Christopher Forsythe
Analyst · Goldman Sachs
Thank you, Dan, and good morning, everyone. We appreciate your interest in Atmos Energy and are happy that you can join us this morning.
Yesterday, we reported fiscal 2020 diluted earnings per share of $4.89, compared to diluted earnings per share of $4.35 reported in the prior year. As a reminder, our fiscal 2020 results included a onetime noncash income tax benefit, $21 million or $0.17 per diluted share that we recognized during the third fiscal quarter related to a legislative change in Kansas that reduced our state deferred tax rate. Excluding this nonrecurring benefit, diluted earnings per share for fiscal 2020 was $4.72. This represents the 18th consecutive year of rising earnings per share.
In summarizing the year, the pandemic began to impact the economies of the states we serve at the end of our winter heating season. By that time, we had earned 70% of our distribution revenue for fiscal '20. Given the economic uncertainty at that time, we were conservative about the anticipated nonresidential load loss for the third and fourth quarter. And we plan to reduce O&M activities during the third and fourth quarters to keep our employees healthy and to align spending with anticipated revenues.
Our residential load loss during the last 6 months in the fiscal year was less severe than we had originally anticipated. And we maintained our O&M spending in the back half of the fiscal year in line with the revised guidance we issued after our second fiscal quarter. As a result, our fiscal 2020 EPS came in at the higher end of our earnings guidance range of $4.58 to $4.73.
Taking a closer look, consolidated operating income rose over 10% to $824 million. Slides 5 and 6 provide details of the year-over-year changes to operating income for each of our segments. I will touch on a few of the fiscal year highlights.
Rate increases in both of our operating segments, driven by increased safety and reliability capital spending totaled $140 million. We also experienced a $14 million increase in distribution operating income, primarily due to customer growth in our Mid-Tex division. During the 12 months ended September 30, our Mid-Tex division experienced net customer growth of 1.5%. On a consolidated basis, we experienced net customer growth of 1.2% over the same period.
We did experience a $6 million reduction in operating income, primarily due to a 13% decline in commercial consumption in our Distribution segment during the last 6 months of the year. We also experienced a $6 million decline in service order revenue, primarily due to the suspension of collection activities since March of this year.
In our Pipeline and Storage segment, we experienced a net $14 million decrease through system revenue. Volumes declined 17% and prices declined 13% due to reduced associated gas production in the Permian Basin. Consolidated O&M expense for fiscal 2020 was flat compared to 2019, in line with our expectations. O&M in our Distribution segment was about $8 million lower than the prior year, reflecting lower employee, travel and training costs, partially offset by an increase in bad debt expense.
Lower spending in our Distribution segment was offset by higher spending for system maintenance activities in our Pipeline and Storage segment, most of which was completed during the first half of the fiscal year. Consolidated capital spending increased 14% to $1.94 billion, with 88% of our spending directed towards investments to modernize the safety, reliability and environmental performance of our system. With this spending, our team replaced approximately 845 miles in distribution and transmission pipe and 55,000 service lines across the 8 states in which we operate.
In fiscal 2020, over 90% of our capital spending began to earn a return within 6 months of the test period end. We accomplished this by implementing $160 million in annualized operating income increases. And since the end of the fiscal year, we reached agreement with our regulators to implement an additional $106 million of annualized operating income during our fiscal 2021 first quarter.
As of today, we have 3 filings pending seeking about $12.5 million. Slides 30 to 42 summarize our regulatory activities. During fiscal 2020, we successfully executed our long-term financing strategy while maintaining the strength of our balance sheet and further enhancing our liquidity position. We completed over $1.6 billion of long-term debt and equity financing. We fully satisfied our fiscal '20 equity needs through our ATM equity sales program. Under the program, we issued 4.8 million shares under forward agreements for $523 million and settled 6.1 million shares for net proceeds of $624 million.
As of September 30, we had about $345 million remaining under equity forward arrangements. This equity financing complemented the $800 million in long-term debt financing we issued last fall and the $200 million term loan we executed in April. As a result of these financing activities, our equity capitalization was 60% as of September 30. Additionally, due in part of the additional -- addition of $700 million of new credit facility capacity, we finished the fiscal year with approximately $2.6 billion of liquidity, including cash held in escrow under equity forward arrangements. The strength of our balance sheet and liquidity leaves us well positioned as we move into fiscal 2021. Details of our financing activities, including our equity forward arrangements as well as our financial profile can be found on Slides 9 through 12.
Looking forward, fiscal '21 will represent the tenth year of executing our operating plan to modernize our distribution, transmission and storage systems. The fundamentals of our operating plan remain the same. Yesterday, we initiated our fiscal '21 earnings per share guidance in the range of $4.90 to $5.10. Consistent with prior years, we expect about 2/3 of our earnings will come from our distribution segment. Over the next 5 years, we anticipate earnings per share will grow 6% to 8% per year. By fiscal '25, we anticipate earnings per share to be in the range of $6.30 to $6.70.
From a revenue perspective, we have assumed no material changes to our residential revenue as a result of COVID-19. However, we continue to remain cautious about our nonresidential revenue due to the continued economic uncertainty and the fact that we are now heading into the winter heating season. Although it is difficult to precisely estimate the potential load loss that we might experience, we performed multiple sensitivity scenarios as we considered our fiscal '21 earnings per share guidance.
Slide 18 summarizes our key Distribution segment revenue attributes and provides EPS sensitivities for the full fiscal year for each 1% change in sales volumes by customer class. And as you're aware, the performance of our Pipeline and Storage segment is predominantly driven by APT. As a reminder, over 80% of APT's revenues are earned from delivery services to LDCs, including our Mid-Tex division, under a straight fixed variable rate design. The remainder of APT's revenues relates to a 3-system business and other ancillary pipeline services.
APT only keeps 25% of the difference between actual revenues earned from these activities and the approved $69 million benchmark in its straight design. Our fiscal '21 guidance reflects current market conditions for the small portion of APT's business.
From an O&M perspective, we have assumed that we'll execute our normal O&M program as we continue to focus on compliance-based activities that address system safety. These activities include enhanced leak surveys, pipeline integrity work, work to address PHMSA's new integrity management rules that became effective July 1, 2020, and continued record establishment and retention.
Similar to fiscal '20, we do have some flexibility around the timing of this O&M spending, which could help us align spending with potential changes to revenue. As we continue to focus on safely operating our system, we continue to assume O&M inflation of 3% to 3.5% annually through fiscal '25. Additional details can be found on Slides 16 and 17.
Fiscal '21 capital spending is expected to rise about 7.5% and is expected to range from $2 billion to $2.2 billion. Approximately 85% of the spending will be dedicated to safety and reliability spending, which will also reduce methane emissions from our system. Approximately 73% of the spending will be allocated to our Distribution segment. Over 90% of our consolidated capital spending is expected to begin earning a return within 6 months of the test period end.
Continued spending, persistent replacement and modernization will be the primary driver for the anticipated increase in capital spending, net income and earnings per share through fiscal '25. As you can see on Slide 21, we anticipate capital spending to increase about 7% to 8% per year off of fiscal 2020 spend levels for a total of $11 billion to $12 billion over the next 5 years. This should support rate base growth of about 12% to 14% per year. This translates into an estimated rate base of $19 billion to $20 billion in fiscal '25, up from about $11 billion at the end of fiscal 2020, as you can see on Slide 22.
Annual filing mechanisms will be the primary means through which we recover our capital spending. These mechanisms enable us to more efficiently deploy capital and generate the returns necessary to attract the capital we need to finance our investments. And these mechanisms produce a smaller impact to customer bills while providing the regular rate adjustments that support our ongoing system modernization efforts. We have assumed no material changes to these mechanisms through fiscal '25.
In fiscal 2021, we anticipate completing filings from $195 million to $215 million in annualized regulatory outcomes that will impact fiscal years 2021 and 2022.
Moving to Slide 24. In light of our financial performance of fiscal 2020, yesterday Atmos Energy's Board of Directors approved a 148th consecutive quarterly cash dividend. The indicated dividend for fiscal 2021 is $2.50, an 8.7% increase over fiscal 2020. We continue to expect dividends per share to grow in line with earnings per share over the next 5 years. And we will continue to target a payout ratio of approximately 50% as it strikes the right balance between using funds to invest in the modernization of our system and providing a reasonable return to our shareholders who support our operating plans with their investments.
This 5-year plan also continues the financing strategy that we've been executing over the last few years. It balances the interest of our customers and our investors while preserving strong credit metrics that minimize the cost of financing. Based upon our spending assumptions, we anticipate the need to raise between $6.5 billion and $7.5 billion in incremental long-term financing over the next 5 years. The strength of our balance sheet enables us to continue to use a prudent mix of long-term debt and equity in order to maintain a balanced capital structure, with the targeted equity to total capitalization ratio ranging from 50% to 60%, inclusive of short-term debt. This strategy is summarized on Slide 25. And consistent with prior year plans, our financing plan has fully reflected in our earnings per share guidance through fiscal 2025.
In October, we completed a $600 million 10-year senior note issuance with a coupon of 1.5%. As a result, our overall weighted average cost of debt, as of October 1, 2020, stands at 3.94%. And our debt profile remains very manageable with a weighted average maturity of 19 years.
From an equity perspective, the equity forwards we executed during fiscal '20 will set us a significant portion of our expected equity needs for fiscal '21. We expect to raise the remaining equity needs for fiscal '21 through our ATM program.
To recap, the execution of this plan to modernize our system through disciplined capital spending, timely recovery of those investments through our various regulatory mechanisms and balanced long-term financing all support our ability to grow earnings per share and dividends at 6% to 8% annually through fiscal 2025. And as you can see on Slide 26, the execution of this plan will also keep customer bills affordable, which will help us sustain this plan for the long-term.
Thank you for your time this morning. I will now turn the call over to Kevin for his remarks. Kevin?