Economia energia (%)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
(1 - real/base) × 100%
About this calculator
The Energy Savings (%) calculator helps determine the energy efficiency of a project or building in relation to energy consumption. It works based on the formula: (1 - actual energy consumption / baseline energy consumption) × 100%. This provides a percentage that indicates the energy savings achieved.
The actual energy consumption is compared to the baseline energy consumption, which is a reference value for expected consumption. This comparison allows for evaluating the building's energy performance and identifying opportunities for improvement. Energy optimization is crucial for reducing costs and environmental impacts.
The calculator is useful in cases of evaluating building energy performance, comparing energy efficiency projects, and identifying opportunities for reducing energy consumption. It's essential to consider factors such as building usage type, operating hours, and regional climate characteristics.
When using the calculator, it's essential to be careful with the accuracy of input data, as this directly affects result accuracy. Additionally, it's important to consider that energy savings can vary over time due to changes in usage patterns and other variables.
Frequently asked questions
What is baseline energy consumption?
Baseline energy consumption is a reference value for expected energy consumption in a building or project.
How is actual energy consumption calculated?
Actual energy consumption is measured or estimated based on usage patterns and building characteristics.
What are the benefits of using this calculator?
The calculator helps evaluate energy performance, identify opportunities for improvement, and reduce costs and environmental impacts.
What precautions should I take when using the calculator?
It's essential to be careful with input data accuracy and consider variables that may affect energy savings over time.
In what situations is this calculator most useful?
The calculator is useful in energy performance evaluations, energy efficiency project comparisons, and identifying opportunities for reducing energy consumption.