Our Process

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Site Assessment & Audit

The first step in undertaking a lighting upgrade is to evaluate what the existing conditions are and to understand how the facility operates today. PLS will come out to your building to assess the existing lighting. We’ll walk the whole facility, not only to count fixtures, but also to examine what kind of light levels are currently being achieved and to see if this is adequate for the facility’s needs.

Lighting Analysis

After auditing the facility’s existing lighting system and collecting all our data, we develop a new lighting solution. Through the use of photometric layouts, we simulate our proposed lighting design to verify that it meets your needs and provides the proper light levels. In a lighting upgrade, saving energy is part of the goal…but the final solution must have the lighting performance to match.

Financial Analysis & Rebates

Once we have verified the performance of our proposed solution, we perform a custom project ROI analysis for you using our energy software. Crunching all the numbers, including energy savings, hours of operations, material costs, labor costs, and potential rebates & incentives, we establish a complete evaluation of the energy and financial impact of the upgrade project.


After our analysis is complete, we present our findings to the decision makers on the project. It is important to have everyone see the whole picture—from the energy savings to the return on investment, and ultimately how the upgrade can get you positive cash flow.

Install & Dispose

Working with the electrical contractor, we will coordinate installation of the new lighting system as well as removal and disposal of the old.