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Measurement and Verification

Measure-specific M&V approaches | Sampling guidelines | M&V plan requirements |
Site inspections

Site inspections

Over the course of a project, CenterPoint Energy conducts two site inspections. A pre-installation inspection is performed as part of the Project Application review; a post-installation inspection is performed following the Project Sponsor's submission of the Installation Report.

Pre-installation inspection

CenterPoint Energy will contact the Project Sponsor and complete the pre-inspection within 30 days of the receipt of a complete Project Application. The purpose of this inspection is to verify the following:

  • The accuracy of the equipment survey. For most measures the accuracy of the equipment quantity and nameplate information is verified. For lighting measures, the requirement for acceptance is that the installed demand of the sample must be within +/- 5 % of the total demand submitted on the survey form.
  • The M&V plan is appropriate for the measure, and the necessary M&V activities are being performed.
  • All existing equipment listed in the Project Application is still in place and operational.
  • New equipment installation, or preparation for installation, has not begun.

Post-installation inspection

This inspection, conducted by CenterPoint Energy within 30 days of its receipt of a complete Installation Report, verifies the following:

  • The installation of the equipment specified in the approved Project Application. For most measures the accuracy of the equipment quantity and nameplate information is verified. For lighting measures, the requirement for acceptance is that the installed demand of the sample must be within +/- 5 % of the total demand submitted on the survey form.
  • The M&V plan is being followed in accordance with the approved Project Application.

For both inspections, the presence of at least one representative of the Project Sponsor familiar with the project and with the facility is required. When electrical measurements are necessary, the representative is required to perform any necessary disruptions in equipment operation, the opening of any electrical connection boxes, or the connection of current and power transducers.

If an inspection cannot be completed in a timely manner because the representative is unfamiliar with the facility or project, the project will fail the inspection. A project has two chances to pass each type of inspection (pre or post); after failing two inspections, the Project Sponsor must pay the cost incurred by CenterPoint Energy for performing additional inspections of that type.


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