The Green Consultancy Ltd

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The Green Consultancy Ltd in Avon

The Green Consultancy is a leading independent specialist in energy and environmental management and has been providing an extensive range of services to organisations of all types UK-wide since 1992. 

We provide practical and sustainable solutions to energy and environmental needs to reduce costs and minimise impacts.

Our valued clients include: 

  • A wide range of manufacturers
  • Local authorities,
  • 250 educational institutions including 56% of all UK universities
  • Over 90 NHS Trusts

They typically have annual energy consumptions in the range £100,000 to £20,000,000. 


more information on The Green Consultancy Ltd clients

The Green Consultancy Ltd in Avon

Air Conditioning Inspections

Under the Energy Performance of Buildings Directive (EPBD), Air Conditioning must be inspected by a qualified assessor at intervals not exceeding five years to assess efficiency, review sizing and advise on improvements or replacements and alternative solutions. 

For England and Wales, the deadline for the first inspection of buildings with systems with an effective rated output totalling greater than 12kW is 4 January 2011

Inspections must be by an accredited person who should NOT also be responsible for plant maintenance due to the conflict of interest. 

The purpose of these inspections is to identify opportunities for energy/carbon saving which can be very significant - typically 20-70% with payback periods from 18 to 36 months.  Savings opportunities relate to issues such as: 

  • Excessive supply or extraction of air
  • Optimum use of outside air – free cooling
  • Excessive system resistances
  • Change in area usage
  • Zoning and time schedules
  • Fan motor and drive efficiency
  • Heating and cooling efficiency
  • Heat recovery
  • Control sensor drift

For more information on Air Conditioning Inspections

BREEAM - Buildings

Building Research Establishment’s Environmental Assessment Method

Sustainable construction is becoming increasingly important and a BREEAM assessment is recognised as the measure of best practice in environmental design and management.

BREEAM (Buildings) assesses the environmental performance of any type of building (new and existing).  Standard BREEAM versions exist for common building types and less common building types are assessed against tailored criteria under BREEAM Bespoke.

BREEAM assessments are routinely required for publicly funded developments and will assist in obtaining planning consent for any development.  Many government departments, including regional development associations, the Housing Corporation and English Partnerships, now expect a minimum Very Good rating for all new buildings.  The Welsh Assembly insists on Excellent.

Issues assessed by BREEAM (Buildings) fall into eight categories: 

  • management: overall policy, commissioning site management and procedural issues

  • energy use: operational energy and carbon dioxide (CO2) issues

  • health and well-being: indoor and external issues affecting health and well-being

  • pollution: air and water pollution issues

  • transport: transport-related CO2 and location-related factors

  • land use & ecology: ecological value conservation and enhancement of the site

  • material & waste: environmental implication of, including life-cycle impact

  • water: consumption and water efficiency

Building Management System (BMS)

A Building Management System controls and monitors a building’s mechanical and electrical equipment such as air handling and cooling plant systems, lighting, power systems and security systems. 

In particular, a properly functioning BMS is crucial to minimising energy consumption in large buildings.  Yet most organisations’ BMSs are seriously sub optimal for one or more of the following reasons. 

  • Incorrect specification or changes in the organisation that have rendered the specification obsolete
  • Installed by engineers that didn’t properly understand what they are doing nor the client’s needs
  • Settings not updated to suit changing patterns of building use
  • A lack of training to use it – or that person left without training a successor
  • Inadequate maintenance

In many buildings, tens of thousands of pounds worth of equipment is failing to deliver the overall 15-20% energy savings that a well specified, installed, maintained and operated BMS should be delivering. 

The Green Consultancy provides a comprehensive range of services to ensure that old or new BMSs are working at peak efficiency and delivering the management information that you need.

Carbon Footprinting

Ten years ago Carbon Footprint was an arcane term hardly ever heard; now it even features in consumer advertising for potato crisps.

A Carbon Footprint is a measure of carbon dioxide (CO2) and other greenhouse gas emissions (GHG) produced by a country, organisation, individual, event or a product.

The total annual footprint of an organisation covers a wide range of direct and indirect sources such as:  

  • Fuel use in buildings and transport (direct)
  • Gas emissions from processes (direct)
  • Power station emissions associated with electricity consumed (indirect)
  • Emissions up and down the supply chain (indirect)
  • Customer and staff travel (indirect)

Carbon Management Plan (CMP)

Carbon Management Plans are increasingly required to demonstrate intent in carbon reduction in line with government targets.  For example, the UK Higher Education Funding Councils are making university funding dependent on the production of a CMP. 

They are also essential to plan compliance with legislation such the Carbon Reduction Commitment Energy Efficiency Scheme

A CMP should identify the organisation’s current carbon emissions, together with a logical series of technical and managerial steps that must be taken in order to arrive at the required reduction target.  The optimum starting point for this is usually an Investment Grade Energy Efficiency Audit

Unfortunately, many CMPs are based on “walkthrough” surveys, which don’t get to grips with the most important energy efficiency issues, and “bolt on” projects that: 

  • Have not been holistically evaluated and/or
  • Are oversized and/or
  • Deserve a much lower priority

Carbon Offsetting

Carbon Offsetting enables any Greenhouse Gas (GHG) emitter - an individual or an organisation, to offset some or all of their annual emissions by funding an activity that will reduce emissions elsewhere.  This is done through intermediaries who channel funding to projects across the world.  Carbon offsetting is a rapidly growing practice with an ever increasing range of options available.

“The debate has moved on to what kinds of carbon offsetting have credibility, and which fall into the ‘snake oil’ category. Those that have genuine integrity are now, actually, driving a massive cottage industry around the world, which is every day reducing CO2 emissions…”  Al Gore

Carbon Reduction Commitment Energy Efficiency Scheme (CRC)

The Green Consultancy has been working for private and public sector clients since June 2009 to prepare them for CRC and to manage the ongoing requirements of the scheme. 

Our CRC services are designed to support full participants to: 

  • meet CRC legal compliance obligations
  • understand the implications behind CRC
  • integrate CRC with other aspects of the participants operations – systems, management and reporting, corporate social responsibility, financial management, energy management, facilities management

 In particular, we can: 

  • address specific aspects of CRC or all of them
  • work on a fully outsourced basis or alongside in house resources
  • act as your nominated CRC agent
  • review or create Carbon Management Plans

Climate Change Agreements (CCA)

The Climate Change Levy is a tax on the use of energy in industry, commerce and the public sector with associated offsetting cuts in employers' National Insurance Contributions and additional support for energy efficiency schemes and renewable sources of energy.

The aim of the levy is to encourage users to improve energy efficiency and reduce emissions of greenhouse gases.

Climate Change Agreements (CCA) allow energy intensive business users to receive up to 80 per cent discount from the Climate Change Levy, in return for meeting energy efficiency or carbon saving targets.

More information on Climate Change Agreements (CCA)

Display Energy Certificates (DECs)

Under the Energy Performance of Buildings Directive (EPBD), since October 2008 all buildings of 1000m2 or more, operated by publicly funded organisations to which the public have access (however limited), are required to display a DEC showing the energy performance of the building on an A to G scale as shown below.  It is based on the actual energy consumption over a 12 month period against a benchmark figure. 

An associated Advisory Report also identifies opportunities for improvement. Certificates are updated annually with a new Advisory Report every seventh year.

Non publicly funded organisations can voluntarily opt to have a DEC now and legislation is likely to be extended to non publicly funded organisations and to smaller buildings.

The Green Consultancy provides a comprehensive service and a range of options for all of your DEC needs. 

We can also add value to DECs by providing additional information and advising on actions to improve ratings. 

Energising the Workforce Workshops

One of the fastest-acting and most cost-effective measures you can take to save energy is to motivate and educate staff and surveys show 60-80% of organisations are trying to do just that.  Yours is probably one of them and maybe it is your job to make it happen. 

However well you manage energy, however energy efficient your buildings and plant are, without the active involvement of staff at all levels valuable energy will be wasted – lights left on, windows and doors open, automatic controls over ridden.  Good energy management is the job of every member of staff. 

To achieve this it helps to know something about: 

  • persuasion techniques
  • the psychology of the workplace
  • how to monitor results

 Why not spend a day improving your knowledge and skills with a small group of other like-minded people?

Energy Management Basics

Questions you need to be able answer

  • Who is responsible for managing energy efficiency?
  • How much energy is used?
  • What activities lead to consumption of energy? How can you improve your energy efficiency?
  • Have you identified what areas need to be improved or changed?
  • How much energy could you save in the long term?
  • What financial impact would saving energy have? 

To make change happen

  • Build a policy that incorporates the processes and practices you need to improve energy efficiency across the business.  This will create a mechanism to turn energy efficiency into a key performance indicator
  • Get buy in from senior management – does it really understand the benefits of making this change?
  • Communicate with staff – involve them from the outset, get their feedback and suggestions for improving energy efficiency.  The most successful change happens when everyone in the company is onboard
  • Establish clear minimum reduction targets so you have something to measure against
  • Establish reliable ways of measuring consumption and assess on regular bases – energy consumption can fluctuate seasonally depending on weather and productivity
  • Establish objectives, implement, monitor and measure and continually improve

Energy Management Systems & Reduction Verification

Energy Management Systems & Reduction Verification

A recent British Standards Institute (BSI) survey of 800 public and private sector UK organisations showed found that: 

  • 78% believe that energy management is either important or very important to their senior management team - with the key driver being to reduce cost
  • Only 50% rate their energy management practices as good or very good.
  • 65% do not have an energy management policy or conduct regular energy audits

In today’s economic climate with overheads under the microscope as never before, maximising energy efficiency offers the following benefits. 

  • Minimising costs without impacting on performance
  • Reducing environmental impact
  • Complying with legislation
  • Improving reputation with key stakeholders

Energy Performance of Buildings Directive (EPBD)

The aim of this EU Directive is to reduce the energy used in buildings as part of a Europe wide initiative to cut carbon emissions.  

It came into force on 4th January 2003 and its 15 articles are being progressively implemented by the UK Government. 

The Directive is due to be recast by the end of 2009 for implementation in 2010-11.  It is expected to be more ambitious and, for example, to include Display Energy Certificates (DECs) for smaller buildings and those in the private sector. 

The Green Consultancy provides efficient and competitive services for compliance with all three aspects of the Directive.

Energy Performance Certificates (EPCs)

Under the Energy Performance of Buildings Directive (EPBD), since October 2008 anyone selling commercial buildings of 1000m2 or larger or renting space of 1000m2 or larger to a new tenant has to provide an EPC which shows the intrinsic energy performance of the building on an A-G scale as shown below.

The Green Consultancy provides a full EPC service with quick and responsive turnaround.

More information on Energy Performance Certificates (EPCs)

Energy Performance of Buildings Directive (EPBD)

The aim of this EU Directive is to reduce the energy used in buildings as part of a Europe wide initiative to cut carbon emissions.  

It came into force on 4th January 2003 and its 15 articles are being progressively implemented by the UK Government. 

The Directive is due to be recast by the end of 2009 for implementation in 2010-11.  It is expected to be more ambitious and, for example, to include Display Energy Certificates (DECs) for smaller buildings and those in the private sector. 

The Green Consultancy provides efficient and competitive services for compliance with all three aspects of the Directive.

For more information on Energy Performance of Buildings Directive (EPBD)

Energy Purchasing & Invoice Validation

In today’s volatile and internationally driven energy markets, our clients greatly value the reliability, knowledge, guidance and understanding that we provide.  The Green Consultancy delivers Energy Purchasing & Invoice Validation in partnership with a leading Energy Purchasing Consultancy.  They have been providing these services since 1986 and:

  • Were the first in the UK to introduce a ‘retainer fee’ approach to charging clients.  Many competitors offer ‘free’ services with hidden costs, but the retainer-fee approach allows clients to enjoy the full benefit of the cost savings that the services deliver
  • Provide honest, independent, intelligent and friendly advice covering electricity, gas, water and alternative energy sources across all sizes of portfolios, from single site to multi site, and across all manner of operations
  • Work hard to manage clients’ risks, ensuring transparency, delivering protection from bullish markets and benefit from bearish markets
  • Enjoy exceptionally strong relationships with senior management at all major suppliers, which helps to deliver outstanding negotiation results for clients
  • Have over 300 clients who, between them, have over 20,000 sites

For more information on Energy Purchasing & Invoice Validation

Energy Status Review

This is a valuable starting point for organisations needing an independent assessment of their energy use and management before considering more detailed investigations.  

It is particularly suited to large multi site organisations, addresses all aspects of building energy consumption and associated carbon emissions and includes: 

  1. Identification of client objectives
  2. Assessment of current energy use and management
  3. Gap analysis
  4. Report on findings and how to achieve the objectives

 The work includes: 

  • Brief inspection of major plant and BMS systems (at largest sites)
  • Review of energy consumption data
  • Review of any current Display Energy Certificates and other relevant previous reports
  • Review of Policies, Strategies and relevant projects already implemented

Energy Surveys

Regular, professionally conducted energy surveys are a basic requirement for any well managed organisation in the same way that financial audits are. 

Typically undertaken every 3 years, or when a particular need is identified, a survey should cover all major areas of energy use, and identify opportunities for the adoption of cost effective measures for reducing energy consumption and carbon dioxide emissions. 

In most cases average energy savings of around 20-30% are identified with payback periods within about 2-years.

Environmental Auditing

An Environmental Audit is a method of measuring the environmental impacts of an organisation to enable decisions to be made about managing those impacts. 

The benefits of carrying out environmental audits include: 

  • Ensuring legislative compliance
  • Reducing environmental impacts
  • Reducing waste, water and energy costs – typically annual savings greater than our fee for the audit.
  • Improving relations with stakeholders
  • Providing the foundation for an Environmental Management System (EMS) such as ISO 14001 at a later date

Environmental Management Systems (EMS)

Environmental Management Systems provide a practical framework within which an organisation’s environmental impacts can be managed and comply with relevant laws and regulations. There are recognised national and international standards that provide accreditation and external recognition of the standards achieved. 

A third party certified EMS is becoming an increasingly important part of any well run organisation and demonstrates commitment and ability to properly manage environmental impacts to stakeholders.

The benefits of an EMS include: 

  • Provision of a formal, structured and systematic approach to reducing environmental impacts, engaging the entire organisation at all levels.
  • Ensure compliance with environmental legislation and regulation via a standardised approach. 
  • Save money in key impact areas by driving continuous improvement in reducing environmental impact and consequent financial risk.
  • Provide assurance of environmental performance to key stakeholders: the implementation of an EMS offers supply chain, marketing and reputational benefits. 

European Emissions Trading Scheme (EU ETS)

The EU Emissions Trading Scheme was introduced by the European Union to help meet the EU’s greenhouse gas emissions reduction targets and all large energy intensive sites are obliged to take part. Across Europe around 10,000 sites are covered accounting for 40% of total EU Greenhouse emissions.

The scheme is divided into phases and a ‘cap’ on the total amount of emissions allowed from all the installations covered by the scheme is set. This is converted into allowances - 1 allowance = 1 tonne CO2.

Allowances are distributed to installations in the scheme and they monitor and report their emissions annually.

They surrender allowances to account for their installation’s actual annual emissions. They may use all or part of their allocation and have the flexibility to buy additional allowances or to sell any surplus allowances generated from reducing their emissions below their allocation.

In the UK less energy intensive organisations will be included in a simplified carbon trading scheme, known as the Carbon Reduction Commitment from 2010 (with 2008 used as a qualifying base year).

The Green Consultancy advices companies with sites in EUETS on compliance issues and on ensuring carbon emissions are minimised to reduce cost exposure.

Investment Grade Energy Efficiency Audit

Green Consultancy “Investment Grade” Energy Efficiency Audits are more sophisticated and detailed than traditional “Walkthrough” energy surveys which rely largely on the visual identification of opportunities and do not measure the energy efficiency of systems. 

The energy consumption or efficiency of a piece of equipment or a process cannot be measured by simply looking at it.  Major opportunities with short payback periods are usually missed completely by Walkthrough surveys because they do not establish the inputs and outputs from the system or piece of equipment in order to reveal the extent of inefficiencies. 

Thus, even after implementing a valuable energy saving opportunity identified in a Walkthrough survey, a process or plant could still be less than 10% efficient.  Energy consumption within specific processes can be reduced by up to 90%, sometimes without major capital investment.

Materials for Sustainable Construction

Materials for Sustainable Construction

The Green Consultancy has a wealth of experience in delivering sustainability in construction and is able to guide construction professionals in: 

  • Developing tender and contract award processes that encourage innovation within your supply chain
  • Interpreting broad sustainability objectives into work package specifics to engender ownership and understanding of sustainability
  • Understanding sustainable materials selection and waste management techniques that deliver real results at no significant additional cost
  • Developing reporting and recording procedures to demonstrate sustainable construction
  • Understanding material selection and construction site management for improved worker health and reduced environmental risk

Metering, Monitoring and Controlling Utilities

Services to enable you to meter, monitor, target and control your energy and water consumption – across any number of sites

Are you in control of your energy and water consumption?  Do you have consumption and waste emission information: 

  • At your fingertips?
  • In real time?
  • In detail?
  • In a convenient and manageable format?


  • Can you control key consumption parameters remotely and automatically?

Monitoring & Targeting Workshops

Monitoring & Targeting (M&T) is a management system that should be central to any effective programme of energy management.  It will:

  • Show you how, where and when energy is being used
  • Alert you to unexpected excess consumption
  • Enable you to target and drive down consumption
  • Provide objective estimates of savings you have achieved
  • Help you forecast energy demand 

For more information see: Metering, Monitoring and Targeting (MMT)

New Build/Refurbishment - Low Carbon Design Advice

A new Build or major refurbishment is a critical opportunity to design in energy savings – savings that will last for the lifetime of the building. Decisions made at the design stage will have significant cost implications over the life of the building.

Lifetime energy costs are far greater than design and build costs and making the right choice has the potential to save you a substantial sum. Retrofitting energy efficiency measures into an already designed building can only be done to a limited degree and at a much higher cost.

It is also crucial to future-proof the building to be fit for purpose as average temperatures rise and extremes of weather become progressively more frequent.

More information on New Build/Refurbishment - Low Carbon Design Advice

Organisational Development for Sustainability

The change from unsustainable practices to sustainable practices involves embedding carbon reduction and other strategies into the organisational culture – it means changing “the way we do things around here.”  The Green Consultancy offers assistance with identifying the organisational development implications of the new strategy including the implications for people development, recruitment and retention. 

Strategy Implementation 

When the strategy has been developed and adopted, we can help to plan the roll out of the strategy across the organisation including producing a communications plan, a training and development programme and a monitoring and evaluation process. 

Executive and Leadership Coaching

Where individual senior managers or leadership groups have responsibility for implementing the strategy and achieving outcomes, we can provide individual or team coaching, providing ongoing support to ensure that change happens, that obstacles are identified and solutions found to overcome them.  Feeding learning from the coaching experience back into the organisation ensures opportunities for organisational learning and further development.

Outsourced Energy Management

A key to controlling energy consumption and costs is to have a dedicated and appropriately skilled and experienced energy manager. 

The Green Consultancy can provide: 

  • Additional support to in-house staff or
  • An outsourced energy manager on an ongoing or temporary basis to an agreed brief for as many days a month as you need

It is not easy to effectively combine an energy management role with other responsibilities.  There is also a national shortage of skilled and experienced energy managers making this a difficult position to recruit.

Policy & Strategy for Energy, Carbon & Sustainability

The increasing importance of Environmental Sustainability issues in general, and Energy/Carbon in particular, to the success of any organisation makes Policies and Strategies in this field essential.

To be effective it is vital that such policies:

  •  Come from the top of your organisation and are demonstrably robust and not “greenwash”
  • Include measurement, targets and performance
  • Are backed up by processes and systems for implementation with specific responsibilities identified
  • Are communicated to all stakeholders – customers, staff, students (in the education sector), shareholders, etc

With the arrival of the Carbon Reduction Commitment it is essential that organisations have Carbon Policies rather than Energy Policies because it is Carbon that must be managed in order to comply with the legislation.

The Green Consultancy provides a comprehensive service to help you agree, produce, implement and keep updated high quality practical Energy/Carbon and Environmental Sustainability Policies and Strategies.

Pollution Prevention & Control (PPC)

Pollution Prevention and Control is a regulatory system that employs an integrated approach to control the environmental impact to air, land and water of emissions arising from industrial activities.  From 6 April 2008 it has been incorporated into the framework of the Environmental Permitting Regulations (EPR) and was previously known as Integrated Pollution Prevention and Control (IPPC). 

It involves determining the appropriate controls for industry to protect the environment through a single permitting process.  In the context of the regulations emissions are defined as being the direct or indirect release of substances, vibration, heat or noise from individual or diffuse sources in an installation into the environment.

For more information Pollution Prevention & Control (PPC)

Project Development and Implementation

When we have identified cost effective ways to reduce energy consumption and minimise carbon emissions our support may continue to implement the recommendations you want to take forward, including:  

  • Feasibility studies
  • Design specifications
  • Detailed design
  • Supplier and equipment sourcing
  • Tendering
  • Implementation project management 

in relation to any energy technologies such as:  

  • Chilling and Refrigeration
  • Combined Heat & Power (CHP)
  • District Heating
  • Heat Pumps
  • Photovoltaics
  • Solar Water Heating
  • Steam generation, distribution and use
  • Wind Turbines

Smart Metering Implemention Workshops

How this workshop will help you

You will find this workshop useful if you have a number of buildings and want to collect data automatically from their utility billing meters (gas, electricity or water).

Unlike free talks you can hear at industry exhibitions, this workshop will cover everything that you need to know to make informed decisions.  You will be working in a small informal group with plenty of opportunity for questions, and the content will be completely objective with no selling. 

You will learn, among other things:  

  • What benefits you can expect from prompt access to detailed consumption data 
  • Why you need not necessarily drown in it 
  • Effective data visualization techniques 
  • How to evaluate likely cost-effectiveness 
  • How the metering and data-collection industry is set up 
  • The downside of ‘free’ installation by your energy supplier 
  • The advantages of independent providers, and how to find one 
  • What pitfalls you will need to avoid – and how 
  • What your obligations are as a customer 
  • The other parties and what their obligations are 
  • Project timescales and realistic deployment rates

Thermal Imaging

Thermal Imaging or Thermography is the process of using a special camera that sees heat rather than light by way of Infra Red (IR) energy waves.

Thermal Imaging of Buildings

Thermal Imaging is ideal for detecting heat escaping from buildings due to failures such as: 

  • Damaged or inadequate insulation
  • Flat roof leakage
  • Wasteful heating, ventilation and cooling
  • Cold storage thermal gain
  • Failed seals

Training & Awareness

The behaviour of staff and other users (students, patients, customers etc) and their awareness of energy play a key part in reducing energy consumption. It is estimated that up to 20% of total energy can be saved by adopting and maintaining best practice.

Undertaking an appropriate range of specific training and broader awareness raising will contribute substantially to any plan to reduce energy consumption and environmental impact in general.

The Green Consultancy provides a wide range of training services - technical and/or inspirational - tailored to suit the needs of each client and options include:  

  • Energy awareness training for non-technical staff – and students
  • Training Energy Champions
  • Technical training to suit the needs of individual departments or sites.
  • Train-the-trainer for very large or multisite organisations – for example for regional managers or factory supervisors
  • Training aimed at senior managers
  • PowerPoint presentations to form part of the induction process for organisations with a large staff turnover
  • Input into web-based energy awareness tools – for example for universities
  • Support for energy awareness campaigns

Travel Planning

A tailored range of travel and access management services to deliver sustainability objectives 


A Travel Plan enables an organisation to manage and deliver its sustainable transport objectives through positive action. The plan provides a long-term management strategy, and is articulated in a document that is regularly reviewed.

A Travel Plan typically focuses on day-to-day journeys made by staff and visitors to a particular site, but can be used to manage any travel related activities including business travel, fleet operations and deliveries.  The plan involves the identification of a set of objectives with explicit outcomes linked to an appropriate package of measures aimed at enabling travel by a range of modes and encouraging more sustainable travel. Carbon reduction objectives can be addressed by tailoring measures to reduce the carbon intensity of travel.

Verification of Energy Savings Workshop

When energy-saving projects are carried out, it is important to check how effective they have been.  This is evidently true where there are contractual consequences, but it can be equally true where there are not.  Rigorous evaluation increases trust, and enables you to discriminate between ineffective projects and those which deserve to be replicated.  It can identify projects which have failed because of some minor issue which can be readily resolved.  A proposal for a project becomes much more credible, and is far likelier to attract funding, if it is known that its results will be exposed to thorough scrutiny. 

In this half-day ESTA workshop, energy monitoring and targeting expert Vilnis Vesma presents a rational model for the evaluation process.  Using a mix of presentations, examples and numerical exercises he covers the following topics: 

  • Why objective evaluation is important
  • Performance models: the simple but effective approach
  • Direct and indirect measurement 
  • Before-and-after testing 
  • On-off testing 
  • Dealing with uncertainty in data and conclusions

Voltage Reduction and Regulation

The voltage at which a particular item of plant and machinery is supplied can have a significant effect on its efficiency and operation.  Historically, the supply voltage in the UK was 240-volts (phase to earth) but since European Union harmonisation regulations came into force this has been reduced to 230-volts. 

In reality, there has been no change: the range of acceptable voltages has simply been widened to accommodate the lower “Continental” voltage and the actual UK limits are now 230-volts minus 6% (216.2-volts) to plus 10% (253-volts).  All equipment sold within the EU has to be capable of operating throughout this range of voltages. 

Numerous site investigations have shown that the supplied voltage does, in fact, vary from less than 220-volts on some sites to over 250 on others, and in some cases the statutory limits are being breached.

For more information on Voltage Reduction and Regulation

Walkthrough Energy Surveys

Our consultant conducts a visual survey of your site looking at all aspects of energy consumption – for example: 

  • Lighting
  • Computing
  • Space and water heating
  • Ventilation and Air Conditioning
  • Compressed air
  • Refrigeration
  • Steam systems and boiler plant
  • Industrial processes

 Particular attention is paid to the equipment and processes that consume the greatest amount of energy. 

Potential energy saving opportunities are identified and quantified using historical energy consumption information – and payback periods are estimated for each opportunity. 

Half-hourly energy consumption data is used where available because this gives far more information on how energy is used – in particular that wasted at night and during weekends. 

Recommendations may include how additional management effort should be directed, measures to improving staff performance and additional sub-metering.

Water Saving

Water Saving

Like energy, water is an increasingly scarce and expensive resource.  It is also a metered utility like energy and has associated carbon emissions due to the large amount electricity used to process and distribute it.  

The Green Consultancy provides a comprehensive service to minimise your water consumption and costs. 

In particular, we can: 

  • Carry out a water audit (more cost-effective if carried out with energy audit)
  • Provide support to implement recommendations
  • Detect and repair leaks
  • Obtain water and waste leak rebates from water companies

Funding and Incentives

The Green Consultancy advises on sources of funding, incentives and capital allowances towards the cost of undertaking work to reduce energy consumption. 

To encourage the deployment of additional small scale low carbon energy generation, particularly by organisations, businesses, communities and individuals, the Government is introducing two incentive ‘Clean Energy Cashback’ tariffs: FITs and RHI. 

Some grant schemes have closed for good, for example: Low Carbon Buildings Programme and Bio Energy Capital Grant Scheme.  Others are currently closed to new applications: HFCE Revolving Green Fund and Salix, and future plans are uncertain. 

Brief descriptions of the following schemes are given below.  For more information please contact Michael Webb.  

  • Carbon Trust Funding for Consultancy - in Wales, Scotland and Northern Ireland only
  • Enhanced Capital Allowances (ECAs)
  • Feed-In Tariffs (FITs)
  • HEFCE Revolving Green Fund for Higher Education institutions
  • Renewable Heat Incentive (RHI)
  • Salix Finance

More information on Funding and Incentives

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