Editing Napier, New Zealand (section)

===Energy===
[[Coal gas|Town gas]] supply to Napier began in January 1876 following the completion of the Napier gas works on the corner of Wellesley Road and Sale Street. The Napier Borough Council established its first gas street lights in 1879.<ref name=":2">{{Cite web |title=Gas installation backfires on director |url=https://www.nzherald.co.nz/hawkes-bay-today/news/historic-hb-gas-installation-backfires-on-director/6FD6SJQAGGUCD6NWI4JYGYWXAI/ |access-date=3 February 2022 |website=[[The New Zealand Herald]] |date=20 September 2019 |language=en-NZ}}</ref>

The Napier Municipal Electricity Department (MED) established the city's first public supply in September 1913, using town gas and later diesel engines for generation and supplied consumers with 230/460 volts DC.<ref name=":3">{{cite web |url=https://www.napier.govt.nz/napier/about/history/napier-development/ |title=Napier Development – Napier City Council |website=www.napier.govt.nz}}</ref><ref>{{Cite web |url=https://atojs.natlib.govt.nz/cgi-bin/atojs?a=d&d=AJHR1920-I.2.1.5.1&pg=51&e=-------10--1------0-- |title=AtoJs Online — Appendix to the Journals of the House of Representatives — 1920 Session I — D-01 PUBLIC WORKS STATEMENT. BY THE HON. J. G. COATES, MINISTER OF PUBLIC WORKS. |date=1920 |website=atojs.natlib.govt.nz |language=en-NZ |access-date=11 April 2020}}</ref> Street lighting switched to electricity in 1915.<ref name=":3" /> Conversion to the now-standard 230/400 volts AC began in 1925 with the commissioning of a 400&nbsp;kW Fullager diesel generator, ahead of the arrival of grid power from [[Mangahao Power Station|Mangahao]] in 1927 and from [[Lake Waikaremoana|Waikaremoana]] in 1929. The Fullager generator remained in service as a peaking plant until it was decommissioned in 1970.<ref>{{Cite web |title=Powerhouse Stories » The Faraday Centre |url=https://www.faradaycentre.org.nz/about-us/powerhouse-stories/ |access-date=1 February 2022 |website=www.faradaycentre.org.nz}}</ref> Taradale and rural areas around the city were supplied by the Hawke's Bay Electric Power Board, formed in 1924.<ref name=":4" /> 

Natural gas arrived in Napier and Hastings in 1983, with the completion of the high-pressure pipeline from [[Kapuni]] gas field in Taranaki via Palmerston North to the cities.<ref>{{cite web |date=December 2016 |title=The New Zealand Gas Story |url=http://gasindustry.co.nz/dmsdocument/5344 |access-date=13 February 2017 |publisher=Gas Industry Company}}</ref> Town gas consumers were converted to natural gas over the next five years, culminating in the Napier gas works closing on 21 March 1988.<ref name=":2">{{Cite web |title=Gas installation backfires on director |url=https://www.nzherald.co.nz/hawkes-bay-today/news/historic-hb-gas-installation-backfires-on-director/6FD6SJQAGGUCD6NWI4JYGYWXAI/ |access-date=3 February 2022 |website=[[The New Zealand Herald]] |date=20 September 2019 |language=en-NZ}}</ref>

In 1991, the MED merged with the Electric Power Board, later renamed Hawke's Bay Power. The 1998 electricity sector reforms saw the retail base sold to [[Contact Energy]], with the remaining lines business renamed Hawke's Bay Networks and later [[Unison Networks]].<ref name=":4">{{cite web |url=https://www.unison.co.nz/tell-me-about/unison-group/unison's-history |title=Unison's history |website=www.unison.co.nz}}</ref>

In February 2004, the city and wider Hawke's Bay region lost natural gas supply for six days after a flood washed away a bridge near [[Ashhurst]] supporting the high-pressure pipeline to the region.<ref>{{cite web |url=https://www.nzherald.co.nz/ |title=Gas supplies return to normal in Hawke's Bay |date=20 February 2004 |via=www.nzherald.co.nz}}</ref>