What the 25 MW threshold means: how Montgomery County would define a "large data center"

Jul 22, 2026

Staff proposed a definition that designates a "large data center" as a facility with projected aggregate monthly electricity demand of at least 25 megawatts, excluding certain institutions (e.g., higher education, hospitals). The committee adopted a global amendment to include the definition while study continues.

The full story

County staff presented a draft definition that combines language used in other jurisdictions and adds an electricity demand threshold drawn from recent Maryland state law. "The data center would be projected to have an aggregate monthly electricity demand of at least 25 megawatts," Ms. Wellens told the committee.

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