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Accredited Energy Auditor by Bureau of Energy Efficiency(B.E.E.), Ministry of Power, Govt. of India

Audit Process.

An energy audit includes more than just taking measurements. In order for the measurements to be useful, they must be part of a systematic procedure to identify and implement the most cost-effective energy-conservation programs. Energy audits involve gathering system information, measuring energy use, developing conservation strategies, choosing the most cost-effective plan, implementing changes, and verifying results. Also, a proactive facility continues improving energy efficiency by repeating this process at regular intervals pisture


Energy audit preplanning begins with making a commitment to energy conservation. Multiple levels of a business must be involved and dedicated to making the entire audit process a priority. The initial goals of the preplanning phase are to establish the audit team members, decide on the scope of the audit, develop a timeline of tasks to be completed, and assign team member responsibilities. The preplanning process typically lasts between a few weeks and a few months, depending on the size of the facility and scope of the audit.

Audit scope.

The audit team must decide on the initial scope of the audit. This includes which systems will be investigated and the depth of the investigations. Facility maintenance personnel may already suspect where significant energy wastes are and what tests will be required to quantify them. This information is usually the basis for deciding on the type of audit. Audit scope can always be expanded later if initial results lead to deeper testing. However, it is helpful to establish early the criteria for allowing the scope to be expanded along with how other phases of the process will be affected

Baseline data gathering.

An energy audit relies heavily on comparisons between expected energy use and actual use. Actual energy use is quantified as baseline and measured data. Baseline data is data that represents a normal operating state and is used as a point of reference for future changes. Most measured data is gathered later during an audit investigation, but baseline data is gathered primarily from existing documents. The most common sources of baseline energy use data are utility bills. Billing information should cover at least the preceding 12 months. However, gathering information from over a few years may better represent any seasonal or long-term trends.
Other documentation that is useful when planning an energy audit or analyzing results includes equipment specifications, manufacturer recommendations for testing equipment, and maintenance records. Audit team members may also want to interview personnel who work on or near major equipment about their observations and suggestions.

Conducting the energy audit

The auditing portion of an energy audit consists of two phases. First, the core members of the audit team conduct an investigation and then help prepare an audit report. The supporting members of the audit team are also involved in preparing the audit report. Outside contractors may be involved in any phase for their expertise or specialized tools.

Audit investigationst

An audit investigation involves the inspection of each system within the scope of the audit. It traces from the source of energy or the resource to each point of use. A variety of test instruments is used extensively during the investigation to identify energy waste and other abnormal conditions. The audit assesses the efficiency, physical condition, and operating profile of the equipment, including the duty cycle, load changes, and controls.

Audit teams.

An audit team is formed from the personnel of different departments. A relatively small group, such as three to five employees, is tasked with the bulk of audit work. The group usually consists of maintenance personnel, who are the most familiar with the building systems and equipment. However, other team members coordinate certain supporting tasks. Accountants gather and organize data from utility bills. Production staffers coordinate audit activities with employee and operating schedules. High-level managers are closely involved so that necessary decisions can be made quickly in order to facilitate audit tasks


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