AES Ohio says its proposed data center tariff protects customers. The Ohio Manufacturers’ Association (OMA) says the math says otherwise.
According to OMA Energy Group testimony filed with the PUCO, two data center projects in AES Ohio territory could trigger $2.77 billion in guaranteed transmission revenue requirements over 40 years, while data centers would provide only about $1.4 billion in guaranteed payments under the proposed tariff. That leaves more than $1.3 billion potentially at risk to manufacturers, families and other electric customers.
“This is exactly why policymakers need to check the math before blessing these kinds of deals,” said Lindsey Short, OMA managing director of energy and advocacy services. “A tariff is not customer protection just because a utility says it is. If data centers do not pay the full cost of the grid upgrades they cause, everyone else is left paying the gap.”
OMA continues to urge lawmakers and regulators to follow the oldest rule in ratemaking. The customer that causes the cost should pay the cost. 6/29/2026