← All glossary terms

Sustainability, Risk, and Reporting

Emissions rate

Emissions rate expresses emissions per unit of energy, such as pounds or metric tons of CO2 per MWh. In data center analysis, emissions rate can be location-based, market-based, marginal, or hourly depending on the question.

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Expansion right

Expansion right gives a tenant or buyer a defined path to obtain additional space, land, or power capacity. It is critical in data center transactions because power ramp and campus growth can be more valuable than initial capacity.

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Property tax

Property tax is a local tax on real property and sometimes personal property, depending on jurisdiction. Data center projects can materially expand a local tax base, but abatements or exemptions can change the net public revenue story.

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Categorical exclusion

Categorical exclusion is a category of federal action that normally does not require detailed NEPA analysis because significant environmental effects are not expected. Extraordinary circumstances can still prevent its use.

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