MTIB – Design and Installation of an Integrated Smart Local Energy System (SLES)

The Merthyr Tydfil Institute for the Blind (MTIB), a registered charity and social enterprise based in Pentrebach, Merthyr Tydfil, is seeking to appoint a suitably qualified and experienced Principal Contractor to design, supply, install, integrate, test and commission a fully operational Smart Local Energy System (SLES) at its premises. The project is supported by the Welsh Government Ynni Cymru Capital Grant Funding Programme and aims to reduce energy costs, improve energy efficiency, lower carbon emissions and support the long-term sustainability of MTIB, which provides supported employment and employability opportunities for blind, disabled and disadvantaged people.

The proposed works comprise the installation of approximately 108.36 kWp of rooftop solar photovoltaic generation, a battery energy storage system with approximately 197 kWh storage capacity and 50 kW power conversion capability, a variable refrigerant flow (VRF) air source heat pump system with an indicative heating capacity of 60 kW and a minimum seasonal coefficient of performance of 4.0, four 22 kW AC electric vehicle charging outlets, one 50 kW DC rapid charger, and an integrated smart energy management and monitoring system. The successful contractor will be responsible for the complete delivery of the project, including site surveys, structural assessments, system design, equipment procurement, electrical and civil engineering works, Distribution Network Operator applications and approvals, planning and building regulations requirements where applicable, subcontractor coordination, installation, integration, testing, commissioning, certification and handover.

All works must comply with applicable UK legislation, relevant British Standards, electrical installation regulations, Construction Design and Management Regulations 2015, manufacturer requirements and recognised industry standards. The contractor must demonstrate appropriate technical competence, experience and resources to deliver a fully integrated renewable energy installation within the required programme.

The completed system must include suitable monitoring, metering and energy optimisation capabilities, together with operating manuals, maintenance information, warranties, certification and staff training. MTIB intends to appoint a single Principal Contractor with overall responsibility for managing and coordinating all elements of the works.

The project is subject to a strict funding deadline. All installation works, testing, commissioning, outstanding defects and snagging, compliance documentation, formal handover, MTIB sign off and final invoicing must be completed by 31 March 2027.

The maximum available project budget is GBP 388840 excluding VAT. Contract award will be subject to final confirmation of funding and completion of the necessary procurement approvals.

A mandatory pre tender site visit will be required. Full technical specifications, contractual requirements, evaluation criteria and tender submission instructions are provided within the accompanying tender documentation.