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Introducing Halcyon's Large Load Tariff Tracker (LLTT)

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U.S. electricity demand is growing again, driven by large loads from things like cloud data centers and cryptocurrency miners. With the largest facilities over 1 gigawatt of load, states and utilities court these large loads to attract tax revenues and well-paying jobs. States like Virginia and Arizona are so successful at this courting process that they have become synonymous with data centers (at least in the circles I keep). Seeing their success, other states and utilities have rolled out special pricing structures - referred to as large load tariffs - to incentivize growth. Large load tariffs are not the trade-related tariffs that we hear about on the news (unless you read Power Magazine and RTO Insider). Rather, large load tariffs are specialized electricity rate structures that determine how much a customer pays for their electricity use, designed for customers whose power demand is significantly higher than that of typical residential, commercial, or small industrial users.* The

Introducing Halcyon's Large Load Tariff Tracker (LLTT) by Alex Klaessig July 17, 2025 Share: U.S. electricity demand is growing again , driven by large loads from things like cloud data centers and cryptocurrency miners. With the largest facilities over 1 gigawatt of load, states and utilities court these large loads to attract tax revenues and well-paying jobs. States like Virginia and Arizona are so successful at this courting process that they have become synonymous with data centers (at least in the circles I keep). Seeing their success, other states and utilities have rolled out special p

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