Energy audit plays important role in reducing energy bills. Industries which have allotted higher part of running cost towards energy are advised to take energy audit in their routine work timely. In energy audit detailed analysis of setup is done to understand flow of energy. Energy audit ends up with recommendations which involve low cost, medium cost and high cost investments. We can reduce energy bills up to 30% by adopting low cost investment projects and projects with less than 2 years payback period. Not only energy audit helps in saving energy but also helps to reduce impact on environment by emission of hazardous pollutants. In overall view objective of audit is same for all the industries but process of audit may changes industry to industry. In general process previous energy bills are collected. Analysis is done to identify energy conservation measures (ECM’s). After cost benefit analysis of ECM’s and action plans are prepared for implementation of ECM.
Energy management and audit is a process including Inspection, Survey & Analysis of energy flows for energy conservation in a building, a process or a system to reduce the amount of energy input into the system without negatively affecting the output(s) plugged. Energy management and audit is the quickest, cheapest and cleanest way to reduce Energy Consumption. Ringtech provide the best energy audit program. Ringtech is the best energy audit management company in Ringtech. It is a best energy audit Ringtech provider. We help to grow your business. In most existing installations, we can target up to 25% energy savings using existing offers and technologies through our step by step approach to energy efficiency. Ringtech has a comprehensive offer for Residential Buildings, Commercial Complex, Hotels, Hospitals and Group Housing societies and with Energy Efficiency Solutions that help you turn energy savings into growth. Ringtech provides the best energy audit program.
Electrical safety Audit (ESA)
Electrical Safety requirement is an important as life safety. Electrical hazards can lead to burns, shocks and electrocution or death. Due to n be bad workmanship and ignorance major accidents caused and can lead to life loss and damages to expensive equipment. RINGTECH with its experience in the field provides its service to carry out electrical safety audit and evaluate the safety standards/compliance to ensure safety.
Major Electrical safety audit review covers following.
- Verification of statutory compliance with respect to National Building Electrical Codes
- Electrical Panel review that includes thermography
- Lightening Protection system
- Review of preventive maintenance system
- Review of Earting
- Review of overloading etc.
Investment grade energy Audit (IGEA)
It is essential to use energy efficiently and wisely to save environment and to reduce operational. Energy Audits are carried out to measure the energy consumption and to find out the efficient ways to save the energy by various means.
An environmental audit is a type of evaluation intended to identify environmental compliance and management system implementation gaps, along with related corrective actions. In this way they perform an analogous (similar) function to financial audits.
‘’M&V is the process of using measurement to reliably determine actual savings created within an individual facility by an energy management, energy conservation of energy efficiency project or program and IPMVP (International Performance Measurement And Verification protocol) are international M&V protocol.’’ M&V brings clarity for energy saving projects. It us the only way to prove energy saving in any project it should be very well defined before implementation of any energy efficiency measure. Energy saving can never be measured because represents the absence of energy use.
Why Energy Audit is important for industries and what are the benefits of Energy Audit obtained from it?
Increasingly in the last several decades, industrial energy audits have exploded as the demand to lower increasingly expensive energy costs and move towards a sustainable future have made energy audits greatly important. Their importance is magnified since energy spending is a major expense to industrial companies (energy spending accounts for ~ 20% of the average manufacturer’s expenses). This growing trend should only continue as energy costs continue to rise.
What are the types of Energy Audit?
The type of industrial energy audit conducted depends on the function, size, and type of the industry, the depth to which the energy audit is needed, and the potential and magnitude of energy savings and cost reduction desired. Based on these criteria, an industrial energy audit and its types can be classified into two types: Preliminary Energy Audit (Walk-through Energy Audit) and a Detailed Energy Audit (Diagnostic Energy Audit).
1. Preliminary Energy Audit (Walk-through audit). In a preliminary energy audit, readily-available data are mostly used for a simple analysis of energy use and performance of the plant. This type of audit does not require a lot of measurement and data collection.
2. These audits take a relatively short time and the results are more general, providing common opportunities for energy efficiency. The economic analysis is typically limited to calculation of the simple payback period, or the time required paying back the initial capital investment through realized energy savings.
3. Detailed Energy Audit (Diagnostic Energy Audit). For detailed (or diagnostic) energy audits, more detailed data and information are required. Measurements and a data inventory are usually conducted and different energy systems (pump, fan, compressed air, steam, process heating, etc.) are assessed in detail. Hence, the time required for this type of audit is longer than that of preliminary audits. The results of these audits are more comprehensive and useful since they give a more accurate picture of the energy performance of the plant and more specific recommendation for improvements. The economic analysis conducted for the efficiency measures recommended typically go beyond the simple payback period and usually include the calculation of an Internal Rate of Return (IRR), Net Present Value (NPV), and often also Life Cycle Cost (LCC).
What are the procedures involved in Energy Audit?
A). Preparation for energy audit
• Defining the audit criteria
• Defining the audit scope
• Selection of energy audit team
• Making an audit plan
• Preparing an audit checklist
• Conducting the initial walk-through visit
• Collecting energy bills and available data and information
• Conducting the preliminary analysis
B). Analyzing energy bills
• Electricity bills
• Calculating electricity use per day (kWh/day)
• Calculating the Load Factor (LF)
• Natural gas bills
• Coal and fuel oil bills
• Graphical analysis of historical energy use
C). Inventory and measurement of energy use.
The most common data measured during the auditing process are:
• Liquid and gas fuel flows
• Electrical measurements, such as the voltage, current intensity and power, as well as power factor.
• Temperatures of solid and liquid surfaces
• Pressure of fluids in pipes, furnaces or vessels
• Exhaust gases emissions (CO2, CO, O2 and smoke)
• Relative humidity
• Luminance levels
• Electrical load inventory
• Thermal energy use inventory
• Energy system-specific measurements
• Energy balance
D). Analyzing energy use and production patterns
• Load/Demand profile
• Scatter diagram for presenting the dynamics of the energy-production relationship
• Interpretation of energy-production data pattern on a scatter diagram
E). Benchmarking and comparative energy performance analysis
F). Identifying energy efficiency and energy cost reduction opportunities
• Electrical demand control
• Cross-cutting energy-efficiency improvement options
• Sector-specific energy-efficiency improvement opportunities for selected industrial sectors
G). Cost-benefit analysis of energy-efficiency opportunities
• Life-cycle cost analysis (LCCA)
• Life cycle cost (LCC) method
• Net present value (NPV) method
• Internal rate of return (IRR) method
• Simple payback period (SPP) method
H). Preparing an energy audit report
Some key issues that should be kept in mind while writing an audit report are:
• The audit report should be written in a way that provides suitable information to the potential readers of the report which could be the CEO or plant manager, the supervisor of engineering or maintenance, and the plant shift supervisor.
• The audit report should be concise and precise and use direct language that is easy to understand.
• Use more graphs rather than tables for the presentation of data, results and trends.
• The recommendation section should be specific, clear and with adequate detail.
• Assumptions made in the analysis should be explained clearly. How changes in the key assumptions can influence the results should also be explained. A sensitivity analysis is a very helpful tool for this.
• The auditors should do their best to avoid mistakes and errors in the report especially in the results. Even a few errors could damage the credibility of the audit.
• The energy audit report should be consistent in structure and terminology used.
• The calculations made in the analysis work should be explained clearly.
I). Post-audit activities
• Create an action plan for the implementation of energy-efficiency measures
• Implement the action plan
• Evaluate Progress