[1] The water usage rights jointly sit with Pioneer Energy (formerly the Otago Central Electric Power Board) and the Teviot Irrigation Company.

[2] In 2019, the Interim Climate Change Committee proposed that the lake be used for a pumped hydro-storage system to provide backup electricity generation in dry years.

[3][4][5] In July 2020, Minister of Energy Megan Woods announced that the New Zealand government would fund a detailed feasibility study of the plan.

[8] If the project goes ahead it will completely drown and submerge a small scroll plain with its swirling and migrating meanders (formerly known as Dismal Swamp).

[11] In December 2023, the Energy Minister in the new National-led government, Simeon Brown, announced the axing of the pumped hydro scheme, saying, "This hugely wasteful project was pouring money down the drain at a time when we need to be reining in spending and focussing on rebuilding the economy and improving the lives of New Zealanders".