Client: Municipality of Halton
Location: Oakville, Ontario
Size: N/A

The Regional Municipality of Halton (Municipality) engaged JLR to complete a feasibility study for the deployment of a rooftop solar photovoltaic (PV) system and/or a battery energy storage system (BESS) at the Oakville Water Purification Plant (WPP). Multiple drivers for the deployment of a system were incorporated into the analysis, including electricity cost savings, greenhouse gas (GHG) emissions reductions and standby power for brief interruptions.

The PV systems were evaluated on a lifecycle basis and shown to be beneficial for electricity cost savings and GHG reductions; furthermore, the PV system has the potential to provide a form of “future proofing” against changes to electricity rate structures. JLR also worked with the Municipality to develop a strategy for PV system deployment that would coincide with scheduled roof replacements. JLR completed follow up work with the Municipality to develop preliminary system sizing for additional facilities.

The BESS was also evaluated from a lifecycle perspective including Class A global adjustment cost savings and use of the system for standby power. Because the cost of the BESS increase with its energy rating, JLR worked with the Municipality to understand their requirements for standby power as well as the operation of the plant to minimize the proposed BESS size, and therefore, the cost, while ensuring the needs of the Municipality were met. Through the process, JLR confirmed load reduction strategies that could be continued for demand management, minimizing the size of the proposed BESS for Class A cost mitigation.

The client was very pleased with the diligence and depth of knowledge the JLR team brought to the project and engaged them in the next stage of their program–the detailed design of the BESS and PV systems, as well as on other scopes of work.

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