Desktop Energy Audit Report
Business name
Month Year
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Desktop Study
Energy Audit Report
On
[Business Name]
[Month Year]
ii
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
This report has been produced as part of [Business Name] Energy Management Plan.
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Table of Contents
[Do not work with the table of content now. Complete the entire report and then return
here. Select the whole table to content, right click on it, click ‘update field’, select
‘update entire table’ and click OK. It will update the section automatically]
Executive Summary ....................................................................................................................... v
1.
Introduction ............................................................................................................................ 6
2.
Site Description ...................................................................................................................... 6
2.1.
Major Energy Use Areas ..................................................................................................... 7
3.
Methodology .......................................................................................................................... 7
3.1.
Data Collection ................................................................................................................... 7
3.2.
Staff Interviews..................................................................................................................... 7
3.3.
Site Visits ................................................................................................................................ 7
3.4.
Data Analysis ....................................................................................................................... 7
3.5.
Energy Efficiency Opportunities ....................................................................................... 7
4.
Results and Discussion .......................................................................................................... 8
4.1.
Energy Consumption .......................................................................................................... 8
4.2.
Electricity Consumption ................................................................................................... 10
4.2.1.
Seasonal Variations in Electricity Consumption .................................................. 10
4.2.2.
Peak / Off-peak Consumption .............................................................................. 11
4.3.
Natural Gas Consumption .............................................................................................. 12
4.3.1.
Seasonal Variations in Natural Gas Consumption ............................................. 12
4.4.
Energy Costs ...................................................................................................................... 13
4.5.
Energy Use vs Production ................................................................................................ 14
4.6.
Greenhouse Footprint ...................................................................................................... 15
4.7.
Baseline Establishment ..................................................................................................... 16
5.
Conclusion ............................................................................................................................ 16
6.
Recommendations .............................................................................................................. 17
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Executive Summary
[Write a summary of the report with the key points. E.g:





What is this report and why it has been prepared?
What are the major activities that are being reported on?
What method was used?
What are the major findings?
Summary of recommendations.
The executive report should be concise]
v
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
1.
Introduction
[Write an introduction for the report with a description of the business and main activities,
photos, geographical situation, and any other issues important to consider for energy
management.]
Add a picture of the site plan here (if available) or a front photo of the
business
Figure 1: Front view of [Business Name]
2.
Site Description
[Briefly description of the site focusing on the site plan, its surroundings, etc.]
Add a photo of the site plan here.
Figure 2: Floor plan of {Business Name]
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
2.1. Major Energy Use Areas
[Describe the major energy usage areas, e.g. the processes/equipment that use
electricity and gas. This may include manufacturing process, refrigeration, Heating
Ventilation and Air Conditioning (HVAC), hot water system, air compressing, etc.
This could be obtained by an energy audit or by monitoring by a suitably qualified and
experienced electrician]
3.
Methodology
[Describe the method used for the energy audit/review including an analysis of historical
data, baseline establishment, observation of seasonal variation of data and comparing
them with the temperature variations, identifying the energy efficiency opportunities, staff
interview and training to understand the energy usage pattern and behavioral impact
on energy consumption.]
3.1. Data Collection
[Describe the sources of data collection and how the data were collected]
3.2. Staff Interviews
[Describe how and who were interviewed as part of the staff interview]
3.3. Site Visits
[Describe any issues/observations from the audits/review walk though.]
3.4. Data Analysis
[This section describes how the data were analysed. It is expected that data over 24
months for both electricity and gas are collected. It should also include how greenhouse
gas emission were calculated from energy data, cost estimation for different energy
types, analysis of production data and comparison of production data with energy
usage data.]
3.5. Energy Efficiency Opportunities
[Describe how the energy efficiency opportunities were identified.]
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
4.
Results and Discussion
4.1. Energy Consumption
[Write about the different sources of energy and their suppliers]
Natural Gas
23%
Electricity
77%
Figure 3: Distribution of Different Energy Sources
[Briefly describe any observation to justify the different share of the energy types. Note:
Electricity is usually the highest source of energy mainly because most of the equipment is
run by electricity.]
Table 1: Annual Energy Consumption
Period
Year 1
Year 2
Total
Electricity
Total kWh Total use (GJ) Total kWh
1,140,902
4,107
384,434
1,175,212
4,231
339,713
2,316,114
8,338
724,146
Gas
Total use (GJ)
1,379
1,103
2,482
All Energy
Sources
Total use (GJ)
5,486
5,334
10,820
8
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Figure 4: Monthly Energy Consumption
600
Energy Consumption in GJ
500
400
Gas
300
200
Electricity
100
[Briefly describe any observation to justify the variation of energy use over the different
months.]
9
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Jun-12
May-12
Apr-12
Mar-12
Feb-12
Jan-12
Dec-11
Nov-11
Oct-11
Sep-11
Aug-11
Jul-11
Jun-11
May-11
Apr-11
Mar-11
Feb-11
Jan-11
Dec-10
Nov-10
Oct-10
Sep-10
Aug-10
Jul-10
0
4.2. Electricity Consumption
[Briefly describe the trends of electricity use over the months.]
Figure 5: Monthly Electricity Consumption
120,000
Electricity Consumption in kWh
100,000
80,000
60,000
40,000
4.2.1.
Seasonal Variations in Electricity Consumption
[Describe any observations between the variation of electricity use compared to
temperature.]
10
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Jun-12
May-12
Apr-12
Mar-12
Feb-12
Jan-12
Dec-11
Nov-11
Oct-11
Sep-11
Aug-11
Jul-11
Jun-11
May-11
Apr-11
Mar-11
Feb-11
Jan-11
Dec-10
Nov-10
Oct-10
Sep-10
Aug-10
0
Jul-10
20,000
Figure 6: Energy use vs Temperature variation
120,000
35
30
25
80,000
20
60,000
15
40,000
10
20,000
5
0
Aveage Daily Electricity Use
4.2.2.
Mean Maximum Temperature
Peak / Off-peak Consumption
[Briefly describe your observations in relation to the variation of peak and off-peak
electricity consumption (if applicable). Try to relate to any cause that may have
impacted to increase or decrease the consumption of either peak or off-peak over a
certain period of time.]
11
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Jun-12
May-12
Apr-12
Mar-12
Feb-12
Jan-12
Dec-11
Nov-11
Oct-11
Sep-11
Aug-11
Jul-11
Jun-11
May-11
Apr-11
Mar-11
Feb-11
Jan-11
Dec-10
Nov-10
Oct-10
Sep-10
Aug-10
Jul-10
0
Temperature(0C)
Electricity Consumption in kWh
100,000
Figure 7: Peak and Off-Peak Electricity Consumption
120,000
110,000
100,000
80,000
70,000
60,000
50,000
40,000
Total
Peak
Off-peak
4.3. Natural Gas Consumption
[Briefly describe your observation about gas consumption. Discuss the gas consumption
as a share of the total energy consumption and try to give reasons as to why this share is
reasonable.]
4.3.1.
Seasonal Variations in Natural Gas Consumption
[Discuss here the seasonal variation that you can see from the graph below. Try to
identify the reasons for variation (if any), for example, need for more hot water in winter
season. A sudden change in the consumption could be due to introduction of a new
process line, etc.]
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Jun-12
May-12
Apr-12
Mar-12
Feb-12
Jan-12
Dec-11
Nov-11
Oct-11
Sep-11
Aug-11
Jul-11
Jun-11
May-11
Apr-11
Mar-11
Feb-11
Jan-11
Dec-10
Nov-10
Oct-10
Sep-10
Aug-10
30,000
Jul-10
Electricityu Consumption in kWh
90,000
Figure 8: Natural Gas Consumption vs Temperature
1,300
25
1,200
1,100
800
15
700
600
10
500
400
300
5
200
100
0
Average Daily Gas Usage
Jun-12
May-12
Apr-12
Mar-12
Jan-12
Feb-12
Dec-11
Nov-11
Oct-11
Sep-11
Aug-11
Jul-11
Jun-11
May-11
Apr-11
Mar-11
Jan-11
Feb-11
Dec-10
Nov-10
Oct-10
Sep-10
Aug-10
0
Jul-10
Natural Gas Consumption in kWh
900
Mean Minimum Temperature
4.4. Energy Costs
[Refer to the table and the graph below and discuss your observation on the energy cost
here. Mention how the costs of different energy sources have varied from one year to the
other. If possible, identify the causes of variations. Note if any changes in the energy tariff
during the observation period.]
Table 2: Annual Energy Use and Cost
Electricity
Period
Total use
(GJ)
Total Cost
($)
Year 1
Year 2
Total
4,107
4,231
8,338
130,787
160,578
291,366
Gas
Average
Unit Cost
($/GJ)
32
38
Total use (GJ)
Total Cost ($)
1,379
1,103
2,482
21352
20297
41649
Average
Unit Cost
($/GJ)
15
18
Total
Energy Cost
($)
152,139
180,875
333,015
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Temperature (0C)
20
1,000
Figure 9: Cost of Energy by Sources
Natural Gas
13%
Electricity
87%
4.5. Energy Use vs Production
[Describe the variation in production over the year and their impact on energy use. Note
that production may have direct impact on either the electricity or gas or both. Observe
how the energy use (electricity or gas) is varying with rate of production and identify any
reason for such a variation. Mention any issue you feel important e.g. product X is mainly
produced during October to February, which uses mostly gas and therefore, gas
consumption, has been doubled during that period.]
14
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Figure 10: Monthly Energy Usage (GJ) vs Monthly Production
450
2,500
400
Energy Consumption (GJ)
300
1,500
250
200
1,000
150
100
500
50
Electricity consumption
Gas consumption
May-09
Apr-09
Mar-09
Feb-09
Jan-09
Dec-08
Nov-08
Oct-08
Sep-08
Aug-08
Jul-08
Jun-08
May-08
Apr-08
Mar-08
Feb-08
Jan-08
Dec-07
Nov-07
Oct-07
Sep-07
Aug-07
Jul-07
0
Jun-07
0
Raw Chicken production
4.6. Greenhouse Footprint
[Discuss the greenhouse footprint details from the table below. Note the highest and
lowest sources of greenhouse gas emission and explain reasons. Variations of emissions
over the years are also important issues for discussion]
Table 3: Annual greenhouse gas emissions
Electricity
Period
2007-08
2008-09
Total
Total GHG
Total kWh emissions
(tCO2e)
1,142,432
1,074
1,173,182
1,103
2,315,613
2,177
Gas
Total GJ
1,379
1,103
2,482
Total GHG
emissions
(tCO2e)
81
71
152
All Energy
Sources
Total GHG
emissions
(tCO2e)
1,155
1,174
2,329
15
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project
Tonnes of Production
2,000
350
[Write brief notes about the different shares of the sources of greenhouse gas emission as
seen in the graph below.]
Figure 11: GHG emission by sources
Natural Gas
7%
Electricity
93%
4.7. Baseline Establishment
[This section requires careful assessment of the business’s energy environment and
relevant equipment/appliance inventory and use. Basically, a baseline year is one which
is representative of the normal activities being carried out in the business. Energy use over
a year can be affected by modification of equipment, changes in the production line,
energy efficiency improvement, etc. Apply your judgment and choose a year which
gives a good baseline in terms of energy consumption. A good tip is that if a major
equipment modification has been done (either upgrade or downgrade) choose the year
in which it has been done. If no modification of equipment has been done, choose the
year you think is best representative of common practice.]
5.
Conclusion
[Sum up all the observations from the previous sections (mostly section 4: Results and
Discussions). Following items can help write a good conclusion:
 What are the sources of energy use and who are the suppliers?
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Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project






6.
Which is the highest source of energy use and which is the lowest? What are the
reasons?
How are the variations of different sources of energy?
How the variations can be best explained?
Describe the link between production and the energy use? Which energy source
dominates the production?
Which year has been chosen as the baseline and why?
Constraints encountered to perform the audit and lessons learnt. ]
Recommendations
[In dot points, write recommendations (if any). For example, this can be messages to the
management e.g.
o Further resources need
o Need for detailed audit
o Recommendation for awareness program
o Need for development of policy/documentation]
o Engagement of thermal architect for HVAC overview
o Engagement of Refrigeration efficiency consultant
17
Desktop Study Report on [Business Name], as part of PRNRM’s Sustainable Production
Demonstration Project