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Previous case study

HVAC ENERGY SAVING PROJECTS, IDENTIFIED THROUGH ESOS AUDIT

Client: Global Pharmaceutical Manufacturer | Location: United Kingdom | Sector: PHARMACEUTICAL MANUFACTURING

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Previous case study

PROJECT BRIEF

EECO2 performed an ESOS audit, feasibility study and completed energy saving projects on a client site, which focussed on the buildings HVAC systems.

The Energy Savings Opportunity Scheme (ESOS) is the UK’s response to Article 8 of the European Commission’s Energy Efficiency Directive. It is a mandatory energy assessment scheme for organisations in the UK that meet the qualification criteria. The aim is to cut carbon emissions, by requiring large businesses to identify energy reduction measures and make energy savings. ESOS assessments are audits of the energy used by their buildings, industrial processes and transport to identify cost-effective energy saving measures.

METHODOLOGY

The journey began with EECO2 performing an ESOS Energy Audit at the customer site. This provided a list of potential projects which would improve energy efficiency on the site.

EECO2 were then commissioned to perform a feasibility study, which showed the solutions and potential savings were feasible and could go forward and be implemented.

EECO2 focussed on the energy consumption within the warehouse and production buildings and so they were fitted with sensors to allow EECO2 to monitor the energy usage through a Mobile Energy Monitoring Unit (MEMU).

The MEMU is a unique metering solution, specifically developed to monitor the energy performance of pharmaceutical HVAC systems. It enables clients to view energy consumption and costs of individual HVAC systems on a real-time basis. The system enables a detailed view of heating, cooling and fan power energy consumption.

The agreed projects were implemented in order to reduce energy consumption, whilst maintaining quality, safety and regulatory requirements.

After the implementation of the projects, EECO2 measured the actual data of consumption via the MEMU and were able to calculate the amazing results that showed exactly what the EECO2 projects had achieved so far for the site.

SOLUTION

EECO2 completed an outline scheme design, engineering & commercial feasibility study that determined a more accurate cost and saving estimate to implement demand-based ventilation schemes in the warehouse and production buildings.

Warehouse – AHUs 1 & 2 fan utilisation and out-of-hours airflow setback

Warehouse – AHU 3 essential repairs and out-of-hours setback function

Production – temperature demand-controlled ventilation and out-of-hours setback

RESULTS

Energy savings identified (per year):

Energy savings identified (per year):

2.5 MWh

17% reduction in site energy consumption

Energy cost savings identified (per year):

Energy cost savings identified (per year):

£ 180,000

15% reduction in site energy costs

Emissions reduction (per year):

Emissions reduction (per year):

720 tonnes

of CO2

The project had a simple payback period of 0.8 years

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