electricity provider serving regional towns and remote communities.
Last updated October 20, 2026
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Overview
Horizon Power is a government-owned electricity company serving regional and remote Western Australia. It was created on 1 April 2006 when Western Power Corporation was divided into separate businesses, with Horizon Power taking responsibility for electricity supply outside the main interconnected metropolitan and south-western network. Its role is closely associated with the geographic and operational challenges of supplying dispersed communities across one of the world’s largest service territories. The company operates across the Pilbara, Kimberley, Gascoyne, Mid West and Southern Goldfields-Esperance regions. Its head office is in Karratha, while regional offices are located in Broome, Kununurra, Carnarvon, Esperance and Port Hedland; administrative support is also provided from Perth. Horizon Power’s customer base includes residential consumers, businesses, public facilities and industrial users in regional towns and isolated communities. The company manages 38 electricity systems. These include the North West Interconnected System in the Pilbara, the interconnected network linking Kununurra, Wyndham and Lake Argyle, and 34 stand-alone systems distributed across regional Western Australia. The mix of interconnected and isolated networks requires different generation, distribution, maintenance and customer-service arrangements from those used by a conventional metropolitan utility. Horizon Power supplies approximately 47,000 customer connections, serving more than 100,000 residents and more than 10,000 businesses. Its service territory covers about 2.3 million square kilometres. The resulting population density is exceptionally low: the company describes its operating challenge as serving the largest area with the fewest customers in the world, with roughly one customer for every 53.5 square kilometres. Its core business is the delivery of electricity and associated network services rather than the sale of a consumer product portfolio. Depending on the community and system, electricity supply may involve interconnected transmission and distribution infrastructure or local stand-alone generation and networks. Horizon Power’s public-service function means that reliability, affordability, regional access and the practical operation of small power systems are central to its positioning. As a Western Australian government-owned enterprise, Horizon Power is distinct from a listed utility and is not presented as an independently traded public company. Its identity is primarily institutional and service-oriented: it provides essential electricity infrastructure to communities that are too remote or dispersed to be served through the same arrangements as the state’s major urban electricity network. Public information in the supplied reference material does not identify a founder, current executives, financial results, major campaigns, scandals or specific branded product launches.
History
Horizon Power was established on 1 April 2006 following the division of Western Power Corporation. The restructuring separated electricity functions in Western Australia and assigned Horizon Power responsibility for supplying regional and remote areas of the state. This institutional origin explains the company’s continuing focus on locations outside the principal metropolitan and south-western electricity network. From its establishment, Horizon Power’s operating model was shaped by the unusually large area and low population density of regional Western Australia. Rather than managing one continuous urban network, the company operates a portfolio of separate or partially interconnected systems. Its territory extends across the Pilbara, Kimberley, Gascoyne, Mid West and Southern Goldfields-Esperance regions, encompassing mining and industrial centres, regional towns and isolated communities. The company’s infrastructure includes the North West Interconnected System in the Pilbara, the connected electricity network linking Kununurra, Wyndham and Lake Argyle, and 34 stand-alone systems. These systems reflect the varied geography and settlement patterns of the state. Interconnected networks can share generation and network capacity across linked communities, while stand-alone systems require local arrangements for generation, distribution and ongoing maintenance. Horizon Power’s head office is in Karratha, with regional offices in Broome, Kununurra, Carnarvon, Esperance and Port Hedland. Administrative support is also delivered from Perth. Its service responsibility covers approximately 2.3 million square kilometres and includes around 47,000 electricity connections, more than 100,000 residents and over 10,000 businesses. The company’s historical significance is therefore less about a sequence of consumer-brand product releases and more about the organization of public electricity supply in remote Western Australia. Its principal function is to maintain access to electricity in communities where long distances, small customer populations and multiple isolated systems create a different operating environment from that of a metropolitan utility. The available reference material does not provide further dated details on leadership changes, financial performance, specific technology programs or major corporate controversies.
- 2006
Horizon Power established
[1]Horizon Power was created on 1 April 2006 after Western Power Corporation was split into separate entities, with Horizon Power assigned responsibility for electricity supply in regional and remote Western Australia.
Products and positioning
A public-service regional electricity utility focused on reliable and accessible power for remote and geographically dispersed communities in Western Australia.
Electricity utility service · 2006
Regional electricity supply
Horizon Power supplies electricity to residential, commercial, public-sector and industrial customers in regional Western Australian towns and remote communities. The service is delivered through a combination of interconnected networks and stand-alone systems, reflecting the state’s large distances and dispersed settlements.
Remote energy infrastructure · 2006
Stand-alone electricity systems
The company operates 34 stand-alone electricity systems across regional Western Australia. These systems provide local power services in communities that are not connected to the state’s larger interconnected networks and require dedicated generation, distribution and operational arrangements.
Electricity network service · 2006
North West Interconnected System services
Horizon Power manages electricity services associated with the North West Interconnected System in the Pilbara, supporting regional customers across one of Western Australia’s principal industrial and resource-producing areas.
Controversies
2020
Horizon Power fined over unsafe electrical work
Horizon Power was fined $40,000 by the Perth Magistrates Court over incorrect work in Kununurra that caused a fire and made telecommunications equipment at various properties potentially unsafe. The company had earlier pleaded guilty to breaching the Electricity Regulations 1947. The court proceedings addressed the unsafe electrical work and its consequences for the affected properties.
Recent events
Horizon Power fined over unsafe electrical work[3]
The Perth Magistrates Court fined Horizon Power $40,000 for incorrect work in Kununurra that caused a fire and made telecommunications equipment at various properties potentially unsafe. Horizon Power had earlier pleaded guilty to breaching the Electricity Regulations 1947.
Sources3 sources
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