Summary
The Court restored APERC’s orders fixing wheeling and grid-support charges and ending earlier concessional incentives. The State reforms legislation and regulations empowered tariff determination for transmission and distribution, including changes affecting existing arrangements. Joint applications and the expert assessment of integrated-system costs and losses were upheld. The renewable-energy incentives had been reviewable rather than an unequivocal perpetual promise, and promissory estoppel did not compel their continuation.
Issues
- Whether APERC had statutory power to fix wheeling and grid-support charges despite existing agreements.
- Whether the joint applications and determination of system charges were valid.
- Whether earlier renewable-energy incentives had to continue through promissory estoppel.
Provisions considered
- Sections 11, 12 and 26, Andhra Pradesh Electricity Reforms Act, 1998The regulatory tariff powers extended to wheeling and system charges; government policy powers could not displace the statutory allocation. (¶¶ 23, 24, 26, 34, 35, 36, 38, 47, 64)
- Regulation 45-A, Andhra Pradesh Electricity Regulatory Commission (Business Rules of the Commission) Regulations, 1999, as amended in 2000The revenue and tariff framework supplied regulatory authority affecting transmission and distribution charges and existing arrangements. (¶¶ 39, 45, 46, 47)
Held
- The statutory scheme gave APERC extensive transmission and tariff powers, encompassing wheeling. Tariff fixation was legislative in character, not merely a civil-court-like adjudication. Absence of a further regulation did not defeat the statutory power; applicable regulations also existed. (¶¶ 23, 24, 25, 26, 28, 29, 34, 35, 36, 37, 38, 39, 41, 43, 44, 45, 46)
- The regulations made inroads into concluded arrangements. Existing agreements, claimed vested rights and promissory estoppel did not prevent the Commission exercising its tariff powers. Objections had been invited and affected licensees heard. (¶¶ 40, 41, 42, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
- The joint applications were justified by the integrated transmission-distribution system and licence obligations, without demonstrated prejudice. The expert assessment of charges and system losses was supported by detailed consideration and should not have been displaced on the High Court’s reasoning. (¶¶ 58, 59, 60, 61, 62)
- Grid support provided cushioning and services to parallel captive plants. The approved Grid Code and statutory framework supported the Commission’s grid-support order, which was restored on the same reasoning. (¶¶ 63, 64)
- The earlier incentives were subject to review and contained no unequivocal commitment of indefinite continuation. The applicable precedent rejected estoppel on those government orders; no fresh subsidy direction had been issued, and the State could not be commanded to grant one. (¶¶ 65, 66, 67, 68, 69, 70, 71, 72)
Result
Appeals allowed. High Court orders concerning wheeling and grid-support charges and APTEL order continuing incentives under the 1997 and 1998 government orders set aside. APERC’s orders restored. No costs.