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Coal Combustion Residuals

A purple flower glistening in the morning sun in a field near Thomas Hill Energy Center.

CCR rule compliance data and information

As a member-owned cooperative, Associated Electric Cooperative focuses on serving its members with clean, affordable, reliable electricity that is balanced with environmental stewardship of our natural resources.

Associated has a strong, proactive record of compliance with pertinent local, state and federal environmental regulations, including the recent Coal Combustion Residuals (CCR) rule. In accordance with that rule, this website provides information on our ash-handling facilities at the New Madrid and Thomas Hill generating stations. The required information will be posted when it is available.

Learn more about us and our environmental stewardship.

New Madrid Power Plant

The New Madrid Power Plant is important to Associated Electric Cooperative’s mission of providing an affordable and reliable power supply to member cooperatives and the members they serve.

Associated Electric employs about 175 people at the plant, which is comprised of two coal-based electric generating units. Read more about the plant.

Contact environmental staff at the plant, 573-643-2211, or email

Thomas Hill Energy Center

Associated Electric employs about 225 people at Thomas Hill Energy Center, comprised of three electrical generating units totaling 1,153 megawatts, that produce clean, affordable, reliable electricity for member cooperatives. Learn more about this important resource for members.

Contact environmental staff at the plant at 660-261-4211, or email

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