What is the primary impact of this 8-K filing on Southern Company's (SO) revenue?

This filing relates to Georgia Power, a subsidiary of Southern Company. The approved Alternate Rate Plan (2022 ARP) allows Georgia Power to increase customer rates annually from 2023 through 2025, primarily through traditional base rate adjustments, ECCR for environmental compliance costs, and DSM initiatives. This is expected to result in significant incremental revenue for Georgia Power, contributing positively to Southern Company's overall financial performance.

How will the new rate plan affect Georgia Power's profitability and investor returns?

The 2022 ARP sets Georgia Power's retail ROE at 10.50%, with a performance range of 9.50% to 11.90%. This provides a clear target for profitability. Earnings above 11.90% ROE will be partially shared with customers, limiting the upside for the company, while there is no automatic recovery for shortfalls below 9.50% ROE. However, the company can petition for interim rate adjustments if it anticipates falling below the 9.50% threshold, offering some downside protection.

Are there any limitations on Georgia Power's ability to seek rate increases during the term of this plan?

Yes, a key aspect of the 2022 ARP is that Georgia Power will generally not file for a general base rate increase while the plan is in effect (through December 31, 2025), except for the potential use of the Interim Cost Recovery (ICR) tariff under specific conditions, or if the Georgia PSC does not approve an ICR request, Georgia Power may file a full rate case. The company is required to file a general rate case by July 1, 2025, which will determine the future of rate adjustments beyond 2025.

What are the main drivers for the approved rate increases?

The rate increases are driven by three main components: Traditional Base Rate adjustments, the Environmental Compliance Cost Recovery (ECCR) tariff which covers costs related to coal combustion residual asset retirement obligations, and the Demand Side Management (DSM) tariff for energy efficiency and demand-response programs. These are structured to recover estimated increases in operational and environmental compliance costs.

SOUTHERN CO 8-K SEC Disclosure

Summary

Southern Company's subsidiary, Georgia Power, has reached an agreement with the Georgia Public Service Commission (PSC) regarding an alternate rate plan (2022 ARP) effective January 1, 2023, through December 31, 2025. This plan outlines significant annual increases in customer rates, driven by traditional base rate adjustments, environmental compliance cost recovery (ECCR) for coal combustion residuals, and demand-side management (DSM) initiatives. The total estimated incremental revenue for Georgia Power is projected to be $215.7 million in 2023, rising to $376.5 million in 2024 and $403.3 million in 2025. Key to investor sentiment, the 2022 ARP establishes Georgia Power's retail return on equity (ROE) at 10.50%, with a performance range of 9.50% to 11.90%. Earnings above 11.90% will be subject to a 60/40 split, with 40% going to customers (via refund or regulatory asset reduction) and 20% retained by Georgia Power. Notably, there is no mechanism for recovery of earnings shortfalls below 9.50% on an actual basis, although Georgia Power can petition for an interim adjustment if it projects falling below this threshold. This rate plan, which suspends general base rate increase filings for Georgia Power during its term, provides a degree of regulatory certainty while outlining clear parameters for revenue recovery and profitability.

Key Highlights

1Georgia Power approved an Alternate Rate Plan (2022 ARP) by the Georgia PSC, effective Jan 1, 2023 - Dec 31, 2025.
2The 2022 ARP allows for annual rate increases totaling an estimated $215.7M in 2023, $376.5M in 2024, and $403.3M in 2025.
3Rate increases are attributed to traditional base rates, Environmental Compliance Cost Recovery (ECCR) for coal residuals, and Demand Side Management (DSM).
4Georgia Power's retail Return on Equity (ROE) is set at 10.50% with a performance band of 9.50% to 11.90%.
5Earnings exceeding 11.90% ROE will be shared: 40% to customers, 20% to Georgia Power.
6No recovery mechanism is provided for earnings below 9.50% ROE on an actual basis.
7Georgia Power can petition for an Interim Cost Recovery (ICR) tariff if projected retail earnings fall below 9.50%.

SOUTHERN CO 8-K Report, Corporate Update (Dec 20, 2022)

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Key Highlights

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