Case Studies

Filter Case Studies by Sector
All Industries
Aquaculture
Cane
Horticulture
Cotton
Nursery & Garden
Dairy
Beef and Cattle
Grains and Fodder
Eggs
Pork
Poultry
Location
  • Atherton Tablelands
  • Border Rivers
  • Cape York Peninsula
  • Central West
  • Darling Downs
  • Dry Tropics
  • Fitzroy
  • Mackay Isaac and Whitsunday
  • Maranoa-Balonne
  • North West
  • South-East
  • South-West
  • Southern Downs
  • Torres Strait
  • Wet Tropics
  • Wide Bay Burnett
Pump Type
  • Booster
  • Bore
  • Centrifugal
  • Diesel Pump
  • Submersible
  • Turbine
Irrigation Type
  • Boom
  • Centre Pivot
  • Drip
  • Flood
  • Hydroponic
  • Micro Irrigation
  • Solid Set
  • Travelling Gun
Technology
  • Air Conditioning
  • Change Irrigation Type
  • Demand management
  • Diesel Pumping
  • Energy Storage
  • Evaporator Fans
  • Fan
  • Gas and Biogas Systems
  • Heating
  • Insulation
  • Irrigation
  • Lighting
  • Power Factor Correction
  • Pump Upgrade
  • Refrigeration
  • Smart Energy Metering
  • Solar hot water
  • Solar Photovoltaic
  • Solar Pumping
  • Tariffs
  • Variable Speed Control
Year
  • Lowest
  • Highest
CO2 Savings
  • Lowest
  • Highest
Energy Savings
  • Lowest
  • Highest
South East

Sunshine Coast Dairy Farm

South East

Sunshine Coast Dairy Farm

A dairy farm located in the Sunshine Coast hinterland could benefit from a comprehensive energy audit that explored both the milking operation and irrigated paddocks. This case study focuses on the irrigation system benefits of installing a new pump with a Variable Speed Drive (VSD), new suction line, shortening the mainline and replacing the sprinklers and risers.

Proposed
South East

Southern Dairy Farm

South East

Southern Dairy Farm

A recent energy savers audit showed how a dairy farm in the Scenic Rim region could improve heating and cooling efficiency onsite after implementing the recommendations of a recent energy audit.

Proposed
38
Energy Savings
20.6
Savings
Wide Bay Burnett

Bundaberg Cane Farm

Wide Bay Burnett

Bundaberg Cane Farm

The audit of this 46Ha Bundaberg sugar cane farm considered energy consumption, hydraulic losses, and crop management. The audit recommended upgrading the pumps and changing the irrigation design. The site consists of a river pump and booster pump on separate NIMIs and irrigated using high pressure Gun, medium pressure boom and low-pressure furrow.

Proposed
86
Energy Savings
39.3
Savings
Fitzroy

Emerald Cotton Farm

Fitzroy

Emerald Cotton Farm

An Emerald irrigated cotton farm could benefit from a recent Energy Savers Audit. This case study details the need to inspect, maintain and repair pumps before potential replacement in order to achieve lower payback periods.

Proposed
76
Energy Savings
28.3
Savings
Fitzroy

Central Queensland Irrigation Farm

Fitzroy

Central Queensland Irrigation Farm

A farm producing feed for livestock has the potential to reduce energy consumption and costs by installing a combination of renewable and diesel energy sources onsite.

Proposed
76
Energy Savings
12.8
Savings
Dry Tropics

Ayr Cane Farm

Dry Tropics

Ayr Cane Farm

An 120ha cane farm in the Ayr region is taking a holistic approach taking part in both the Queensland Farmers Federation Reef, and Energy Savers programs. The site aims to reduce fertiliser use, energy consumption and costs while increasing production and minimising its impact on the surrounding Great Barrier Reef.

Proposed
44
Energy Savings
24.4
Savings
Darling Downs

Dalby Cotton Farm

Darling Downs

Dalby Cotton Farm

A 220ha irrigated cotton farm could save money and time by implementing recommendations from their Energy Savers Audit. The site produces some Corn, Barley, Wheat and Chickpeas. Three pumps lift water from the creek to three separate centre pivots consuming nearly 110,000 kWh at a cost of $23000. Four potential solar systems were compared with the best payback chosen to offset and reduce consumption below 100,000kWh. As consumption is just over 100MW p.a. both SAC small and large customer tariffs were considered, and a comprehensive analysis shown to minimise operating costs.

Proposed
39.9
Energy Savings
39.7
Savings
Wide Bay Burnett

Mondure Irrigation Farm

Wide Bay Burnett

Mondure Irrigation Farm

A farm producing fodder feed for livestock has the potential to reduce energy consumption and costs by installing new efficient pumps and making changes to the irrigation system.

Proposed
49
Energy Savings
17.6
Savings
Atherton Tablelands

Mareeba Irrigation Farm

Atherton Tablelands

Mareeba Irrigation Farm

A Mareeba farm that produces hay has the potential to save time and money after implementing a solar PV system on an upgraded automated pump supplying water to a centre pivot.

Implemented
68
Energy Savings
22.9
Savings
Mackay, Isaac and Whitsunday

Mackay Cane Farm

Mackay, Isaac and Whitsunday

Mackay Cane Farm

A cane farm in the Mackay region could increase production, net profit and reduce energy consumption from adoption of solar, and pump and irrigation changes.

Proposed
21
Energy Savings
59.3
Savings
Atherton Tablelands

Mareeba Irrigation Farm

Atherton Tablelands

Mareeba Irrigation Farm

An Atherton tablelands hay farm has the potential to save time and money after implementing a solar PV system on an upgraded automated pump supplying water to a centre pivot.

Proposed
89
Energy Savings
42.9
Savings
Wide Bay Burnett

Sunshine Coast Nursery

Wide Bay Burnett

Sunshine Coast Nursery

A large Sunshine Coast nursery will reduce its energy consumption even while increasing production with load shifting, upgrading lighting and air conditioners and the addition of a Solar PV system.

Proposed
48
Energy Savings
155.1
Savings
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

The farm, near Stanthorpe, produces a large variety of horticultural products on an area of approximately 30 ha and could save up to 17 per cent off its energy bills after implementing an farm energy audit recommendation to replace the cold room condenser unit.

Proposed
17
Energy Savings
9
Savings
Southern Downs

Stanthorpe Stonefruit Farm

Southern Downs

Stanthorpe Stonefruit Farm

A Stanthorpe farm produc aingn average of 300 tonnes of stonefruit per year from 40ha could save 10% off its energy bills after implementing a farm energy audit recommendation to upgrade their lights to LED.

Proposed
10
Energy Savings
5.4
Savings
Wide Bay Burnett

Mundubbera Citrus Farm

Wide Bay Burnett

Mundubbera Citrus Farm

A farm in Mundubbera producing a variety of citrus and mangoes will benefit by implementation of recommendations in a recent energy audit. The farm could save up to 7% of the site total energy use, and approximately $90,000 p.a. with an average payback period of 5.5 years, and estimated carbon reductions of 85.3 t CO2-e per annum.

Implemented
7
Energy Savings
85.3
Savings
South East

South East Queensland Dairy Farm

South East

South East Queensland Dairy Farm

A South East Queensland Dairy that produces milk and some feed has the potential to reduce energy and costs onsite and increase productivity from efficiencies identified in the milking shed.

Proposed
38
Energy Savings
115.2
Savings
Southern Downs

Southern Downs Piggery

Southern Downs

Southern Downs Piggery

This case study is part two of a piggery audit conducted showing the electrical energy savings component. Implementation of new LED lights would allow an increase in capital for further efficiency measures and allow the installation of solar.

Proposed
35-48
Energy Savings
83
Savings
South East

South East Queensland Dairy Farm

South East

South East Queensland Dairy Farm

Installing solar and chilled water systems using existing infrastructure while monitoring and maintaining could reduce this dairy farm's energy consumption below 100,000kWh per annum.

Proposed
35
Energy Savings
50.7
Savings
Fitzroy

Central Queensland Irrigators

Fitzroy

Central Queensland Irrigators

The Audit recommended a number of steps to improve the efficiency of three bore pumps along with solar systems to reduce the farms power consumption by over 60%. This case study compares Solar PV options for each of the three pumps.

Proposed
60
Energy Savings
56.8
Savings
Central West

Central West Queensland sheep and cattle farm

Central West

Central West Queensland sheep and cattle farm

A Central Queensland farm has the potential to save time and money from an increase in battery storage and installation of 4G remote monitoring on the pumps.

Proposed
43
Energy Savings
16
Savings
Darling Downs

Western Downs Grains Farm

Darling Downs

Western Downs Grains Farm

The Audit recommended a number of small projects with quick payback as well as upgrading lighting and installing solar and batteries to reduce grid power by 78 per cent.

Proposed
78
Energy Savings
20.9
Savings
Darling Downs

Western Downs Cattle Farm

Darling Downs

Western Downs Cattle Farm

The farm has a potential efficiency gain with the installation of a new solar pump. This case study compares the costs of using the existing generator and complete replacement with a new solar pump and battery backup.

Proposed
100
Energy Savings
21.3
Savings
Fitzroy

Central Queensland Irrigators

Fitzroy

Central Queensland Irrigators

This case study compares the costs and benefits of a powering a small pump with a grid connected solar system, or taking the pump off-grid with solar and a battery.

Proposed
12
Energy Savings
1.2
Savings
Wide Bay Burnett

Gympie Plantation Forest

Wide Bay Burnett

Gympie Plantation Forest

Installing audit recommendations reduced HQ Plantations energy costs, CO2 emissions and demand charges by changing behaviours and management practices.

Proposed
39
Energy Savings
62.5
Savings
South East

South East Queensland chicken meat farm

South East

South East Queensland chicken meat farm

A South East Queensland chicken meat farm with eight sheds found an energy audit to provide helpful guidance about where to spend their capital investment on the farm.

Proposed
8.5
Energy Savings
42
Savings
Wide Bay Burnett

Sunshine Coast Nursery

Wide Bay Burnett

Sunshine Coast Nursery

A South-East Queensland nursery has implemented a 19.89kW Solar System to offset grid power following their QFF Energy Savers audit.

Implemented
100
Energy Savings
17.1
Savings
Atherton Tablelands

Mareeba Banana Farm

Atherton Tablelands

Mareeba Banana Farm

A Mareeba banana farm is on track to save 32% off their power bill for one of their pump stations with a new variable speed drive and a tariff change recommended in the Energy Savers audit. They are also getting more even watering and expect to cut maintenance costs!

Implemented
32
Energy Savings
94.8
Savings
Atherton Tablelands

Tablelands Irrigation Farm

Atherton Tablelands

Tablelands Irrigation Farm

An energy audit recommended replacing a 75kW pump with a 45kW pump and Variable Speed Control. Also, eliminating some right angle bends from the pipes at an adjacent 4kW pump will allow it to deliver 1kL of extra water per hour.

Proposed
44
Energy Savings
24.2
Savings
South East

Karalee Flower Farm

South East

Karalee Flower Farm

The farm has implemented a lighting upgrade, Power Factor Correction (PFC) and a 30.4kW Solar PV system to achieve annual energy savings over $14,700 and greenhouse gas emission reductions of 40.1 t CO2-e. The lights and PFC offer a payback period of under 3 years, with the PV payback around 5½ years. The Pump VSD and pressure transducer once implemented will allow the pump to operate at its Best Efficiency Point.

Implemented
20
Energy Savings
40.1
Savings
Atherton Tablelands

Mareeba Cane Farm

Atherton Tablelands

Mareeba Cane Farm

The audit recommended optomising the VSD speed to reduce friction losses, balancing efficiency with crop requirements. This no-cost project is saving the farmer $9,532 per annum with a reduction of 19% energy consumption.

Implemented
19
Energy Savings
48.4
Savings
Wet Tropics

Rollingstone Horticulture Farm

Wet Tropics

Rollingstone Horticulture Farm

This detailed case study shows how a comprehensive audit and collaboration between the auditor and local refrigeration specialist have significantly reduced cold room operating costs with annual savings of almost $20,000 and a payback period of a year and a quarter. Refrigeration energy consumption and demand have been almost halved.

Implemented
49
Energy Savings
46.1
Savings
Darling Downs

Brookstead Cotton Farm

Darling Downs

Brookstead Cotton Farm

Two stages were removed from a seven-stage pump which reduced the flow rate but improved the combined efficiency by 25%. The pump demand has been reduced by 12kW and even with increased running time, running costs have reduced by $1,200 per year with a payback period under two years.

Implemented
15
Energy Savings
5.4
Savings
Darling Downs

Cecil Plains Cotton Farm

Darling Downs

Cecil Plains Cotton Farm

The Audit recommended a new, smaller pump which increased water flow by 1.1ML/day and improved combined efficiency by nearly 30%. The pump upgrade has been completed by the farmer even though the payback period on energy cost savings alone was estimated at over 9 years.

Implemented
20
Energy Savings
3.8
Savings
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

The farmer installed variable speed drives on two 37kW pumps providing an annual cost saving of over $14,500 with a payback period of around 18 months. Other efficiencies were identified including some refrigeration improvements and a small Solar PV system which the farmer is yet to implement.

Implemented
1.5-1.8
Energy Savings
15.3
Savings
Darling Downs

Condamine Feedlot

Darling Downs

Condamine Feedlot

The audit made many recommendations such as a boiler economiser and boiler combustion oxygen levels, voltage optimisation and adjusting feed processing to avoid some heating elements. A number of recommendations had a total annual energy cost saving of over $77,000 with a payback period under the companies’ 3 year payback target. Around $72,000 of extra annual savings may be available through a tariff change.

Proposed
8-13
Energy Savings
829
Savings
Mackay, Isaac and Whitsunday

Central Queensland Prawn Farm

Mackay, Isaac and Whitsunday

Central Queensland Prawn Farm

This audit considered a number of opportunities to reduce heating energy consumption. The case study highlights energy savings of 6.5% in covering heated hatchery tanks and heat recovery systems with an average payback or around 3.5 years and an annual saving of almost $9,500.

Proposed
6.5
Energy Savings
62.9
Savings
South East

Southern Queensland piggeries

South East

Southern Queensland piggeries

This case studies highlights the energy savings opportunities from audits at a number of pork farms. It highlights potential to reduce lighting energy by 66%, and reducing overall energy by up to 27% with the addition of Solar PV.

Proposed
27-66
Energy Savings
35.8
Savings
South East

Southern Queensland Piggeries

South East

Southern Queensland Piggeries

This case studies highlights the energy savings opportunities from audits at a number of pork farms. It highlights potential to reduce site heating energy by 20% with an average payback of 4.6 years.

Proposed
20
Energy Savings
142.7
Savings
Dry Tropics

Clare Horticulture and Cane

Dry Tropics

Clare Horticulture and Cane

This case study shows how a Clare melon farm is reducing energy costs thanks to the energy savings program. The farms has reduced the energy cost for cold rooms and packing shed by 10 – 15% off their annual $250,000 bill. Further savings are being made with irrigation efficiencies.

Proposed
37
Energy Savings
75.3
Savings
Dry Tropics

Burdekin Sugar Cane

Dry Tropics

Burdekin Sugar Cane

A range of initiatives were identified including replacing some pumps and motors with new pumps and variable speed drives, with an average payback period of 2.8 years and annual cost savings of around $16,500. An extra $10,000 annual saving is potentially available at the site by reviewing the tariffs of the pump stations. Energy savings have been calculated as 4% for the flood system and 16% for the drip & micro irrigation system. Emission savings have been estimated at an average of 18.4 t CO2-e per year.

Proposed
4-16
Energy Savings
18.4
Savings
Mackay, Isaac and Whitsunday

Bowen Mango & Tomato Farm

Mackay, Isaac and Whitsunday

Bowen Mango & Tomato Farm

The audit identified a range of energy saving initiatives in the packing sheds including refrigeration, lighting and the installation of Solar PV to supply some power. Three projects had a payback less than 5 years including the lighting and two Solar PV installations. The estimated annual cost savings from all identified projects is nearly $50,000, with carbon reductions of 58 t CO2-e per annum.

Proposed
13
Energy Savings
58
Savings
South East

Southern Queensland Meat Processors

South East

Southern Queensland Meat Processors

The audits of several meat processors identified a payback of between 3.2 and 4.9 years of adding CO2 heat pumps to replace gas hot water systems. In one case a mixing valve was recommended to one system that was providing higher temperature to return a payback of 1.4 years. Additional benefits include greenhouse gas emission reductions of 283.5 t CO2-e.

Proposed
16
Energy Savings
283.5
Savings
South East

Southern Queensland Meat Processors

South East

Southern Queensland Meat Processors

The Audits of several meat processors identified the potential benefits of adding variable speed controls to evaporator fans with temperature control logic allowing the fans to operate at a lower speed with significant electricity savings. The audits have identified some quick wins to reduce costs of refrigeration systems at low cost.

Proposed
13
Energy Savings
88.5
Savings
Dry Tropics

Lower Burdekin Water

Dry Tropics

Lower Burdekin Water

Lower Burdekin Water Board cut their power consumption by 58,000kWh and demand by 105kVA resulting in annual cost savings of $20,000 or 25%, with carbon reductions of 53.4 t CO2-e per annum, at the Kilrie Gully pump station.

Implemented
40
Energy Savings
53.4
Savings
South East

Aspley Nursery

South East

Aspley Nursery

An energy audit for the on-site electricity usage recommended the installation of variable speed controls on pumps, replacement pumps with more energy efficient drive units, hot water system replacement, lighting replacement, air conditioning upgrade options & installation of solar photovoltaic system. Emission savings have been estimated to be 11.8 t CO2-e per year. 

Implemented
28
Energy Savings
11.8
Savings
Wet Tropics

Ingham Cane Farm

Wet Tropics

Ingham Cane Farm

The audit recommended replacing high pressure travelling guns with a low pressure boom irrigator and installing a variable speed drive to maintain 65psi at the booms. The project is expected to save 20% energy and has a payback period of 3 years with carbon reductions of 11 t CO2-e per annum.

Proposed
20
Energy Savings
11
Savings
Dry Tropics

Burdekin Produce Crop and Cane Farm

Dry Tropics

Burdekin Produce Crop and Cane Farm

The audit presented 2 options to improve the efficiency of an 18kW pump: upgrading to a high efficiency model, or adding an VSD, both of which would save nearly $4,000 per year and pay back within around 2 years, with carbon emission reductions of 15 t CO2-e per annum.

Proposed
50
Energy Savings
15
Savings
Atherton Tablelands

Mareeba Nursery

Atherton Tablelands

Mareeba Nursery

The audit identified several energy efficiency opportunities including regular checks for leaks in the irrigation and compressed air systems and a lighting upgrade. The audit recommended a 10kW Solar PV system to complement energy efficiency practices already in place, to further cut power required from the grid by 35% to save over $4,000 per year with a payback of less than 5 years and carbon reductions of 14.5 t CO2-e per annum.

Proposed
34
Energy Savings
14.5
Savings
South East

Morton Vale Vegetable Farm

South East

Morton Vale Vegetable Farm

The audit recommended regular checking of cold room door seals to save up to 10% in refrigeration costs, along with incorporating 30kW Solar PV into a new shed being built at the site to offset pumping and refrigeration power consumption with a payback period of 4 years and carbon savings of 43.4 t CO2-e per year. Variable Speed Controls were recommended for 2 smaller pumps with a payback period of 7.7 years.

Proposed
58
Energy Savings
43.4
Savings
Atherton Tablelands

Mareeba Pawpaw Farm

Atherton Tablelands

Mareeba Pawpaw Farm

The case study provides an estimate of the costs and benefits of replacing a 36hp diesel irrigation pump two options: a mains connected 15kW pump or a 19kW pump powered by a 20kW solar array to get paybacks of 11 or 6 years respectively. The case study also compares the cost for a new pump of a 7.5kW mains connected pump and a 9.5kW pump powered by a 10kW solar array, to find a payback period of less than 1 year. The farmer would save over $77,000 on pumping costs over 10 years by installing solar pumping in both applications, with carbon emission savings of 45.8 t CO2-e per annum.

Proposed
100
Energy Savings
45.8
Savings
Atherton Tablelands

Mareeba Citrus and Avocado Farm

Atherton Tablelands

Mareeba Citrus and Avocado Farm

An audit recommended reducing the pump size from 45kW to 18kW to reduce water flow rate and friction head losses along with a variable speed drive due to the varying height of irrigation blocks. The farm will reduce pumping costs by nearly $3,200 per year with a payback of just over 4 years. A 15kW solar PV system will save an additional $6,000 per year with a payback of just over 3 years. Carbon savings have been estimated as 29.4 t CO2-e per annum.

Proposed
44
Energy Savings
29.4
Savings
Wide Bay Burnett

Mundubbera Citrus Farm

Wide Bay Burnett

Mundubbera Citrus Farm

An audit of a Mundubbera Citrus farm recommended fitting variable speed drives to pumps, and a 30kW solar PV system. The farmer has implemented the findings, reducing the pump size as well, and adding over 80kW of Solar PV to save over $41,000 per year in electricity costs with 156.9 t CO2-e of emission savings per annum.

Implemented
54
Energy Savings
156.9
Savings
Wet Tropics

Cairns Cold Store

Wet Tropics

Cairns Cold Store

A Cairns Cold Storage business cut their electricity usage by 30% by upgrading plant and equipment such as efficient chillers and pumps, variable speed drives and smart controls. Additional benefits include emission reductions of 254.6 t CO2-e per year.

Implemented
30
Energy Savings
254.6
Savings
South East

Gold Coast Tiger Prawns

South East

Gold Coast Tiger Prawns

See how Gold Coast Tiger Prawns saved $40,000 per year in demand charges by fitting Variable Speed Drives to main pumps and the conveyors in the processing plant, as well as Power Factor Correction. Energy savings of 19% in total consumption and carbon reductions of 243.2 t CO2-e have been achieved.

Implemented
19
Energy Savings
243.2
Savings
Maranoa-Balonne

St George Cotton

Maranoa-Balonne

St George Cotton

The irrigation audit identified energy savings of 29% and a payback period of 1.3 years with a change to pump operations, installation of a variable speed drive to a 75kW pump and replacing the pump impellor with a full-size version. The audit also found up to $3,500 in savings available with a change in tariff. Emission savings have been estimated to be 37.9 t CO2-e.

Proposed
29
Energy Savings
37.9
Savings
South East

Beaudesert Turf Energy

South East

Beaudesert Turf Energy

The irrigation energy audit recommended adding variable speed drives to two dam pumps as they have varying duties in supplying centre pivot irrigators. The audit also recommended upgrading 100mm steel main pipe for transfer pumping to 125mm plastic. These initiatives would result in energy savings of over $41,000 per year with a payback period of around 1.5 years and carbon reductions of 120 t CO2-e per annum.

Proposed
24
Energy Savings
120
Savings
Mackay, Isaac and Whitsunday

Mackay Sugar Cane

Mackay, Isaac and Whitsunday

Mackay Sugar Cane

The irrigation audit identified energy savings of 10% with a payback of 3.4 years by modifying the discharge piping on the 45kW pump to reduce pressure losses. Additional savings were identified by replacing pumps and adding a variable speed controlled, but with longer payback periods. Emission savings have been estimated to be 3.1 t CO2-e.

Proposed
10
Energy Savings
3.1
Savings
Wide Bay Burnett

Childers Sugar Cane

Wide Bay Burnett

Childers Sugar Cane

The irrigation energy audit identified a number of initiative that would save about $110,000 over 10 years. These included replacing oversized pumps, and adding Variable Speed Drives where the changing elevation of the Centre Pivots caused variable head pressure. The audit also identified $600 in annual savings through tariff review. Emission savings have been estimated to be 47 t CO2-e.

Proposed
19
Energy Savings
47
Savings
Wide Bay Burnett

Bundaberg Sugar Cane & Macadamias

Wide Bay Burnett

Bundaberg Sugar Cane & Macadamias

The irrigation audit identified a number of opportunities on site including modifying pipe systems to reduce pressure loss, impellor modifications and installation of variable speed drives. Energy savings of 16% with a payback of 1.3 years were identified. The audit also identified up to $11,000 available by reviewing the tariff pricing structure for the pumps. Emission savings have been estimated to be 52 t CO2-e.

Proposed
16
Energy Savings
52
Savings
Wide Bay Burnett

Bundaberg Horticulture

Wide Bay Burnett

Bundaberg Horticulture

The irrigation energy audit identified that upgrading the existing filter and simplifying the pipework would reduce head losses by 50kPA, resulting in an energy saving of 12% with carbon emission reductions of 1.5 t CO2-e per annum.

Proposed
12
Energy Savings
1.5
Savings
Mackay, Isaac and Whitsunday

Mackay Sugar Cane

Mackay, Isaac and Whitsunday

Mackay Sugar Cane

The irrigation energy audit assessed the site pumping systems including creek pumping and transfer pumping, recommended adding variable speed drives to the 55kW pumps driving the Centre Pivots, and reducing head pressure. Energy Savings of 19 – 30% were identified with payback periods between 8.4 – 23.9 years and average carbon emission reductions of 7.5 t CO2-e per annum.

Proposed
19-30
Energy Savings
7.5
Savings
South East

Gatton Nursery

South East

Gatton Nursery

The irrigation energy audit assessed a number of irrigation systems, and recommended the addition of variable speed drives to an existing pumping station consisting of 2 x 7kW and 1 x 5.5kW fixed pumps. The upgrade would result in energy savings of 15% with a payback of 11 years and with carbon emission reductions of 1.4 t CO2-e per annum.

Proposed
15
Energy Savings
1.4
Savings
Southern Downs

Stanthorpe Horticulture

Southern Downs

Stanthorpe Horticulture

The irrigation energy audit assessed a number of pumps and motors, recommending the installation of variable speed drives on each of the pumps to allow system pressure to be reduced by 100 kPa. These initiatives will reduce energy consumption by 18% with a payback of 4.2 years and carbon emission reductions of 18.7 t CO2-e per annum.

Proposed
18
Energy Savings
18.7
Savings
Wide Bay Burnett

Childers Sugar Cane

Wide Bay Burnett

Childers Sugar Cane

The irrigation energy audit recommended replacing three old pump motors and adding Variable Speed Drives to two pumps, with an annual energy saving of 15% and payback of 3.2 years, as well as carbon emission reductions of 32.8 t CO2-e per annum.

Proposed
15
Energy Savings
32.8
Savings
Darling Downs

Cecil Plains Cotton

Darling Downs

Cecil Plains Cotton

The irrigation energy audit recommended replacing a 45kW line-shaft pump with a 37kW submersible pump to achieve an 8% energy savings and carbon emission reductions of 5.6 t CO2-e per annum.

Proposed
8
Energy Savings
5.6
Savings
Wide Bay Burnett

Bundaberg Horticulture

Wide Bay Burnett

Bundaberg Horticulture

This irrigation energy audit recommended replacing two in-line centrifugal pumps with a single irrigation pump and Variable Speed Drive with energy savings of 34%. A 5kW solar system providing 39% of the sites energy was also evaluated, with carbon emission reductions of 5.2 t CO2-e per annum.

Proposed
39
Energy Savings
5.2
Savings
South East

Boonah Dairy

South East

Boonah Dairy

The audit founds a significant water leak, with potential energy savings of 20%, and the opportunity to improve irrigation efficiency with the addition of a variable speed drive saving 30% of energy consumption. The solutions have cost savings of around $5,500 and a combined payback under 2 years with an average 9.5 t CO2-e of emission savings per annum.

Proposed
20-30
Energy Savings
9.5
Savings
Dry Tropics

Giru Sugar Cane

Dry Tropics

Giru Sugar Cane

The audit recommended two options, including replacing a 15 year-old 33kW pump with a smaller 22kW pump, or replace the pump and add a variable speed drive. Energy savings of 4-11% and average emission savings of 3.9 t CO2-e per annum have been estimated.

Proposed
4-11
Energy Savings
3.9
Savings
Wet Tropics

Ingham Sugar Cane

Wet Tropics

Ingham Sugar Cane

The audit recommended a number of measures, including a variable speed drive to regulate pressure rather than the current throttling arrangement. The measure will save around 45% energy at the pump, with an annual cost saving of over $10,500 and a payback period of around 9 months, as well as emission savings of 44 t CO2-e per annum.

Proposed
45
Energy Savings
44
Savings
Southern Downs

Cottonvale Horticulture

Southern Downs

Cottonvale Horticulture

The audit recommended the replacement of a 50kW pump which is over-sized for the duty requirement which would give an energy saving of 56% and a payback period of around 8 years. In addition, changing tariff and switching pump operation to off-peak hours would save an additional $1,200 per year. Annual emission savings have been estimated to be 2.8 t CO2-e.

Proposed
56
Energy Savings
2.8
Savings
South East

Gatton Horticulture

South East

Gatton Horticulture

The audit recommended replacing a replacing a 55kW pump and motor with a smaller and more efficient pump and motor with an annual cost saving over $2,000 and a payback period of just over 7 years. Emission savings have been estimated to be 7.4 t CO2-e per year.

Proposed
15
Energy Savings
7.4
Savings
Wide Bay Burnett

Bundaberg Sugar Cane

Wide Bay Burnett

Bundaberg Sugar Cane

The audit assessed 10 initiatives to upgrade pumps and add variable speed drives, and recommended that two be implemented with payback periods of 3.5 years and savings of $6,000 per year. The audit also recommended tariff checks to achieve further savings. Emission savings have been estimated to be 20.6 t CO2-e in average per year.

Proposed
10-33
Energy Savings
20.6
Savings
Darling Downs

Brookstead Dairy & Cropping

Darling Downs

Brookstead Dairy & Cropping

The audit recommended a number of initiatives to reduce distribution head losses to optimise the dam pump operations, including some pipe replacement and the potential to replace the 45kW dam pumps and add variable speed drives. The recommendations would save 42% of the energy on those systems, with an annual saving of over $40,000 and a payback of just over 2 years. Emission savings have been estimated to be 113 t CO2-e per year.

Proposed
42
Energy Savings
113
Savings
Darling Downs

Cabarlah Nursery

Darling Downs

Cabarlah Nursery

A number of initiatives were recommended including replacing 400W mercury vapour high bay lights with 150W equivalents, adding insulation to hot water piping and the addition of a 30kW solar PV system. In total the measures will save nearly $11,000 per year with a payback period of 5.5 years and carbon reductions of 37.5 t CO2-e per annum

Proposed
60
Energy Savings
37.5
Savings
Southern Downs

Allora Feedlot

Southern Downs

Allora Feedlot

The audit recommended a number of pump upgrades with energy efficient models with variable speed drives with a payback of 3 years and annual energy savings of nearly $15,000. Emission savings have been estimated to be 45.5 t CO2-e per year.

Proposed
35
Energy Savings
45.5
Savings
Wide Bay Burnett

Bundaberg Sugar Cane & Pineapples

Wide Bay Burnett

Bundaberg Sugar Cane & Pineapples

A range of initiatives were identified including replacing some pumps and motors with new pumps and variable speed drives, with a payback period of 2.8 years and annual cost savings of around $16,500. An extra $10,000 annual saving is potentially available at the site by reviewing the tariffs of the pump stations. Emission savings have been estimated to be 27.1 t CO2-e per year.

Proposed
12
Energy Savings
27.1
Savings
Wide Bay Burnett

Bundaberg Sugar Cane & Aquaculture

Wide Bay Burnett

Bundaberg Sugar Cane & Aquaculture

The audit made many recommendations for pipe upgrades, pump replacement and the addition of variable speed drives. Six recommendations had a total annual energy saving of nearly $20,000 with a payback period under a year. Nearly $6,000 of extra annual savings may be available through tariff reviews. Emission savings have been estimated to be 114 t CO2-e per year.

Proposed
14
Energy Savings
114
Savings
Fitzroy

Emerald Cotton

Fitzroy

Emerald Cotton

An energy audit of the pumping systems recommended replacement with more energy-efficient drive units, upgrading the distribution pipework and replacing pumps. Emission savings have been estimated to be 73 t CO2-e per year.

Proposed
31
Energy Savings
73
Savings
Mackay, Isaac and Whitsunday

Proserpine Sugar Cane & Rice

Mackay, Isaac and Whitsunday

Proserpine Sugar Cane & Rice

The farmer implemented the recommendations including 2 variable speed drives and is likely to save over $7,000 per year with a payback of around 2 years and emission savings of 31.5 t CO2-e per year. There are more potential savings available by replacing other pumps with high efficiency models at the end of their life.

Proposed
25
Energy Savings
31.5
Savings
Southern Downs

Stanthorpe Winery

Southern Downs

Stanthorpe Winery

The audit of this vineyard and winemaker evaluated a number of actions with varying payback periods, including insulation, replacement of compressors, lighting controls and disconnecting unused pumps. Two initiatives had a payback period of around 3 years including insulation and disconnecting unused pumps. The audit also found a tariff review might save the business over $2,500 per year. Emission savings have been estimated to be 1.4 t CO2-e per year.

Proposed
2
Energy Savings
1.4
Savings
Southern Downs

Glen Aplin Tomato & Capsicum farm

Southern Downs

Glen Aplin Tomato & Capsicum farm

The audit recommended replacing refrigeration compressors and installing a 2kW solar photovoltaic system at a Stanthorpe Tomato and Capsicum Farm. The audit calculated approximately $30,000 in savings over 10 years, with payback periods at just over 4 years and emission savings of 6 CO2-e per year. Additional savings would be available by changing electricity tariffs.

Proposed
6
Energy Savings
6
Savings
Wide Bay Burnett

Bundaberg Chillies

Wide Bay Burnett

Bundaberg Chillies

An energy audit recommended installing variable speed control on evaporator fans, replacing T8 cold room lighting with LEDs and a number of options for optimising refrigeration including thermal energy storage. Although the refrigeration projects have a long payback period, the variable speed controls and lighting would save over $7,000 per year with a payback of nearly 4 years and emission savings of 66 CO2-e per annum.

Proposed
10
Energy Savings
66
Savings
Dry Tropics

Townsville Mushroom farm

Dry Tropics

Townsville Mushroom farm

An energy audit identified an opportunity to improve the air conditioning system for growing mushrooms, achieving an annual saving of $9,000 including a demand saving of 23kW, which could potentially save around $400 per month in demand charges. Emission savings have been estimated to be 34.3 t CO2-e per year.

Proposed
17
Energy Savings
34.3
Savings