1084 NEW ZEALAND GAZETTE No. 58

Designation of Approved Persons: Waitaki Power Trust

Pursuant to section 2 of the Energy Companies Act 1992 ("the Act"), I hereby approve the trustees for the time being of Waitaki Power Trust, being the trust referred to by that name in the establishment plan approved by me in respect of the Waitaki Electric Power Board on the 23rd day of March 1993, as approved persons for the purposes of Part IV of the Act.

Dated at Wellington this 21st day of April 1993.

MURRAY JOHN FINLAY LUXTON, Minister of Energy.

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Designation of Approved Persons: Waitomo Energy Services Customer Trust

Pursuant to section 2 of the Energy Companies Act 1992 ("the Act"), I hereby approve the trustees for the time being of Waitomo Energy Services Customer Trust, being the trust referred to by that name in the establishment plan approved by me in respect of the Waitomo Electric Power Board on the 17th day of March 1993, as approved persons for the purposes of Part IV of the Act.

Dated at Wellington this 21st day of April 1993.

MURRAY JOHN FINLAY LUXTON, Minister of Energy.

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Designation of Approved Persons: West Coast Electric Power Trust

Pursuant to section 2 of the Energy Companies Act 1992 ("the Act"), I hereby approve the trustees for the time being of West Coast Electric Power Trust, being the trust referred to by that name in the establishment plan approved by me in respect of the West Coast Electric Power Board on the 23rd day of March 1993, as approved persons for the purposes of Part IV of the Act.

Dated at Wellington this 21st day of April 1993.

MURRAY JOHN FINLAY LUXTON, Minister of Energy.

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Manapouri-Te Anau Development Act 1963

Operating Guidelines for Levels of Lakes Manapouri and Te Anau

Pursuant to section 4A of the Manapouri-Te Anau Development Act 1963, I, John Luxton, Minister of Energy, based upon the recommendations of the Guardians of Lakes Manapouri and Te Anau and of the Electricity Corporation of New Zealand Limited, hereby give the following notice of the operating guidelines for the levels of Lakes Manapouri and Te Anau aimed to protect the existing patterns, ecological stability, and recreational values of their vulnerable shorelines and to optimise the energy output of Manapouri power station.

Notice

1. Title and commencement—(1) This notice may be cited as the Manapouri-Te Anau Development Act (Operating Guidelines) Notice 1992.

(2) This notice shall come into force on its publication in the Gazette.

2. Application and Interpretation—(1) This notice applies to Lakes Manapouri and Te Anau.

(2) In this notice, unless the context otherwise requires:

"Corporation" means the Electricity Corporation of New Zealand;

"High Operating Ranges" are those set out in clause 5 of this notice;

"Interval" means, in relation to either of the Lakes, the number of continuous days that a Lake was below a particular range of level specified for the High Operating Ranges for that Lake;

"Lakes" means lakes Manapouri and Te Anau;

"Level" means height, in metres, above mean sea level;

"Low Operating Ranges" are those set out in clause 6 of this notice;

"Main Operating Ranges" are those set out in clause 4 of this notice;

"Maximum duration" means, in relation to any of the Lakes, the number of continuous days that a Lake may be within a particular range of level specified for the High or Low Operating Ranges, and in relation to the High Operating Ranges, subject to the specified minimum interval;

"Minimum interval" means the number of continuous days that should elapse from either of the Lakes moving below a particular range of level, until that Lake returns to within that range of level.

"Parties" means the Guardians of the Lakes and the Corporation;

"Specified ratio" means the ratio derived from dividing the minimum interval by the maximum duration, and applies only to the High Operating Ranges;

3. Lakes Management—The parties recognise three separate operating ranges of levels for each of the lakes within which the Corporation may operate, being Main, High, and Low, as set out in clauses 4, 5, and 6 of this notice.

4. The Main Operating Ranges—(1) The Main Operating Ranges, within which the Corporation shall endeavour to maintain continuous variation, are:

(a) For Lake Manapouri, levels from 176.8m to 178.6m;

and

(b) For Lake Te Anau, levels from 201.5m to 202.7m.

(2) The Corporation shall, for each of the lakes, aim to achieve annual mean levels within the applicable Main Operating Ranges as specified in this notice.

5. The High Operating Ranges—(1) The Corporation shall use its best endeavours to:

(a) Not exceed the maximum durations; and

(b) Achieve the specified ratio in relation to the ranges of level set out in subclause (2) of this clause, where the actual interval (in days) between the Lake moving below a particular range of level and returning to within that range of level is divided by the actual duration (in days) that the Lake was originally within that range of level.

(2) Subject to subclause (3) of this clause, the High Operating Ranges are:

(a) For Lake Manapouri, above 178.6m, in accordance with the following maximum durations, minimum intervals, and specified ratios for the ranges of level set out: