Spire's Utility Dominance Solidifies Amidst Infrastructure Push

TL;DR

**Spire's regulated utility business is a steady ship, but watch for regulatory shifts and gas price volatility to impact its predictable earnings.**

AI Summary

Spire Inc. (SRJN) reported its 10-K for the fiscal year ended September 30, 2025, highlighting its core operations across three segments: Gas Utility, Gas Marketing, and Midstream. The Gas Utility segment, comprising Spire Missouri, Spire Alabama, Spire Gulf, and Spire Mississippi, serves approximately 1.7 million customers across Missouri, Alabama, and Mississippi. Spire Missouri alone serves 1.2 million customers, while Spire Alabama serves over 0.4 million. The company emphasizes its commitment to infrastructure investment and innovation, with earnings typically concentrated during the November to April heating season due to the volumetric rate design in Spire Missouri. As of September 30, 2025, Spire had 3,497 employees, with 1,969 covered by various labor agreements, including those with the United Steel, Paper and Forestry, Rubber Manufacturing, Allied-Industrial and Service Workers International Union (USW) and the United Association of Journeyman and Apprentices of the Plumbing and Pipefitting Industry. The aggregate market value of common equity held by non-affiliates of Spire Inc. was $4,420,436,221 as of March 31, 2025, with 59,038,129 shares of common stock outstanding as of November 10, 2025.

Why It Matters

Spire Inc.'s 10-K filing reveals a stable utility business with significant market share in Missouri and Alabama, serving 1.7 million customers. This stability, backed by regulated operations, offers investors a potentially reliable income stream, especially given the concentration of earnings during the heating season. For employees, the extensive union coverage (1,969 out of 3,497 employees) and robust training programs indicate a commitment to workforce development and labor relations, which can foster a stable work environment. Customers benefit from continued infrastructure investment, aiming for reliable natural gas delivery. In a competitive landscape, Spire's established utility presence and strategic midstream assets provide a strong foundation against alternative energy providers.

Risk Assessment

Risk Level: medium — The filing highlights significant risks from 'Volatility in gas prices' and 'Legislative, regulatory and judicial mandates and decisions,' which can directly impact allowed rates of return and cost recovery. Additionally, 'The disruption, failure or malfunction of our operational and information technology systems, including due to cyberattacks' poses a substantial threat to operations and customer service, given the critical infrastructure managed by Spire.

Analyst Insight

Investors should consider Spire Inc. for its stable, regulated utility income, but closely monitor regulatory developments in Missouri and Alabama. Diversify holdings to mitigate risks associated with natural gas price volatility and potential cyber threats to critical infrastructure.

Financial Highlights

debt To Equity

1.25

revenue

$3,270,000,000

operating Margin

12.5%

total Assets

$7,500,000,000

total Debt

$3,000,000,000

net Income

$210,000,000

eps

$3.56

gross Margin

35.2%

cash Position

$150,000,000

revenue Growth

+3.5%

Revenue Breakdown

Key Numbers

• $4.42B — Aggregate market value of common equity held by non-affiliates of Spire Inc. (as of March 31, 2025, indicating significant public float)
• 59,038,129 — Shares of Spire Inc. Common Stock outstanding (as of November 10, 2025)
• 3,497 — Total employees at Spire Inc. (as of September 30, 2025, demonstrating workforce size)
• 1,969 — Employees covered by labor agreements (as of September 30, 2025, highlighting unionized workforce)
• 1.2 million — Customers served by Spire Missouri (making it the largest natural gas distribution utility in Missouri)
• 0.4 million — Customers served by Spire Alabama (making it the largest natural gas distribution utility in Alabama)
• 80 hours — Safety training for new construction and maintenance employees (in their first year, emphasizing safety commitment)
• 200 hours — Training for new service and installation employees (in their first year, highlighting skill development)
• $6,000 — Annual tuition assistance eligibility (for all employees except officers, supporting education)
• 24 hours — Average annual technical and procedural training for field operations employees (demonstrating ongoing skill maintenance)

Key Players & Entities

• Spire Inc. (company) — holding company for gas utilities and gas-related businesses
• Spire Missouri Inc. (company) — largest natural gas distribution utility in Missouri, serving 1.2 million customers
• Spire Alabama Inc. (company) — largest natural gas distribution utility in Alabama, serving over 0.4 million customers
• United Steel, Paper and Forestry, Rubber Manufacturing, Allied-Industrial and Service Workers International Union (USW) (company) — union representing 1,521 employees at Spire Missouri and 193 employees at Spire Alabama
• Missouri Public Service Commission (MoPSC) (regulator) — regulates Spire Missouri's rates and tariffs
• Alabama Public Service Commission (APSC) (regulator) — regulates Spire Alabama's rates and tariffs
• Spire Marketing Inc. (company) — wholly owned subsidiary providing natural gas marketing services
• Spire STL Pipeline LLC (company) — 65-mile FERC-regulated natural gas pipeline
• Spire MoGas Pipeline LLC (company) — 263-mile FERC-regulated natural gas pipeline
• New York Stock Exchange LLC (regulator) — exchange where Spire Inc.'s common stock and preferred stock are registered

FAQ

Risk Factors

• Rate Case Outcomes [high — regulatory]: Adverse outcomes in rate cases, particularly for Spire Missouri, could limit the company's ability to recover costs and earn a fair return on its significant infrastructure investments. The company relies on regulatory approvals for rate adjustments.
• Infrastructure Integrity and Safety [high — operational]: Maintaining the integrity of its aging natural gas distribution system is critical. Failures or leaks could lead to significant repair costs, service disruptions, environmental damage, and reputational harm. The company invests heavily in modernization and safety programs.
• Weather and Demand Volatility [medium — market]: Earnings are concentrated in the November to April heating season due to volumetric rate design in Spire Missouri. Colder-than-normal winters increase demand and revenue, while warmer winters can negatively impact financial results.
• Interest Rate Sensitivity [medium — financial]: As a capital-intensive utility, Spire Inc. utilizes debt financing. Rising interest rates increase the cost of debt, impacting profitability and potentially limiting future investment capacity.
• Cybersecurity Threats [medium — operational]: The company's operations rely on sophisticated IT systems. A successful cyberattack could disrupt operations, compromise sensitive data, and lead to significant financial and reputational damage.
• Environmental Regulations [medium — regulatory]: Increasingly stringent environmental regulations related to greenhouse gas emissions and pipeline safety could necessitate significant capital expenditures for compliance and upgrades.
• Labor Relations [low — legal]: A significant portion of the workforce (1,969 employees) is covered by labor agreements. Potential labor disputes or the inability to reach favorable contract renewals could lead to work stoppages and operational disruptions.

Industry Context

Spire Inc. operates in the regulated natural gas utility sector, characterized by stable demand but significant capital requirements for infrastructure maintenance and upgrades. The industry faces increasing scrutiny regarding environmental impact and the transition to cleaner energy sources. Competition primarily comes from other regulated utilities within their service territories and, to a lesser extent, alternative energy providers.

Regulatory Implications

Spire Inc. is subject to extensive regulation by state public utility commissions, which approve rates, service standards, and capital investments. Changes in regulatory policy, such as stricter environmental mandates or unfavorable rate case decisions, pose significant risks to profitability and operational flexibility.

What Investors Should Do

1. Monitor rate case filings and outcomes
2. Assess capital expenditure plans
3. Evaluate weather patterns and their impact
4. Track natural gas commodity prices

Key Dates

• 2025-09-30: Fiscal Year End — Marks the end of the reporting period for the 10-K filing, providing a comprehensive view of the company's financial performance and position.
• 2025-11-10: Common Stock Outstanding Record — Indicates the number of shares available to the public, relevant for per-share calculations and market capitalization.
• 2025-03-31: Market Value of Common Equity Record — Provides a snapshot of the company's public market valuation as of a specific date.

Glossary

Volumetric Rate Design

A pricing structure where the cost of service is directly tied to the volume of natural gas consumed by a customer. (Explains why Spire Inc.'s earnings are concentrated in the heating season for Spire Missouri customers.)

Gas Utility Segment

The core business segment responsible for the distribution of natural gas to residential, commercial, and industrial customers. (Represents the primary revenue and customer base for Spire Inc.)

Midstream Segment

Involves the transportation and storage of natural gas, often connecting producers to distribution networks. (A growing segment for Spire Inc., contributing to diversification and revenue.)

Aggregate Market Value of Common Equity

The total market value of a company's outstanding common stock held by investors who are not considered affiliates. (Indicates the size of the company's public float and overall market capitalization.)

Year-Over-Year Comparison

Revenue has seen a modest increase of approximately 3.5% compared to the prior year, driven by growth in the Gas Utility and Midstream segments, partially offset by a slight decline in Gas Marketing. Operating margins have remained relatively stable, indicating consistent operational efficiency. No new significant risks were introduced, but existing risks related to regulatory environments and infrastructure integrity continue to be prominent.

Key Financial Figures

• $1.00 — ange on which registered Common Stock $1.00 par value SR New York Stock Exchang
• $25.00 — le Perpetual Preferred Stock, par value $25.00 per share SR.PRA New York Stock Exc
• $0.01 — Alabama Inc. Common Stock, par value $0.01 per share (all owned by Spire Inc.) 1
• $6,000 — s, all employees are eligible for up to $6,000 annually in tuition assistance and have

Filing Documents

• sr-20250930.htm (10-K) — 12326KB
• sr-ex10_47.htm (EX-10.47) — 1166KB
• sr-ex10_48.htm (EX-10.48) — 309KB
• sr-ex10_49.htm (EX-10.49) — 939KB
• sr-ex19.htm (EX-19) — 112KB
• sr-ex21.htm (EX-21) — 48KB
• sr-ex23_1.htm (EX-23.1) — 4KB
• sr-ex23_2.htm (EX-23.2) — 3KB
• sr-ex23_3.htm (EX-23.3) — 4KB
• sr-ex31_1.htm (EX-31.1) — 35KB
• sr-ex31_2.htm (EX-31.2) — 35KB
• sr-ex31_3.htm (EX-31.3) — 35KB
• sr-ex32_1.htm (EX-32.1) — 19KB
• sr-ex32_2.htm (EX-32.2) — 20KB
• sr-ex32_3.htm (EX-32.3) — 21KB
• img8740566_0.jpg (GRAPHIC) — 67KB
• img8740566_1.jpg (GRAPHIC) — 130KB
• img150071893_0.jpg (GRAPHIC) — 108KB
• 0001193125-25-282583.txt ( ) — 52537KB
• sr-20250930.xsd (EX-101.SCH) — 2763KB
• sr-20250930_htm.xml (XML) — 15171KB

FORWARD-LOOKING STATEMENTS

FORWARD-LOOKING STATEMENTS 3 Item 1

Business

Business 4 Item 1A

Risk Factors

Risk Factors 10 Item 1B Unresolved Staff Comments 21 Item 1C Cybersecurity 21 Item 2

Properties

Properties 22 Item 3

Legal Proceedings

Legal Proceedings 22 Item 4 Mine Safety Disclosures 22 Information about our Executive Officers (Item 401(b) of Regulation S-K) 23 PART II 24 Item 5 Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities 24 Item 6 (Reserved) 25 Item 7

Management's Discussion and Analysis of Financial Condition and Results of Operations

Management's Discussion and Analysis of Financial Condition and Results of Operations 26 Item 7A

Quantitative and Qualitative Disclosures About Market Risk

Quantitative and Qualitative Disclosures About Market Risk 39 Item 8

Financial Statements and Supplementary Data

Financial Statements and Supplementary Data 40 Item 9 Changes in and Disagreements with Accountants on Accounting and Financial Disclosure 108 Item 9A

Controls and Procedures

Controls and Procedures 108 Item 9B Other Information 109 Item 9C Disclosure Regarding Foreign Jurisdictions that Prevent Inspections 109 PART III 110 Item 10 Directors, Executive Officers and Corporate Governance 110 Item 11

Executive Compensation

Executive Compensation 110 Item 12

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters 110 Item 13 Certain Relationships and Related Transactions, and Director Independence 110 Item 14 Principal Accounting Fees and Services 110 PART IV 111 Item 15 Exhibits, Financial Statement Schedules 111 Item 16 Form 10-K Summary 116

SIGNATURES

SIGNATURES 117 1 Table of Contents GLOSSARY OF KEY TERMS AND ABBREVIATIONS AOCI Accumulated other comprehensive income or loss NYMEX New York Mercantile Exchange, Inc. APSC Alabama Public Service Commission NYSE New York Stock Exchange ASC Accounting Standards Codification O&M Operation and maintenance expense ASU Accounting Standards Update OCI Other comprehensive income or loss CCF A gas measurement which represents a unit of volume equal to one hundred cubic feet OFO Operational Flow Order CCM Cost Control Measure PGA Purchased Gas Adjustment Company Spire and its subsidiaries unless the context suggests otherwise RSE Rate Stabilization and Equalization EPS Earnings per share SEC U.S. Securities and Exchange Commission ESR Enhanced Stability Reserve Spire Spire Inc. FASB Financial Accounting Standards Board Spire Alabama Spire Alabama Inc. FERC Federal Energy Regulatory Commission Spire EnergySouth Spire EnergySouth Inc., parent of Spire Gulf and Spire Mississippi GAAP Accounting principles generally accepted in the United States of America Spire Gulf Spire Gulf Inc. Gas Marketing Segment including Spire Marketing, which provides natural gas marketing services Spire Marketing Spire Marketing Inc. Gas Utility Segment including the operations of the Utilities Spire Mississippi Spire Mississippi Inc. GSA Gas Supply Adjustment Spire Missouri Spire Missouri Inc. ICE Intercontinental Exchange Spire MoGas Pipeline or MoGas Spire MoGas Pipeline LLC, a 263-mile FERC-regulated natural gas pipeline, together with Omega Pipeline, a connected 75-mile distribution system in Missouri ISRS Infrastructure System Replacement Surcharge Spire STL Pipeline Spire STL Pipeline LLC, a 65-mile FERC-regulated natural gas pipeline it constructed and operates to deliver natural gas into eastern Missouri Midstream Segment includin

View Full Filing

View this 10-K filing on SEC EDGAR