← All glossary terms

Sustainability, Risk, and Reporting

Backup generator

Backup generator provides on-site power during utility outages or test events. Generator strategy affects air permitting, fuel logistics, noise, runtime, emissions, redundancy, commissioning, and community acceptance.

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Resource adequacy

Resource adequacy is the ability of the power system to have enough supply, imports, demand response, and reserves to meet expected demand plus reliability margins. AI load growth has made resource adequacy a core large-load planning issue.

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Work letter

Work letter is a lease exhibit defining landlord and tenant construction obligations, specifications, approval process, costs, and schedule. It is especially important when delivery depends on power, cooling, commissioning, and phased capacity.

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Assessed value

Assessed value is the value assigned by a taxing authority for property tax purposes. It may differ from market value and can change after improvements, equipment installation, incentive agreements, or reassessment.

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