Bay of Plenty (New Zealand electorate) seat for National's Tony Ryall, who has been returned easily at every election since the seat's re-establishment in . The upper central North Island is an area where New Zealand First has done well, frequently getting a higher vote share in seats in both the Bay of Plenty region and in the Waikato than it does nationally. The earlier Bay of Plenty electorate from 1893 to 1978 was held by William Kelly 1893–1896, William Herries 1896–1908, William MacDonald 1908–1920, Kenneth Williams 1920–1935, Gordon Hultquist 1935–1941, Bill Sullivan 1941–1957, Percy Allen 1957–1975 and Duncan MacIntyre 1975–1978. Williams had the distinction of
Lake Rotoiti (Bay of Plenty) divert the nutrient rich waters of Lake Rotorua into the Kaituna River was completed in late 2008. The Bay of Plenty Regional Council expected to see improvement in lake water quality within five years and the Rotorua Te Arawa Lakes Program reported in 2013 that the intervention has significantly improved water quality. Water quality is the highest it has been in decades, on track to meet targets set by the Program to meet community expectations. Lake Rotoiti has thermal hot-spring baths on the southern shore which are accessible by boat. Lake Rotoiti (Bay of Plenty) Lake Rotoiti is a lake