Fuel surcharge regulation upheld where tariff statutes permit adjustment for increased electricity costs and differential treatment in pricing.

A regulatory commission may validly frame a fuel surcharge formula where the electricity statutes empower tariff regulation and preserve fuel surcharge adjustments. The court upheld Regulation 45-B as consistent with tariff principles, consumer interest, commercial norms, and recovery of electricity costs, treating the surcharge as a lawful mechanism for increased generation and purchase expenses rather than a narrow fuel-only levy. Exclusion of agricultural consumption from the fuel surcharge computation was also upheld because agriculturists were not similarly placed and differential tariff treatment was permissible; the metering challenge failed since the statute did not bar continuation of the arrangement until agricultural metering was completed. Challenges to past cost variation, subsidy, saving clauses, and procedure were likewise rejected.

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Issues: (i) Whether Regulation 45-B governing fuel surcharge adjustment was ultra vires the governing electricity statutes; (ii) whether exclusion of agricultural consumption from the FSA computation was discriminatory or contrary to the metering provisions; (iii) whether the provisions relating to past cost variation, subsidy, continuance of earlier regulations, and the procedure for framing the regulations were invalid.

Issue (i): Whether Regulation 45-B governing fuel surcharge adjustment was ultra vires the governing electricity statutes.

Analysis: Fuel surcharge was not defined in the governing enactments, and the Commission was empowered to prescribe tariff conditions and a fuel surcharge formula by regulation. The statutory scheme under the Andhra Pradesh Electricity Reform Act, 1998 and the Electricity Act, 2003 permitted amendment of tariff only within the limits expressly preserved for fuel surcharge formulae. The formula in Regulation 45-B was held to be consistent with the statutory principles governing tariff fixation, consumer interest, commercial principles, and recovery of the cost of electricity in a reasonable manner. The levy was treated as a surcharge to meet increased cost of generation and purchase of electricity, not as a narrow charge confined only to fuel in the literal sense.

Conclusion: Regulation 45-B was held to be intra vires and valid.

Issue (ii): Whether exclusion of agricultural consumption from the FSA computation was discriminatory or contrary to the metering provisions.

Analysis: The Court held that consumers and agriculturists were not similarly placed and that differential treatment in tariff matters was permissible on the basis of load factor, power factor, consumption pattern, paying capacity, and cross-subsidisation. The exclusion of agricultural consumption was also upheld as a permissible protective measure in the existing regulatory context. On metering, section 55(1) was construed as not disabling the Commission from continuing the arrangement until agricultural metering was actually completed, and the clause was not held repugnant to the statute.

Conclusion: The challenge based on discrimination and metering was rejected.

Issue (iii): Whether the provisions relating to past cost variation, subsidy, continuance of earlier regulations, and the procedure for framing the regulations were invalid.

Analysis: The component relating to variation in cost over a past period was treated as part of the mechanism for arriving at the real value of the surcharge and not as an impermissible levy. The subsidy argument failed because the dispute concerned fuel surcharge computation and not a subsidy scheme under section 65. The earlier tariff regulations were held to have continued through the saving and transitory provisions, and the objection regarding absence of previous publication was found factually incorrect because a draft had been published and comments were invited. The later tariff regulations of 2005 were also held not to displace the fuel surcharge formula, which was separately saved and continued in operation.

Conclusion: These additional challenges were rejected.

Final Conclusion: The overall challenge to the fuel surcharge formula and its application failed, and the surcharge mechanism was upheld as a lawful component of tariff regulation.

Ratio Decidendi: Where the statute authorises tariff regulation and expressly preserves changes under a fuel surcharge formula, the regulatory commission may frame a surcharge formula that accounts for increased generation and purchase costs and allied relevant factors, and such a formula will not be struck down merely because it extends beyond a narrow literal notion of fuel cost.

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