Frameworks & Accreditations


The Essentia framework is operated by Essentia Trading Limited, a wholly owned subsidiary of Guy’s and St Thomas’ NHS Foundation Trust. Through its network of trusted suppliers, Essentia supports public sector clients to deliver EPCs. Ylem EPC is an accredited supplier on the Essentia Framework. For more information see the factsheet and the link.

The Carbon & Energy Fund

The Carbon & Energy Fund is a special purpose vehicle operating a procurement framework for EPCs. The CEF assists public sector clients fund and manage complex infrastructure upgrades. Ylem EPC is an accredited contractor on the CEF Framework. For more information see the link.

Heat Network Consultant

Let our registered Heat Network Consultants help you with all aspects of Heat Networks and community heating schemes.


We are a signatory to the European Code of Conduct for Energy Performance Contracting. See: here.

We believe in fair and open contracts for EPCs.

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