Unison Networks

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Unison Networks
Industry Electricity distribution
PredecessorHawke's Bay Electric Power Board
Founded1924
Headquarters
Hastings
,
New Zealand
Area served
Hawkes Bay, Rotorua, Taupō
Key people
Philip Hocquard (Chair)
Jaun Park (CEO)
Revenue$210m [1]
$27m [1]
Total assets $721m [1]
Total equity $343m [1]
Parent Hawke's Bay Power Consumers' Trust
Website www.unison.co.nz

Unison Networks Limited (Unison) is an electricity distribution based in Hastings, New Zealand.

Contents

Unison owns and manages the electricity lines network in the Hawke's Bay, Rotorua and Taupō regions. The service area covers 12,000 km2. [2] The Unison group also provides electrical, civil, and vegetation contracting services; manufactures electrical products; and operates an insurance company. [1]

Ownership

The company is 100% owned by the Hawke's Bay Power Consumers' Trust on behalf of electricity consumers in the Hawke's Bay area. The Trust is made up of five elected Trustees and operates under a Trust Deed. [3]

Distribution network

The Unison subtransmission and distribution network is supplied from the national grid via Transpower substations. Seven Transpower grid exit points (GXPs) supply the Unison network: Redclyffe, Fernhill, and Whakatu for Napier-Hastings; Wairakei for Taupo; and Rotorua, Owhata, and Takurenga for Rotorua.

Network statistics

Unison Networks Limited network statistics for the year ending 31 March 2024 [4]
ParameterValue
Regulatory asset base$886 million
Line charge revenue$145.5 million
Capital expenditure$102.6 million
Operating expenditure$50.9 million
Customer connections119,182
Energy delivered1,674 GWh
Peak demand338 MW
Total line length9,403 km
Distribution and low-voltage overhead lines5,072 km
Distribution and low-voltage underground cables3,831 km
Subtransmission lines and cables500 km
Poles65,930
Distribution transformers10,383
Zone substation transformers60
Average interruption duration (SAIDI)208 minutes
Average interruption frequency (SAIFI)2.50

History

Early in the twentieth century, electricity generation and distribution was managed by local councils or municipal departments. An electricity network was established in Hastings in 1912, with a power house in Eastbourne Street. Following changes to national legislation, the Hawke's Bay Electric Power Board was formed in 1924. [5]

Subsidiaries

See also

References

  1. 1 2 3 4 5 "Annual Report 2015". Unison. 4 November 2015.
  2. ↑ "Asset Management Plan 2015" (PDF). Unison. 30 March 2015.
  3. ↑ "Hawke's Bay Power Consumers' Trust". Unison. Retrieved 21 January 2016.
  4. ↑ "Performance summaries for electricity distributors – Year to 31 March 2024". Commerce Commission. 8 July 2025. Retrieved 9 September 2025.
  5. ↑ "Unison's History". Unison.
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