Carbon Reduction Renewables optimised energy solution can avoid upfront
costs, as well as providing a guaranteed return on investment of just a couple of years. For the new build sector, ensuring a build- ing is constructed in such a way that it is energy efficient and uses renewable technolo- gies wherever possible, is an important part of achieving ever higher BREEAM require- ments. However, it is in the refurbishment of existing buildings where the greatest gains can be made in terms of carbon reduction.
Return on investment With so many different renewable and energy saving systems available,
it is essential to
work with an energy management partner who is experienced in selecting an integrated set of products and services that will ensure long term energy efficiency and lower run- ning costs. What is fundamental is that these systems must be able to guarantee reduced energy consumption, whilst providing a pre- dictable and attractive return on investment, which makes it even more attractive to build- ing owners. It must also be the case that these systems can be implemented within a busy working environment to ensure any down-
“These systems must be able to guarantee reduced energy consumption, whilst providing a return on investment”
time is minimised. When it comes to assessing an existing building for the viability of renew- able systems, we first conduct a survey which can be done using a smart meter monitoring system, or creating a Thermal Profile of the building utilising Digital Thermal Modelling Software. Elements such as the building’s shape, form, orientation and openings are linked to the surrounding climate and its ther- mal, light and airflow properties. Building owners then have the option to commission a more extensive survey of the services that illuminate, heat, cool and control the occupied building. The survey is designed to identify areas of improvement within the premises in order to recommend energy sav- ing solutions that will meet the client’s short or long term goals. The subsequent report produced should highlight the main recom- mended technologies to be incorporated and potential electrical and HVAC system upgrades required to maximise savings. The survey should be able to determine the savings in energy and cost, which allows the project to be assigned a return on investment (ROI), therefore enabling building owners to make sound investment decisions. The avail-
30 | Sustainable Business | January/February 2012
Example 1
Energy savings proposal cost, ROI guaranteed (18 months)
Loan (over 24 months): Interest on loan @5% p.a.
Total borrowed:
Energy savings per month: Loan repayment per month: Realised immediate savings:
Monthly savings realised after 24 months (at today’s electricity prices):
£350,000
£350,000 £35,000
£335,000
£19,444 £16,041 £3,403
£19,444
ability of self funding for renewable systems means that building owners do not have to incur upfront costs for implementing energy saving measures, which have an expected payback of two years. Using the latest tech- nology, this means that a precise profile of energy usage and loss can be developed to enable quantifiable opportunities for savings. The detailed energy usage report provides a basis for our designers to make recom- mendations relating to integration of energy saving renewable products, plus any aesthetic changes that the client may require to the building, either as a result of the work, or requested as part of general improvements. The final proposal incorporates energy usage findings, carbon emission legislation compli- ance, details of government-funded schemes, tax benefits and incentives as well as the cost implications and overall return on investment.
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