Meet the Experts

About Data Energy and our contributors and collaborators

About Us

This Playbook is built on expertise and experience. Between us, we've seen the challenges property managers face first-hand - from compliance gaps to frustrated residents - and we've made it our mission to provide clarity, practical solutions and reassurance.

The contributors you'll meet here bring together decades of knowledge in energy management, regulation, law and property management. That's why this guide is grounded, trustworthy and ready to help you navigate the maze.

Who We Are

Data Energy + DMG Delta

Together, we provide the Total Heat and Energy Management Solution - with all your maintenance, energy procurement, metering & billing under one roof.

Data Energy: Market leader in data driven and compliant heat network management solutions.
DMG Delta: Over 30 years of delivering sustainable building management and heat network maintenance.

Our partnership is designed to make properties more efficient, compliant and future-ready.

Our In-house Experts and Authors

Sian Hoddle – Director of Energy

With 11+ years at Data Energy, Sian has grown with the business and knows the challenges PMs face first-hand. She combines strategic vision with practical experience, helping clients prepare for regulation while keeping residents front and centre.

Katherine (Kat) Baker – Business Operations Manager

Kat has over a decade of utilities industry experience, translating Ofgem regulations into practical steps for property managers. Kat’s strength is turning complexity into clarity, with a focus on efficiency, compliance and fairness.

Daniel Davies (d-Analysed) – Technical Project Consultant

The voice of d-Analysed, Daniel shares insights from real-world data and fieldwork. Known for his no-nonsense approach, he cuts through jargon to show what really matters in compliance, metering and performance.

Rupert Mackay – Managing Director, DMG Delta

With over 30 years in the heating and energy industry, Rupert leads DMG Delta as Managing Director and is a CIBSE-qualified Heat Network Engineer. His expertise in communal and district systems drives efficient, compliant, and sustainable solutions - helping clients manage buildings that perform better for residents and businesses alike.

Our Collaborators

Carly Melling – Property Manager

Brings lived experience of managing compliance challenges in the field.

Jaclyn Magoo – The Property Institute (TPI)

Policy leadership and advocacy for property managers navigating regulatory change.

Which expert perspective would you find most valuable for your property management needs?

Technical compliance insights
Property law expertise
On-the-ground management experience

Learn more about our contributors, they've lent us their decades of knowledge and experience in sectors from energy management, legislation, compliance and property management. We've used that knowledge to make sure this guide is grounded, trustworthy and ready to help you navigate the heat network compliance maze.