9. Glossary

CAPEX

Capital expenditure refers to fixed assets, i.e. expenditure with a positive long-term value.

KPI

The key performance indicator (KPI) is a quantitative measure that tracks the energy performance of a system.

OPEX

Operating expenses and running costs for running a product, business or system.

KING

Return on investment (expressed as a percentage). Its abbreviation is ROI for return on investment. In practical terms, ROI enables you to compare investments, taking into account the money invested and the money earned (or lost). It enables you to choose the most profitable investment.

VAN

Net present value (NPV) is...