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Powercor Australia Ltd v Office of the Regulator-General [1998] VSC 142 (20 November 1998)

Last Updated: 3 December 1998

SUPREME COURT OF VICTORIA

CAUSES JURISDICTION

Do not Send for Reporting

Not Restricted

No. 4061 of 1997

POWERCOR AUSTRALIA LTD

Plaintiff

v

THE OFFICE OF THE REGULATOR-GENERAL

Defendant

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JUDGE:

Mandie, J.

WHERE HELD:

Melbourne

DATE OF HEARING:

5 - 6 August 1998

DATE OF JUDGMENT:

20 November 1998

MEDIA NEUTRAL CITATION:

[1998] VSC 142

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ELECTRICITY INDUSTRY - interpretation of "Pool Rules" - Electricity Industry Act 1993 (Vic) ss.154, 163 - operative date of amendment to "Pool Rules".

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APPEARANCES:

Counsel

Solicitors

For the Plaintiff

Mr B.J. Shaw QC

with Mr M. Moshinsky

Phillips Fox

For the Defendant

Mr M. Garner

Freehill Hollingdale & Page

HIS HONOUR:

  1. The Office of the Regulator-General Act 1994 ("the ORG Act") establishes a body corporate called the Office of the Regulator-General ("the Office") (s.6(1)). The Office is the defendant in this proceeding. The statutory objectives of the Office, in the performance of its functions and the exercise of its powers in relation to certain regulated industries, are the promotion of competitive market conduct, the prevention of misuse of monopoly or market power, the facilitation of entry into the relevant market and of efficiency in the regulated industry and to ensure that users and consumers benefit from competition and efficiency (s.7(1)). The electricity industry is one such regulated industry (see s.3(1) of the ORG Act and s.155 of the Electricity Industry Act 1993 ("the EI Act")).
  2. The Office is empowered to issue licences authorising a variety of activities in the electricity industry including the generation, transmission, distribution and supply and sale of electricity (see ss.159-168 of the EI Act). The plaintiff ("Powercor") is the holder of two licences authorising Powercor to sell electricity and a distribution licence authorising Powercor to distribute and supply electricity within its defined distribution area (a designated area of Victoria outside the metropolitan region), subject to various conditions set out in the licences. One condition of the licences issued to Powercor is that the licensee must comply with all applicable conditions of the "Pool Rules", defined in the licence as follows:
  3. . `Pool' means the market for wholesale trading in electricity operated and administered by Victorian Power Exchange; . `Pool Rules' means rules prepared by Victorian Power Exchange and certified by the Office relating to, among other things, the operation and administration of the Pool."

  4. In this proceeding Powercor seeks declarations that certain purported amendments made by the Office to the Pool Rules are invalid and that certain other amendments have no effect or operation prior to the date on which they were published.
  5. It is necessary to refer to the relevant facts, which were not in dispute, and the legislative provisions (as amended) which are relevant to the ultimate issues raised in order to understand the competing contentions of the parties.
  6. On 3 October 1994, the Office issued the said licences to Powercor and issued a wholesale electricity market and transmission licence to the Victorian Power Exchange ("VPX"). The VPX is a body corporate established by s. 41A of the EI Act with functions, subject to its licence, inter alia, to operate and administer the market for wholesale trading in electricity and to operate the electricity transmission system. The licence issued to VPX contains a number of relevant conditions. Clause 8.1 required VPX to cause to be formed a Pool Consultative Committee ("the PCC") consisting of 11 persons: a chairman nominated by the Board of VPX, three persons nominated to represent the "generators" which supply electricity to the Pool, a person nominated to represent the "distributors", three persons nominated to represent "Pool customers", two of whom must be nominated to represent "retailers", a person nominated to represent the holders of a transmission licence, the "Pool Manager" and the "Manager System Security". Clause 8.3 provided that "the [PCC] must prepare and submit to the Office procedures governing the operation of the [PCC] but the procedures do not become effective until the Office notifies the [PCC] in writing that they have been approved." Clause 10.1 required VPX to comply with the applicable provisions of the Pool Rules and cl. 9.1 of the licence provided that the Office might amend the Pool Rules "under section 163(6)(a) of the [EI] Act in accordance with procedures specified by the Office". Clause 9.2 provided that the PCC might exercise such powers to amend the Pool Rules as were delegated to it by the Office in accordance with the terms of the delegation.
  7. Section 154 of the EI Act itself defines "pool rules" to mean "the rules relating to the operation of the market for wholesale trading in electricity operated and administered by VPX". Section 163(3)(c) of the EI Act empowers the Office to include in the conditions of a licence provisions "requiring the licensee to observe... specified pool rules with such modifications or exemptions as may be determined by the Office". Further, s. 163(6) and (7) of the EI Act (as amended) provides, as to amendment of the Pool Rules, that:
  8. "(6) If a licence is subject to conditions of a kind referred to in sub-section (3)(c), the Office - (a) may, in accordance with procedures specified by the Office, amend the specified industry codes or specified pool rules, or a document referred to in such a code or rule, for the purposes of their application under the licence; ... (7) If the Office amends an industry code or the pool rules or a document referred to in a code or the rules under sub-section (6), the Office may at the same time, in accordance with procedures specified by the Office, amend that code or those rules or that document for the purposes of their application otherwise than under the licence."

  9. It was common ground that the Pool Rules had come into force as envisaged by the legislation and the licences and that, in July 1995, the Pool Rules as amended provided that a "Pool Customer" (which included a retailer such as Powercor) was liable to pay in respect of electricity received by it in each "Settlement Period" (30 minutes) an amount calculated by applying the formula set out in rule 160.1. A concept used in relation to two of the relevant factors in the prescribed formula was "Pool Customer Settlement Demand".
  10. Rule 160.9(a) of the Pool Rules provided that Pool Customer Settlement Demand for a Primary Pool Customer (which included Powercor) would be determined by:
  11. ". the sum of the Wholesale Metered Energy plus allocated Transmission Losses, . plus the sum of Adjusted Gross Energy for all Second Tier Customers purchasing energy from the Primary Pool Customer, . minus the sum of Adjusted Gross Energy for Non-Franchise Customers whose energy is provided through the Pool Customer Grid Connection Point, but who are purchasing energy from another Retailer or are Pool Customers."

  12. In turn, "Adjusted Gross Energy" was defined in rule 10.1 of the Pool Rules in relation to Second Tier Customers and Non-Franchise Customers (as defined) to mean the energy calculated in accordance with rule 160.10 which provided as follows:
  13. "The Adjusted Gross Energy for a Non-Franchise Customer who is a Second Tier Customer or Distribution Level Pool Customer will be calculated as: . Non-Franchise Customer Metered Energy multiplied by [1+((the Distribution Loss Factor, as listed in Schedule 13 for the Distribution Network in which the customer is embedded) divided by 100)], . plus allocated Transmission Losses based on the Transmission Loss Factor for the Distribution Network in which the customer is embedded."

  14. For the purpose of this proceeding it is sufficient to note that, under rule 160.10, in order to calculate "Adjusted Gross Energy", it was necessary to multiply the "Non-Franchise Customer Metered Energy" by "[1+((the Distribution Loss Factor, as listed in Schedule 13...) divided by 100)]." The Distribution Loss Factors ("DLFs") are central to the dispute in this proceeding. Rule 80(c) and (d) of the Pool Rules provided:
  15. "(c) VPX must, in respect of each Settlement Period, allocate distribution losses to non-franchise customers who become Second Tier Customers or Pool Participants connected to Distribution Networks, by applying the relevant Distribution Loss Factor listed in Schedule 13. (d) Distribution Loss Factors for 1995 must be finalised by 30 June 1995 and will apply from 1 July of that year. Distributors must perform an annual review of the Distribution Loss Factors for their businesses and issue a revised set for discussion by 31 January each year. These must be submitted to the Pool Consultative Committee by the 31 March for approval and take effect from 1 July of that year."

  16. Schedule 13 read as follows:
  17. "SCHEDULE 13
    DISTRIBUTION LOSS FACTORS
    Distributor
    Cumulative Distribution Loss Factor [as a percentage of metered energy]

    DLF A
    DLF B
    DLF C
    DLF D
    CitiPower
    0.41%
    1.32%
    1.81%
    4.15%
    Eastern Energy
    2.36%
    2.96%
    5.30%
    7.67%
    Powercor
    1.76%
    2.36%
    4.53%
    7.27%
    Solaris
    0.53%
    1.18%
    1.99%
    4.14%
    United Energy
    0.71%
    1.40%
    2.86%
    4.92%
    DLF A is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant connected to a 66kV line. DLF B is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant connected to the lower voltage side of a zone substation. DLF C is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant connected to a distribution line at voltages of 22kV, 11kV or 6.6kV. DLF D is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant connected to the lower voltage terminals of a distribution transformer."

  18. Thus, it can be seen that the determination of Pool Customer Settlement Demand required the calculation of "Adjusted Gross Energy" which in turn necessitated both the application of a Distribution Loss Factor under Rule 80(c) and Schedule 13 and the use of the formula set out in Rule 160.10.
  19. It is further to be noted that Rule 80(d) of the Pool Rules required Distributors to perform an annual review of the DLFs for their businesses and to issue a revised set for discussion by 31 January each year. The rule required that those revised DLFs must be submitted to the PCC by 31 March for approval and take effect from 1 July of that year.
  20. At its first meeting in December 1994, the PCC had commenced the consideration of draft operating procedures as envisaged by cl. 8.3 of the VPX licence. Various drafts of proposed operating procedures were thereafter considered. At its fourth meeting on 20 February 1995, the PCC adopted draft 6 of the operating procedures dated 17 February 1995 with minor amendments. Clause 5 of the adopted draft provided:
  21. 5.1 Decisions A decision of the PCC requires the approval of at least 9 Members 5.2 Recommendation If less than 9 Members but 6 or more Members approve a proposed amendment to the System Code, Wholesale Metering Code or the Pool Rules, then the Committee Chairman must forward details of the proposed amendment and the positions of the PCC members to the Office requesting the Office to consider making the relevant amendment under clause 8 of the Wholesale Electricity Market Licence."

  22. It appears that these draft operating procedures were never submitted to the Office for its approval. In any event, it was common ground that the Office never approved them in writing or otherwise. However, the PCC apparently conducted its proceedings in accordance with them.
  23. On or about 26 October 1995 VPX issued a draft paper entitled "Determination of Distribution Loss Factors". The paper referred to relevant technical issues and a methodology for data collection and analysis. I would infer that this was received and considered by the "Distribution Losses Working Group" which was convened by VPX and comprised of representatives of each distributor. In any event, those representatives collected data concerning each of their networks, processed the information according to a specified methodology and provided the information to VPX for consolidation. This review of DLFs, as envisaged by the Pool Rules, culminated in the production of a further document in May 1996 to which I refer below.
  24. In the meantime, by instrument of delegation dated 22 March 1996 the Office delegated to "the members from time to time" of the PCC the power of the Office to amend, inter alia, the Pool Rules. The delegation was made subject to a number of conditions including a requirement that in amending the rules the PCC comply with operating procedures approved by the Office in accordance with the VPX licence - a condition which the PCC was not in a position to fulfil at any relevant time. Then, on 3 May 1996, the Office amended the Pool Rules.
  25. Rule 80(c) and (d) of the Pool Rules were amended as follows:
  26. "(c) VPX must, in respect of each Settlement Period, allocate distribution losses to each: (1) Non-Franchise Customers who become Second Tier Customers, and (2) or Pool Participants connected to Distribution Networks Distribution Level Pool Customer, by applying the relevant Distribution Loss Factor listed in Schedule 13. (d) Distribution Loss Factors for 1995 must be finalised by 30 June 1995 and will apply from 1 July of that year. Distributors must perform an annual review of the Distribution Loss Factors for their businesses and issue a revised set for discussion by 31 January each year. These must be submitted to the Pool Consultative Committee by the 31 March for approval and take effect from 1 July of that year."

  27. Rule 160.9 of the Pool Rules in relation to Pool Customer Settlement Demand was amended but not in ways which removed the significance of "Adjusted Gross Energy" and Rule 160.10 was amended as follows:
  28. "The Adjusted Gross Energy for a Non-Franchise Customer who is a Second Tier Customer or Distribution Level Pool Customer will be calculated as: (a) Non-Franchise Customer Metered Energy multiplied by [1+((-the Distribution Loss Factor, as listed in Schedule 13 for the Distribution Network in which the customer is embedded) divided by 100)], (b) plus allocated Transmission Losses calculated in accordance with rule 80 and based on: (1) the Transmission Loss Factor for the Distribution Network in which the customer is embedded, and (2) the Non-Franchise Customer's Metered Energy adjusted in accordance with rule 160.10(a)."

  29. The table in Schedule 13 was itself amended as follows:
  30. Distributor
    Cumulative Distribution Loss Factor

    DLF A
    DLF B
    DLF C
    DLF D
    CitiPower
    0.41% 0.0041
    1.32% 0.0132
    1.81% 0.0181
    4.15% 0.0415
    Eastern Energy
    2.36% 0.0236
    2.96% 0.0296
    5.30% 0.0530
    7.67% 0.0767
    Powercor
    1.76% 0.0176
    2.36% 0.0236
    4.53% 0.0453
    7.27% 0.0727
    Solaris
    0.53% 0.0053
    1.18% 0.0118
    1.99% 0.0199
    4.14% 0.0414
    United Energy
    0.71% 0.0071
    1.40% 0.0140
    2.86% 0.0286
    4.92% 0.0492

  31. It can be seen that the words "divided by 100" were deleted from the formula in Rule 160.10 but the same result was maintained by altering all of the DLFs in Schedule 13 to reflect that part of the calculation (by dividing all of the DLFs by 100).
  32. Returning to the review of the DLFs, a report dated 16 May 1996 entitled "Review of Distribution Loss Factors" was issued by VPX and forwarded to the PCC. At meeting number 37 of the PCC held on 3 June 1996 the report was the subject of considerable discussion and certain matters affecting DLFs and arising from the report were agreed in principle. However, no revised DLFs were approved at the meeting.
  33. On 24 June 1996, at meeting number 39 of the PCC, a "Notice of Proposed Amendment - Vic Pool Rules" was tabled. Mr Thorpe, an executive of VPC and the Secretary of the PCC, advised the meeting that this proposed rule change would "put into effect the agreement formally reached by the PCC at meeting 37". Concern was expressed at the meeting that the committee "was expected to decide on this issue so late in the day, leaving little time for consideration before the revised DLFs were required to take effect under the current rules."
  34. This proposed amendment to the Pool Rules involved changes to rule 160.10(a) and to Schedule 13. The proposed amendment to rule 160.10(a) was to delete "1+" from the formula for calculation of Adjusted Gross Energy. The proposed substituted Schedule 13 was to be as follows:
  35. "

    DLF A
    DLF B
    DLF C
    DFL D
    CitiPower

    1.0030
    1.0101
    1.0148
    1.0374
    Eastern Energy
    short subt - short hvl - long hvl long subt - short hvl - long hvl
    1.0049 1.0049 1.0340 1.0340
    1.0119 1.0119 1.0410 1.0410
    1.0223 1.0559 1.0514 1.0850
    1.0444 1.0780 1.0735 1.1071
    Powercor
    short subt - short hvl - long hvl long subt - short hvl - long hvl
    1.0047 1.0047 1.0221 1.0221
    1.0113 1.0113 1.0287 1.0287
    1.0218 1.0639 1.0392 1.0813
    1.0406 1.0827 1.0580 1.1001
    Solaris
    short subt long subt
    1.0038 1.0216
    1.0103 1.0281
    1.0239 1.0417
    1.0378 1.0556
    United Energy
    short subt long subt
    1.00551 1.0254
    1.0126 1.0325
    1.0223 1.0422
    1.0389 1.0588
    Table 1 DLFs for short and long subtransmission and high voltage distribution lines DLF A is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant Customer connected to either a 66kV line or 22kV subtransmission line. DLF B is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant Customer connected to the lower voltage side of a zone substation. DLF C is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant Customer connected to the distribution line at voltages of 22kV, 11kV or 6.6kV. DLF D is the Distribution Loss Factor to be applied to a Second Tier Customer or Pool Participant Customer connected to the lower voltage terminals of a distribution transformer."

  36. It can be seen that the DLFs are proposed to be changed and that the removal of "1+" from rule 160.10(a) is matched by adding "1" to each of the revised DLFs in Schedule 13.
  37. The PCC voted, at meeting number 39, on acceptance of the proposed rule changes: eight for; one against; one abstention. The committee decided that as the vote did not achieve a minimum nine votes in favour necessary to record PCC acceptance, the proposal would be forwarded to the Office for further consideration. The Secretary was directed to forward the proposed rule changes to the Office for further consideration.
  38. By letter dated 27 June 1996, the Chairman of the PCC advised the Office that the PCC had voted (in the manner referred to above) on these proposed amendments to the Pool Rules (which he attached to the letter). The letter continued that "Under the PCC's operating procedures at least nine members must be in favour for acceptance to be carried. A vote of six, seven or eight requires the PCC to forward amendment to your office for further consideration... On behalf of the PCC I forward this amendment to your office for consideration."
  39. The Office then undertook a lengthy process of consultation, analysis and review with respect to the proposed amendment. This process included much correspondence, and conference with distributors' representatives. This process extended from June 1996 to October 1996.
  40. On 28 October 1996 the Office purported to determine that the Pool Rules should be amended ("the October determination"). Notices of this "determination" were published in the Victoria Government Gazette on 1 November 1996 and "the Age" on 30 October 1996. The determination itself was an instrument under seal of the Office providing for amendments set out in an attached document and that "the effective date of the amendment be 1 July 1996". The attached amendments were identical or substantially identical to those which had been forwarded by the PCC in June 1996.
  41. This proceeding was commenced by Powercor by originating motion dated 13 January 1997 seeking an order quashing the October determination on the grounds that the Office had no power to specify 1 July 1996 as the date from which the determination took effect and on procedural and other grounds.
  42. On 24 February 1997 the Office determined to revoke the October determination stating that:
  43. "The purpose for making this determination is to revoke the determination (if it be one) that is recorded in Annexure A. The reason for making this determination is that doubts exist about the validity and effect of the determination recorded in Annexure A and the Office of the Regulator-General intends to specify and implement further procedures pursuant to section 163(6)(a) of the Electricity Industry Act 1993 to amend the pool rules known as the VicPool Rules."

  44. It was common ground that the October determination is now inoperative (whether invalid or revoked). It is thus unnecessary to decide its validity.
  45. However, further steps were taken by the Office. On the same day as the revocation of the October determination, the Office specified procedures, pursuant to s.163(6) of the EI Act, to be followed in order to amend the Pool Rules. This was done by an instrument specifying procedures which were expressed to apply only to the making of an amendment in the form annexed. The procedures specified were that the annexed amendments ("the February amendments") should be made by sealing a document setting out the amendments and publishing notice of their making in the Government Gazette and a daily newspaper. The February amendments were again in the same form as covered by the October determination and forwarded by the PCC. On the same day, 24 February 1997, the amendments were made and notice was subsequently given, in the manner specified, by gazettal on 28 February and publication in "The Age" on 1 March 1997. No commencement date for the amendments was stated in them or in the document containing them. However, in the replacement page provided by the Office to VPX, what might be described as annotations were inserted stating that "By reason of Rule 80(d) of these Rules" amended Rule 160(10)(a) and amended Schedule 13 each "has effect from 1 July 1996". This was also asserted in a letter from the Office to VPX dated 5 March 1997. Powercor amended its grounds for relief and subsequently a statement of claim was filed seeking, inter alia, a declaration that the February amendments "did not operate from 1 July 1996 or from any date prior to 1 March 1997".
  46. In support of its claim for a declaration to that effect, Powercor submitted that:
  47. (i) as the February amendments did not have a commencement date, it should be presumed that they did not have retrospective operation (citing Maxwell v. Murphy [1957] HCA 7; (1957) 96 C.L.R. 261, 267; Fisher v. Hebburn Ltd [1960] HCA 80; (1960) 105 C.L.R. 188, 194; Rodway v. The Queen [1990] HCA 19; (1990) 169 C.L.R. 515, 518);

    (ii) Section 163(6)(a) of the EI Act did not authorise the Office to amend the Pool Rules retrospectively because the effect of a retrospective change might put it in breach of its licence conditions (citing Broadcasting Co of Australia Pty Ltd v. Commonwealth [1935] HCA 3; (1935) 52 C.L.R. 52, 60; Charlton v. Members of Teachers Tribunal [1981] VicRp 79; [1981] V.R. 831 840;

    (iii) the amendments constituted a "determination" within the meaning of s.27 of the ORG Act and therefore took effect from the date of gazettal as provided by s.27(3) of the ORG Act;

    (iv) Rule 80(d) did not have the effect of making the amendments retrospective to 1 July 1996.

  48. Mr Garner, who appeared as Counsel for the Office, submitted that there was an important threshold question, namely: "whether the PCC validly approved the Revised Distribution Loss Factors at its meeting on 24 June 1996", and that, if it did, Powercor's claim must fail. He contended that, at its meeting on 24 June 1996, the PCC voted to accept revised DLFs with the intention that they take effect from 1 July 1996.
  49. He submitted that, because the PCC had no approved operating procedures in place, the common law position applied and that the resolution was therefore effectively passed by a majority of votes on 24 July 1996. He submitted that, at its meeting on 24 June 1996, eight members of the PCC intended to approve the revised DLFs and voted to do so. Thus, Mr Garner's primary submission was that on 24 June 1996 the PCC had approved revised DLFs within the meaning of Rule 80(d) of the Pool Rules. He submitted that although the PCC believed "that it had not effected a valid approval of the revised [DLFs]", as a matter of law it had.
  50. In my opinion, the minutes show that the PCC proceeded at its meeting on 24 June 1996 not to approve or disapprove revised DLFs but to consider and vote upon amendments to the Pool Rules. It is true that those amendments, if put into force, would have had the result of changing the DLFs but that would have been the consequence of the amendments. It was the amendments which were considered and voted upon and the amendments which were forwarded to the Office for further consideration.
  51. There is another reason supporting the conclusion that the PCC was not approving revised DLFs at meeting number 39 but seeking to amend the Pool Rule and that is: the change to the DLFs in proposed replacement schedule 13 was not self-contained. It depended for its correct operation upon a complementary amendment to Rule 160.10(a) of the Pool Rules deleting "1+" from the formula - a small but vital amendment having regard to the changes proposed to Schedule 13.
  52. I therefore do not accept the submission that the PCC approved revised DLFs.
  53. Mr Garner submitted in the alternative that, if the so-called threshold question was determined against the Office, the Office had subsequently approved revised DLFs as manifested by the February amendments. I also reject that submission. In my view, it fails in limine because Rule 80(d) makes no provision for the Office to approve revised DLFs. That is a matter for the PCC. When Rule 80(d) provides that the revised set of DLFs must be submitted to the PCC "for approval" the plain meaning is "for approval by the PCC" and there is no good reason to adopt any other construction. If the Office wishes to change the DLFs it must do so, so far as presently relevant, by amending the Pool Rules. That is what it did by the February amendments.
  54. Mr Garner next submitted, on a proper construction of Rules 80(c) and (d) of the Pool Rules, that the revised DLFs, once approved, took effect from 1 July 1996 whether or not the approval was given before or after that date. It is unnecessary to decide that question of construction because there was no evidence that the PCC ever approved revised DLFs and, as I have said, I do not consider that the Office had the power to approve revised DLFs under Rule 80(d) or that it purported to do so. Accordingly, the unrevised DLFs set out in Schedule 13 of the Pool Rules continued to apply for relevant purposes until the Pool Rules were amended by the Office in the February amendments. Those amendments did not purport to have retrospective operation.
  55. The parties agreed that the February amendments at the very least were effective from 1 March 1997. In the light of that agreement, it is unnecessary to consider Powercor's submission that the February amendments constituted a "determination" within the meaning of the ORG Act and therefore took effect from the date of gazettal as provided by s.27(3) of the ORG Act. I say that not because there was no dispute about the date from which the amendments took effect but because, if the amendments constituted a "determination", they were clearly invalid for non-compliance with the requirements of s.27(1) of the ORG Act which requires a determination to include a statement of the purpose and reasons for the making of the determination. I would add that I do not think that an amendment to the Pool Rules is a determination within the meaning of s.3(1) of the ORG Act but it is unnecessary to decide the question.
  56. For the reasons which I have endeavoured to state, the Office has failed to persuade me of the correctness of any of its submissions in support of the proposition that the February amendments or the revised DLFs had any operative effect prior to 1 March 1997. I am therefore left with the prima facie position, as put by Powercor, undisturbed. The February amendments took effect from 1 March 1997 and all contentions of the Office to the contrary are rejected.
  57. Orders

    1. Declare that the amendments to the Pool Rules made by the document sealed by the defendant on 24 February 1997 did not operate from any date prior to 1 March 1997.

    2. Counterclaim dismissed.

    3. Order that the defendant pay the plaintiff's costs including reserved costs.

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