Energy Engineering

From solar and wind feasibility to estate decarbonisation and retrofit, our specialist Energy Engineering Team brings together deep technical expertise and cross-sector experience to deliver innovative, sustainable, and future-ready energy solutions.

We offer a comprehensive, integrated approach to meet the evolving demands of the energy landscape. We’re here to guide your organisation through every stage of its energy journey.

We offer a full range of Energy Engineering Services, including:

• Energy Generation Specialists for solar PV/PVT, wind, heat pumps, CHP, biomass, hydrogen and heat Pumps. Also offering project management, feasibility studies and planning consent support.
• Decarbonisation Solutions for Industrial and Commercial Organisations, including heat network design, environmental compliance, carbon capture and storage, High Temperature Heat Pump Design, Heat Decarbonisation Strategies, industrial decarbonisation and environmental compliance including the Energy Saving Opportunity Scheme (ESOS);
• Expert Public Sector Decarbonisation Solutions; As an approved technical assessor for England, Wales and Scotland offering advice and support for funding applications via PSDS & LCSF, our work includes energy efficiency surveys, Framework Management, heat decarbonisation plans, low carbon detailed designs (up to RIBA 4), heating and cooling policies, Net Zero Strategies and whole life carbon appraisals, DNO application support.
• Energy Compliance, including domestic and non-domestic EPCs, DECs, TM44 assessments, thermal modelling, MEES and building energy compliance assessments
• Energy Analysts; providing specialist data analysis including simplifying large energy data sets, data collection and sorting, measurement and verification, PVsol design and transport audits.

Whether it’s driving large-scale renewable projects, supporting industrial clients through their energy transition, delivering Net Zero strategies for Public Sector or ensuring regulatory compliance, our team is committed to delivering measurable value through engineering excellence.

Energy Generation Feasibility and Design

Our team provides end-to-end support to assess, design, and manage renewable energy generation projects. We help you identify the most suitable technologies, evaluate site potential, and develop practical, cost-effective solutions that align with your sustainability goals, which include but are not limited to:

• Solar Photovoltaics (PV): assessing site suitability, DNO liaison, consents, energy yield, and system design for clean, on-site electricity generation
• Wind Energy Assessments: evaluating wind resource potential, turbine placement, and grid connectivity for optimal performance.
• Heat Pump Feasibility and Design: analysing building heat demand and environmental conditions to design efficient, low-carbon heating systems.
• Project Management for Renewable Systems: coordinating all aspects of project delivery—from feasibility through commissioning—to ensure seamless execution.

Each solution is backed by detailed modelling, financial analysis, and strategic advice to help you make informed investment decisions and future-proof your energy strategy.

Industrial & Commercial Energy Solutions

We support our most energy intensive organisations in decarbonising operations, improving energy performance, and building long-term resilience. Our tailored solutions help you reduce emissions, manage costs, and future-proof your business in an evolving energy landscape. We offer the following solutions, as well as many others:

• Heat Network Design and Feasibility Studies: designing efficient thermal energy distribution systems, from initial concept to technical and economic viability
• Energy Saving Opportunity Scheme (ESOS): assisting large organisations in achieving compliance and cost savings through ESOS, alongside Action Plan and Annual Review support
• Industrial Decarbonisation Strategy Development: crafting bespoke roadmaps to reduce carbon emissions across complex industrial processes and operations
• Heat Recovery Solutions: identifying opportunities to capture and reuse waste heat, improving system efficiency and lowering energy bills
• Alternative Fuels and High-Temperature Heat Pumps: exploring innovative technologies to replace fossil fuels and meet high-grade process heat demands
• Carbon Capture and Storage (CCS) Integration: assessing the potential for CCS technologies to support decarbonisation in energy-intensive sectors

Our integrated approach combines technical engineering expertise with strategic planning to ensure practical, scalable, and sustainable outcomes for your business.

Public Sector Decarbonisation Solutions

We support public sector organisations on their path to net zero through practical, evidence-based decarbonisation strategies.

As one of only six Approved Technical Assessors, our team of energy specialists have extensive experience advising and supporting the public sector. The Arthian team undertake technical due diligence for submitted applications that support funding operations such as the Public Sector Decarbonisation Scheme (PSDS) and the Low Carbon Skills Fund (LCSF). This experience gives us valuable insight into the challenges and opportunities public sector organisations face when it comes to decarbonisation, as well as insight into funding bodies themselves – giving us experience helping clients achieve funding, and the decarbonisation results that come with it.

Whether you’re just starting out or looking to accelerate progress, our solutions are designed to deliver meaningful carbon reductions and long-term resilience. We offer the following services, alongside other public sector decarbonisation solutions:

• Energy Efficiency Surveys: often the first step toward decarbonisation, our team conducts detailed on-site assessments to identify energy-saving opportunities across systems, equipment, and operations – giving a clear roadmap to the next steps
• Heat Decarbonisation Plans (HDPs): developing strategic, site-specific plans to transition away from fossil fuel heating, tailored to your buildings and operational needs
• Detailed Design and Tender Specification and Project Management Support: developing performance specifications, detailed drawings (up to RIBA 4), DNO appraisals, planning support along with Project Management and Technical Design support to enable successful project delivery
• Net Zero Strategy and Implementation: creating clear, actionable roadmaps to Net Zero, including baseline assessments, target-setting, interventions, and delivery frameworks
• Public Sector Decarbonisation Support: working closely with local authorities, NHS Trusts, universities, and other public bodies to access funding, meet policy targets, and deliver low-carbon projects

Our team combines technical engineering insight with strategic planning expertise to help you take confident steps toward a low-carbon future—balancing environmental responsibility with operational and financial performance.

Energy Compliance

Navigating energy legislation and compliance requirements can be complex—but it’s essential for meeting legal obligations, avoiding penalties, and improving energy performance. Our team provides expert guidance and practical support to ensure your organisation remains fully compliant.

• TM44 Air Conditioning Inspections: conducting mandatory inspections of air conditioning systems to assess efficiency, identify improvement opportunities, and meet legal requirements.
• Energy Performance Certificates (EPCs): producing accurate EPCs for commercial and domestic buildings, helping you understand energy ratings and meet property transaction requirements.
• Display Energy Certificates (DECs): generating DECs and Advisory Reports for public buildings, providing visibility into operational energy use and areas for improvement.
• Minimum Energy Efficiency Standards (MEES): advising on how to meet MEES requirements for lettable properties, including improvement strategies to avoid non-compliance and unlock asset value.
• Building Energy Compliance Assessments: supporting compliance with Part L, SBEM, SAP, and other building regulations during design, construction, and operation phases.

With a strong understanding of UK compliance frameworks and industry standards, we provide reassurance and clarity—helping you meet your obligations while improving building performance.

Energy Analysts

With a focus on taking the most complex of data and simplifying it to create meaningful and practical outcomes, our analytical specialists support across all our divisions.  Measurement and Verification, IPMVP certified, scientific and engineering backgrounds, our analysts are key to the support of our clients and partners.

• Measurement & Verification; IPMVP certified, our analysts will calculate and report your energy savings from energy efficiency measures. M&V takes an evidence based approach to provide accuracy and confidence in project implementation.
• Transport Audits; as part of your environmental compliance, scope 3 emissions or where transports forms a large part of your business model, our analysts can support to provide an understanding of your strategy to decarbonise fuel, understanding baselines and highlighting opportunities to save energy and carbon.
• PVsol Design; a detailed tool to review shading and performance from Solar PV installations.  Our analysts can design a solar PV system through our tools and platforms.
• Data Collection & Data Sorting; data is critical to energy management, understanding baselines, expected savings, forecasting and verifying that your activities are contributing towards decarbonising strategies.  Data can be complex and taken from utility invoicing, portals, databases, suppliers and third parties.  Our analytical team can sort the data, understand the gaps, utilise benchmark techniques and fill the gaps to create an accurate account of your data.