The Mangahao Power Station provides hydroelectric power and is situated near the town of Shannon. It serves Wellington, Horowhenua, Taranaki, Hawkes Bay, and the Wairarapa. After being delayed by the first world war construction began in late 1919 and the station opened in November 1924. The substation for Wellington was built at Khandallah.

Main transmission lines from Mangahao Electric Power Station to Khandallah Substation
Identification
- Object type
- Image
- Digitisation ID
- 2011P_Mgh159_005794
- Title
- Main transmission lines from Mangahao Electric Power Station to Khandallah Substation
- Held In
- Coolstore
Creation
- Created By
- Unknown
- Place
- Wellington
- Date
- circa 1922 to circa 1925
Object rights
- Credit Line
- Palmerston North City Library
- License
- No Known Restrictions
Taxonomy
- Community Tags
User comments