Grenada energy storage for microgrids

Grenada is seeking an independent power producer (IPP) to build and operate a 15.1 MW utility-scale PV project for 25 years. The plant, planned near Maurice Bishop International Airport, will supply about 40% of the island’s peak load.
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Grenada is seeking an independent power producer (IPP) to build and operate a 15.1 MW utility-scale PV project for 25 years. The plant, planned near Maurice Bishop International Airport, will supply about 40% of the island’s peak load.

Image: Rebecca King, Unsplash

Grenada, home to 115,000 people, relies primarily on diesel for electricity. The state utility operates 15 diesel generators with a combined capacity of 50 MW, alongside 1.1 MW of small-scale PV systems. Customer-owned renewables contribute 3.5 MW.

The country aims to achieve 100% renewable energy in electricity and transport by 2030.

“The project is intended to significantly increase the contribution of renewable energy in Grenada and reduce the cost of electricity generation,” said the regulator. “It is also intended to create a resilient microgrid at the MBIA to provide reliable power during long-duration grid outages.”

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As the Government of Grenada (GoG) strives to achieve national renewable energy targets, the Public Utilities Regulatory Commission (PURC), in its capacity as the procuring entity has engaged Rocky Mountain Institute (RMI) to assist with developing, procuring, and implementing large ground-mount solar PV with battery storage installations at the Maurice Bishop International Airport (MBIA), Point Salines, Grenada.

In both cases the plant will also form part of a microgrid at the MBIA capable of decoupling from the grid to provide localized electricity during outage situations.

GRENLEC is responsible for installing a new substation at the MBIA to accommodate the interconnection of the renewable energy plants to the grid and further grid upgrades.

This EME document provides an overview of the Grenada Renewable Energy Project requirements. It allows interested parties to share information that will influence the scope of work and specifications of the intended Request for Proposal (RFP) and register their interest in receiving the Request for Qualification (RFQ) solicitation documents.

This is not a Request for Proposals (RFP) or a solicitation for formal proposals.

The information developed through this EME will be used to evaluate the market interest, gauge market prices, help decide the project scope, and help develop the final RFP, including solar PV and battery storage specifications to connect to the GRENLEC electricity grid. The project scope includes the selection of an Independent Power Producer (IPP) for the design, implementation, and operation of the MBIA Renewable Energy Project. The Public Utilities Regulatory Commission (PURC) will lead the IPP procurement process, and the awarded bidder will sign a Power Purchase Agreement (PPA) with GRENLEC. This EME does not constitute a commitment, implied or otherwise that the PURC will act in this matter. The PURC will not be responsible for any costs incurred in furnishing responses.

The PURC is interested in understanding market participants’ (solar & battery storage IPP developers) current availabilities, flexibilities, and preferences in providing IPP services for the proposed Grenada Renewable Energy Project at the MBIA. The PURC''s objectives for this EME are to:

The PURC will share the information secured with RMI for the future development of the Grenada Renewable Energy Project procurement (RFQ and RFP) documents.

The three sites earmarked for solar installations for an aggregated capacity of 15.1MW at the MBIA are as follows:

Detailed analysis suggests that a 10.6MW/21.2MWh BESS would be appropriate to provide the required value streams. The proposed location for siting the BESS is at a new 33/11kV substation to be constructed at the site north Hardy Bay at MBIA.

GRENLEC, the PURC, and RMI are currently undertaking the proposed Grenada Renewable Energy Project feasibility studies/project de-risking exercises and assessments, including a geotechnical investigation, hydrology study, aviation risk assessment, boundary and topographic surveys, battery optimization study, grid integration study, and environmental and social impact assessment. The final deliverables from the de-risking exercises will be shared with all shortlisted bidders as part of contracting an IPP via subsequent RFQ & RFP solicitation processes.

Grenada Renewable Energy Project Objectives

The Government of Grenada, via the PURC, is exploring opportunities to reduce diesel fuel consumption and, therefore, the unit cost of electricity in Grenada.

One economic opportunity identified is the engagement of IPPs for the continued investment in indigenous energy sources, namely solar and battery storage, to provide higher levels of renewable energy penetration. The following objectives have been identified for the Grenada Renewable Energy Project:

The IPP’s scope of work on the proposed Grenada Renewable Energy Project consists of project development, including solar PV and battery storage plant design, energy yields, permits/licenses, contractual arrangements, and financing. Project implementation includes procurement of equipment and materials, construction/installation, interconnection to the GRENLEC grid, and commissioning. This would be followed by operation and maintenance of the solar PV and battery storage plant and sale of electricity to GRENLEC. The IPP will carry out the defined scope of work according to the performance and technical specifications within the RFP document.

The licensing and contractual structure for the Grenada Renewable Energy Project consists of one license and two agreements:

Specific Information of Interest:

All information shared with the PURC about this EME must be in electronic documents sent to the email addresses below.

About Grenada energy storage for microgrids

About Grenada energy storage for microgrids

As the photovoltaic (PV) industry continues to evolve, advancements in Grenada energy storage for microgrids have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.

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