8.45pm: Power has been restored.
7.23pm: Power is out to eight major western suburbs in Tauranga tonight.
Power was cut at 7.22pm to Bellevue, Bethlehem, Brookfield, Judea, Matua, Otumoetai, Te Puna and Wairoa.
The affected power feeders were in Matua and Otumoetai, according to PowerCo, but the cause is still under investigation.
The power is expected to be restored by 11pm.