Energy Audit and Rational Energy Consumption
Energy audit identifies and evaluates energy management and rational energy consumption measures in the company. There are possibilities to reduce energy costs by 5 % to 15 % with payback period less than two years, to rise energy awareness of the employees, to establish a baseline for the future improvements and to help company to set efficient energy management strategy.
Energy audit identifies and evaluates energy manag...
Energy audit identifies and evaluates energy management and rational energy consumption measures in the company. There are possibilities to reduce energy costs by 5 % to 15 % with payback period less than two years, to rise energy awareness of the employees, to establish a baseline for the future improvements and to help company to set efficient energy management strategy.
Activities:
- Energy auditing of the company.
- Feasibility study for the investments in utility systems and energy efficiency measures (new utility systems implementation, renewable energy systems, combined heat and power systems).
- Energy auditing of the particularly utility system (heating, HVAC, cooling and/or process water, steam and condensate, compress air).
- Training of the employees for rational energy consumption.
Three common energy audits programmes are known:
- Preliminary audit (involves minimal interviews with site operating personnel, a brief review of facility utility bills and other operating data, and a walk-through of the facility to become familiar with the building and process operation and to identify areas of waste energy and/or inefficiency).
- General audit (expands the preliminary audit by collecting more detailed information about facility operation and performing a more detailed evaluation of energy conservation measures identified).
- Investment-Grade Audit (expands the general audit described above by providing a dynamic model of energy use characteristics of both the existing facility and all energy conservation measures identified. It includes energy and non-energy investments which are rated on a single set of financial criteria that generally stress the expected return on investment. There are developed the projected operating savings from the implementation of energy projects for high level of confidence).
The following utility systems can be assessed:
- Boiler house with steam, hot water or oil boilers including combined heat and power system.
- Heating, ventilation and air conditioning (HVAC).
- Hot oil system.
- Steam and condensate system.
- Energetic system including electricity consumers and lightening;
- Compressed air and systems of the inert gasses;
- Cooling water and process water systems.
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