Ameren Missouri - Experts & Thought Leaders

Ameren Corporation announced the pricing of a public offering of $750 million aggregate principal amount of 5.375% senior notes due 2035 at 99.822% of their principal amount. The transaction is expected to close on March 7, 2025, subject to the satisfaction of customary closing conditions. Prospectus supplement Ameren intends to use the net proceeds of the offering for general corporate purposes, including to repay a portion of its short-term debt. Barclays Capital Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC, MUFG Securities Americas Inc. and Wells Fargo Securities, LLC are acting as joint book-running managers for the offering. The offering is being made only by means of a prospectus and related prospectus supplement. A prospectus supplement related to the offering will be filed with the Securities and Exchange Commission.

Ameren Missouri. will continue providing customers with opportunities to save money and energy after the Missouri Public Service Commission (PSC) recently approved the company’s revised multiyear energy efficiency and demand response plan, under the Missouri Energy Efficiency Investment Act (MEEIA). Program portfolio  The energy company’s portfolio includes the continuation of familiar programs for residential customers, including Peak Time Savings, instant discounts on smart thermostats, and the Pay As You Save (PAYS®) home energy assessment.  Business customers can also continue taking advantage of its demand response program and business energy savings program, BizSavers®. Additional programs Additional programs available through Ameren Missouri include: The Single-Family Income-Eligible program provides a comprehensive package of whole-home upgrades and aims to achieve >10% energy reduction per home. The Multifamily Income-Eligible program provides enhanced incentives for energy-saving upgrades that help tenants save money on energy costs while reducing maintenance costs for property owners. A Business Social Services program to support energy efficiency upgrades (including assistance with completing paperwork) at facilities that supply food, shelter, and other forms of care. And coming later this year: FastTrack HVAC, an additional channel in the PAYS program for HVAC system installation that will allow expedited replacement of systems and financing through bill payments. energy efficiency and demand response “Ameren Missouri’s energy efficiency and demand response programs have been extremely beneficial to customers, communities, and the state of Missouri for over a decade,” said Tony Lozano, director of energy efficiency and demand response at Ameren Missouri. “These cost-saving programs are more important now than ever before as we work with stakeholders to position Missouri as a great place to live and do business." PSC-approved programs The PSC-approved programs advance Ameren Missouri’s ongoing investment in energy and cost-saving opportunities on customers’ bills and have historically helped customers save more than $2.9 billion on their energy bills over the lifetime of their energy-efficient upgrades. The programs include: $75 million in total rebates and incentives for residential and business customers. $20 million was allocated for income-eligible customers and social service agencies. A goal of producing 102,000 megawatt-hours (MWh) in energy savings – equal to the annual energy consumption of 8,300 average-sized Missouri homes. $51 million invested annually in 2025 and 2026 toward customer demand response and energy efficiency programs, and $22 million in 2027 for demand response programs. The plan and programs are the result of a proposal originally filed with the PSC in 2023 and later amended in 2024. 

Ameren Missouri marks 40 years since Callaway Energy Center rose to full power for the first time. The energy center, which has been in operation since 1984, has received a 20-year extension on its operating license from the U.S. Nuclear Regulatory Commission (NRC) and has been approved to operate until 2044. “Callaway Energy Center has been a fixture in Ameren Missouri’s energy portfolio for four decades as a safe source of reliable, carbon-free energy for our community,” said Mark Birk, chairman and president of Ameren Missouri. New forms of generation The around-the-clock energy Callaway provides becomes increasingly important to customers Callaway is the largest carbon-free energy generator in Missouri. As energy demand increases and new forms of generation are put onto the grid, the around-the-clock energy Callaway provides becomes increasingly important to customers. “Callaway is a vital component of our long-term plans to meet our customers’ rising energy needs while keeping bills as low as possible. At the same time, it will continue providing hundreds of good-paying jobs and tax dollars in support of the community,” Birk said. 40 Years of Safe and Clean Nuclear Energy Callaway started generating energy in October 1984 and was declared “fully operational” in December 1984. Callaway generates approximately 9.2 million megawatt-hours of electricity – enough to power about 800,000 average households. Callaway produces around 26% of Ameren Missouri’s overall energy generation. The reactor containment building is 205 feet tall and 150 feet wide. 40,000 cubic yards of reinforced concrete were used in the construction of the cooling tower at Callaway. The cooling tower is 553 feet tall – just 77 feet shorter than the Gateway Arch in St. Louis. Approximately 800 employees and contractors work at Callaway. The energy center accounts for about $9.8 million of Ameren Missouri's annual property taxes paid to Callaway County, the majority of which goes to local schools. Nationally, nuclear generation accounts for almost 19% of all U.S. energy generation. Callaway Energy Center is one of 54 nuclear facilities operating across the country, and the only one in Missouri.