Onsite Business Assessment for Energy Efficiency

• The audit is split into sections and each section has questions relating to observed practice related to energy efficiency.
  
  These questions are based on improvements to behavioural change and for capital implementation to achieve best practice.
  

• Customer name (to appear in title)

• Account name

• Account number

• Location
  Address

• Conducted on

  Date

• Prepared by

• Audit attendees

• Document No.

Benchmarking

• Education

  Select 8010 Preschool Education 8021 Primary Education 8022 Secondary Education 8023 Combined Primary and Secondary Education 8024 Special Education 8100 Tertiary Education 8101 Technical and Vocational Education and Training Other

  • 8010 Preschool Education
  • 8021 Primary Education
  • 8022 Secondary Education
  • 8023 Combined Primary and Secondary Education
  • 8024 Special Education
  • 8100 Tertiary Education
  • 8101 Technical and Vocational Education and Training
  • Other

• Provide ANZSIC code and descriptor

• Key Business Activity Indicator Enter number of students and staff (specify reporting year)

  Select 2012-13 2011/12 2010/11 Other

  • 2012-13
  • 2011/12
  • 2010/11
  • Other

• 2012/13

• 2011/12

• 2010/11

• Please enter number of students and staff (and specify desired reporting year)

Energy consumption

• Energy consumption

  Select Electricity Gas Other

  • Electricity
  • Gas
  • Other

• Electricity Quantify annual consumption in kWh. If possible, provide total cost of electricity.

• Natural Gas Quantify annual consumption in GJ. If possible, provide total cost of natural gas.

• Specify other energy inputs

• a. State resource; and b. Quantify annual consumption (provide appropriate SI unit as well as total cost of consumption).

Carbon impact

• Impact Greenhouse gas emitted from energy use (in kg CO2-e/year)

  Select Define carbon source Total greenhouse gas emission

  • Define carbon source
  • Total greenhouse gas emission

• Impact
  Greenhouse gas emitted from energy use (in kg CO2-e/year)

• a. State resource; and b. Greenhouse gas emissions in kg CO2-e/yr

• Total greenhouse gas emission (in kg CO2-e/year)

Energy Overview

• How important is energy management to the site? 1 being lowest, 10 the highest importance

• Does the site monitor it's energy use, including sub metering (or have an energy management plan in place)?

  Yes

  No

  n/a

• What is the primary energy use across the site?

  Select Heating, ventilation and air conditioning Lighting Electrical appliances including computers and peripherals Hot water system Other

  • Heating, ventilation and air conditioning
  • Lighting
  • Electrical appliances including computers and peripherals
  • Hot water system
  • Other

• Please specify

• Has the site provided requested pre-assessment data?

  Yes

  No

  n/a

• Observations on energy contracting, ie negotiating best rates

• Observation on load shifting ie switching loads to off peak

Actions

• What type of energy saving initiatives are already implemented at the site?

• Are there any future energy saving projects planned for the site?

Lighting

• Select lighting areas that are applicable to your site

  Select Interior lighting High and low bay lighting Exterior lighting

  • Interior lighting
  • High and low bay lighting
  • Exterior lighting

• Are external lights only on during hours of darkness? (eg perimeter lights, car parks, external storage sheds etc)

  Yes

  No

  n/a

• Are there movement sensors on lighting to ensure it is off when there is no activity?

  Yes

  No

  n/a

• Did the site complete the lighting pre-assessment requirement?

  Yes

  No

  n/a

• Please find attached in Appendix 1, a breakdown of energy consumed by lighting fixtures currently installed onsite. The volume of energy consumed (in kWh/year) on lighting and percentage (%) of total energy use. State assumptions used.

• Are there any lights left on where there is no one in the area?

  Yes

  No

  n/a

• Are there movement sensors on lighting to ensure it is off when there is no activity?

  Yes

  No

  n/a

• Are levels of lighting suitable in the areas being assessed?

  Yes

  No

  n/a

• Are there lights that are not functional?

  Yes

  No

  n/a

• Tip

  Lights are usually there for a good reason and if not functional (and not required) they should be removed or safely decommissioned. Lights are not functional could, additionally, present a fire risk. If the faulty unit is a fluorescent unit, even with a failed tube, the unit is using electricity which depending upon the type could be in the range between 5 and 25%. If there are areas needing more light, consider efficient lighting. Ensure these meet the Australian Standard.

• Tip

  Too much light wastes energy, and too little can be dangerous.

• Are there areas that are over lit or where artificial lights are on when natural light could be used instead? (For example, skylights, windows etc)

  Yes

  No

  n/a

• Tip

  Consider reassessing the lighting requirements in this area and potentially reduce the number of active bulbs.

• Have you assessed options for de-lamping, dimming or multilevel switching to reduce energy consumption.

  Yes

  No

  n/a

• Is lighting low energy?

  Yes

  No

  n/a

• Tip

  Consider replacement of inefficient tungsten filament bulbs with efficient lighting options such as compact florescent tubes, use of high frequency florescent tube, lower lighting for high ceilings, where applicable. Please refer to relevant Australian standards when upgrading with more energy efficient lighting.

• Are light switches obvious? And are there sufficient light switches?

  Yes

  No

  n/a

• Tip

  Switches should be labelled to allow only the relevant lights to be switched on or switched off to help people to know where to turn the lights (or banks of lights) off when necessary.

• Are there any barriers to adopting energy saving technology, such as older sites where major lighting infrastructure changes may be difficult

  Yes

  No

  n/a

• Can you adopt voltage reduction and optimisation energy saving technologies?

  Yes

  No

  n/a

• Tip

  Voltage reduction and voltage optimisation are viable energy saving technologies, particularly for older sites where major lighting infrastructure changes may be difficult. Smaller units are designed to operate on sub-circuits and can achieve voltage reduction specific to lighting onsite. Larger units achieve less actual voltage reduction, as they are able to deliver energy savings through voltage optimisation over the entire site's electrical connected load, including heating, ventilation and air conditioning (HVAC), pumps, motors etc. Reducing voltage will reduce the amount of power drawn and reduce energy use. The larger optimisation systems can also provide improved power quality which can have a beneficial effect on the electrical infrastructure on site. Generally energy use can be reduced by 15 to 30%.

Actions

• Please consult a lighting specialist before retrofitting lighting fixtures or fittings to ensure they are fit for purpose and meet health and safety requirements.

• Recommendations from the LIGHTING Section

Action

• Energy management option

  Select Energy auditing: Assessing energy use and greenhouse emissions Energy efficiency: Apply energy efficient technologies and practises Energy conservation: Reduce energy demand Energy source selection: Use the most appropriate energy source for the application Energy reuse: reusing waste heat where applicable Other

  • Energy auditing: Assessing energy use and greenhouse emissions
  • Energy efficiency: Apply energy efficient technologies and practises
  • Energy conservation: Reduce energy demand
  • Energy source selection: Use the most appropriate energy source for the application
  • Energy reuse: reusing waste heat where applicable
  • Other

• Recommendation

• Priority Rating

  High

  Medium

  Low

General heating and cooling

• Who controls the heating and cooling controls and operation?

  Select Facilities operator Teachers Students Room occupant Other

  • Facilities operator
  • Teachers
  • Students
  • Room occupant
  • Other

• Is heating equipment regularly serviced to ensure its correct and efficient operation?

  Yes

  No

  n/a

• Is heating and cooling pipework appropriately insulated?

  Yes

  No

  n/a

• Are heating times programmed to match occupancy times? (including holidays)

  Yes

  No

  n/a

• Is heating and air conditioning in the same room operating simultaneously?

  Yes

  No

  n/a

• Please specify

• What type of heating and cooling systems can be found in the facility?

  Select Centralised Building specific Room specific Function specific

  • Centralised
  • Building specific
  • Room specific
  • Function specific

• Are heaters left on when no-one is in the area?

  Yes

  No

  n/a

• Are functioning areas heated to more than 19 deg C?

  Yes

  No

  n/a

• Tip

  Consider reducing thermostatic settings in rooms which do not require a full comfort heating. The maximum level recommended for heating offices is 19 deg C and costs rise by about 8% for each 1 degree C of overheating (Carbon Trust, UK)

• Are windows and doors used to reduce the temperature when the heating is on?

  Yes

  No

  n/a

• Tip

  Money is wasted when windows and doors are opened when the heating is on. Turning down heating can increase comfort and save money rather then opening doors or windows.

• Are thermostats and thermostatic radiator valves set to the correct temperature and then left alone?

  Yes

  No

  n/a

• Tip

  Thermostatic controls often abused by being used as on/off switches. This can result in discomfort for staff and students and money being wasted.

• Are thermostats/temperature sensors located in the right places and are settings of thermostats regularly checked

  Yes

  No

  n/a

• Tip

  Siting a thermostat in the cold and draughty place will result in overheating. Conversely, siting a thermostat near a source of heat (such as direct sunlight) may lead to under heating.

• Are there sources of unwanted heat in air-conditioned rooms?

  Yes

  No

  n/a

• Tip

  For example heat from uninsulated pipework and similar sources makes air-conditioning equipment work harder and waste money.

• Are employees using portable electric heaters?

  Yes

  No

  n/a

• Tip

  Portable Electric heaters are expensive to run and, as portable heaters are usually not fitted with time switches or thermostats, they will often be left running all day. It is important to find out why the heating is required. There are so many reasons why local heaters are put in place, and quite often it is due to local thermal air movement which can often be avoided by a simple screen to isolate the area from a movement. More long-term, and often more expensive solutions are to find the source of air movements (external doors causing air movement corridors, for example). Drafts are often perceived as being cold but the reality is that the draft is causing a chilling effect similar to free air cooling or adiabatic plant for chilled water systems.

• Are extraction fans for areas such as toilets and kitchens time controlled? And are these fans fitted with self closing shutters?

  Yes

  No

  n/a

• Tip

  Running extraction fans during periods when rooms are not occupied is generally not necessary and wastes money. Warm air is extracted from the building heating system has to work harder. Lack of shutters means cold air can enter the building when the fan is not operating

Cooling towers

• Does the site have a cooling tower installed?

  Yes

  No

  n/a

• How many cycles of concentration does the cooling tower operate under?

• Tip

  Cycles of concentration is the relationship between the quantities of blowdown water quality and make-up water quality of water supplied by City West Water, cycles of concentration of 10-15 are achievable. If you are operating at lower cycles, speak to you water treatment provider about improving the efficiency of your cooling tower.

• Do you have variable speed drives installed?

  Yes

  No

  n/a

• Tip

  A variable speed drive allows cooling towers to operate at their optimal speed, depending on the weather conditions and the level of cooling required at any given time, saving water and energy.

Actions

• Recommendations from the HEATING/COOLING Section

Action

• Energy management option

  Select Energy auditing: Assessing energy use and greenhouse emissions Energy efficiency: Apply energy efficient technologies and practises Energy conservation: Reduce energy demand Energy source selection: Use the most appropriate energy source for the application Energy reuse: reusing waste heat where applicable Other

  • Energy auditing: Assessing energy use and greenhouse emissions
  • Energy efficiency: Apply energy efficient technologies and practises
  • Energy conservation: Reduce energy demand
  • Energy source selection: Use the most appropriate energy source for the application
  • Energy reuse: reusing waste heat where applicable
  • Other

• Recommendations

• Priority rating

  High

  Medium

  Low

Hot water system

• Is the temperature of the hot water set to just over 60 degC?

  Yes

  No

  n/a

• Tip

  Many companies overheat the hot water - every 10 degrees C reduction in hot water temperature saves 15% of energy. However, it's important not to reduce the temperature of stored hot water below 60 degrees C due to the risk of legionella.

• Are hot water systems turned off during holiday periods and shut downs?

  Yes

  No

  n/a

• Is hot water being used when cold water would be equally effective? (For example washing floors and rinsing)

  Yes

  No

  n/a

• Are hot water pipes and cylinders appropriately insulated?

  Yes

  No

  n/a

• Are boilers and related valves, flanges and pipework insulated to prevent heat loss?

  Yes

  No

  n/a

• Are there any signs of leaks for the hot water heating system?

  Yes

  No

  n/a

• Are hot water heating systems serviced regularly?

  Yes

  No

  n/a

Actions

• Recommendations from the WATER Section

Action

• Energy management option

  Select Energy auditing: Assessing energy use and greenhouse emissions Energy efficiency: Apply energy efficient technologies and practises Energy conservation: Reduce energy demand Energy source selection: Use the most appropriate energy source for the application Energy reuse: reusing waste heat where applicable Other

  • Energy auditing: Assessing energy use and greenhouse emissions
  • Energy efficiency: Apply energy efficient technologies and practises
  • Energy conservation: Reduce energy demand
  • Energy source selection: Use the most appropriate energy source for the application
  • Energy reuse: reusing waste heat where applicable
  • Other

• Recommendations

• Priority rating

  High

  Medium

  Low

Electrical

• Are all computers, printers, and associated equipment switched off when not in use? (Especially monitors left in standby)

  Yes

  No

  n/a

• Are photocopiers switched to stand-by mode when not in use for long periods?

  Yes

  No

  n/a

• Are domestic appliances energy star compliant?

  Yes

  No

  n/a

• Are all seals on refrigerators, freezers etc in good condition?

  Yes

  No

  n/a

Actions

• Recommendations from the ELECTRICAL Section

Action

• Energy management option

  Select Energy auditing: Assessing energy use and greenhouse emissions Energy efficiency: Apply energy efficient technologies and practises Energy conservation: Reduce energy demand Energy source selection: Use the most appropriate energy source for the application Energy reuse: reusing waste heat where applicable Other

  • Energy auditing: Assessing energy use and greenhouse emissions
  • Energy efficiency: Apply energy efficient technologies and practises
  • Energy conservation: Reduce energy demand
  • Energy source selection: Use the most appropriate energy source for the application
  • Energy reuse: reusing waste heat where applicable
  • Other

• Recommendations

• Priority rating

  High

  Medium

  Low

Compressed air

• Are there signs of compressed air leaks?

  Yes

  No

  n/a

• Tip

  Automatic water drain taps, valves (or manual drain valves), connections, pipework, cylinders on equipment etc can all be a source of leakage. If these leaks are audible during normal production then they are serious and should be labelled for immediate rectification.

• Is unused compressed air pipework isolated?

  Yes

  No

  n/a

• Tip

  Unless correctly isolated, redundant runs of pipework have to be pressurised each time the line is pressurised, wasting energy.

• Is compressed air generated at the minimum required pressure?

  Yes

  No

  n/a

• Tip

  Typical pressures are 7 bar or higher. If pressure is reduced by 1 bar, then costs can be reduced by 4%.

• Are compressed air guns operating at low pressures?

  Yes

  No

  n/a

• Tip

  Operating compressed air guns to 2 bar (30 psi) from the 7 bar normal pressure, will reduce operational costs by 60%.

• Are air compressors running continuously?

  Yes

  No

  n/a

• Tip

  When there is no demand for air then compressors should shut down, they should be turned off during shutdowns etc.

• Is the air intake for compressors taken directly from outside?

  Yes

  No

  n/a

• Tip

  Compressors operate more efficiently using cool air, this could reduce operational costs by up to 3%.

• Is the air treatment system regularly inspected and maintained?

  Yes

  No

  n/a

• Is the heat generated by the compressor recovered or used?

  Yes

  No

  n/a

• Tip

  90% of the energy used by a compressor is turned into heat.

Actions

• Recommendations from the COMPRESSED AIR Section

Action

• Energy management option

  Select Energy auditing: Assessing energy use and greenhouse emissions Energy efficiency: Apply energy efficient technologies and practises Energy conservation: Reduce energy demand Energy source selection: Use the most appropriate energy source for the application Energy reuse: reusing waste heat where applicable Other

  • Energy auditing: Assessing energy use and greenhouse emissions
  • Energy efficiency: Apply energy efficient technologies and practises
  • Energy conservation: Reduce energy demand
  • Energy source selection: Use the most appropriate energy source for the application
  • Energy reuse: reusing waste heat where applicable
  • Other

• Recommendation

• Priority rating

  High

  Medium

  Low

Summary of actions

• In summary

• Attach media

  Media

• AiGroup's Energy Efficiency Assist Program has developed a series of short videos covering topics such as energy efficiency, optimisation and management as well as energy saving technologies/options as well as an energy calculator. These resources are available at www.energyefficiencyassist.com.au/onlineinteractivetools

• 
  www.energyefficiencyassist.com.au/onlineinteractivetools

Document history

• Customer review

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• Resource Management Consultant Review

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