Sustainability and Customer Savings
Reducing energy consumption isn’t just good for the environment – it also helps our customers save money. Together, Ameren Illinois and Ameren Missouri invested approximately $215 million in 2024 to fund robust electric and natural gas energy efficiency (EE) programs that reward customers for installing newer, energy-saving measures. Programs include LED lighting upgrades, energy efficient heating and air conditioning systems, home energy audits, low-income weatherization, programmable thermostat rebates and customer education.
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Energy Efficiency

Ameren offers several energy efficiency programs that enable customers to take advantage of rebates on LED bulbs, smart thermostats, high-efficiency HVAC systems and other products that use less energy and reduce their energy statements.
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Income Eligible Programs

Ameren’s income-eligible programs help make meaningful efficiency upgrades, at little or no cost to the recipient.
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Energy Assistance

Ameren partners with nonprofit organizations in Missouri and Illinois to help customers stay current on their energy statements.