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Case Studies - Queensland Farmers' Federation
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Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

A 404 ha Southern Downs horticulture farm producing various vegetables has saved money and reduced energy consumption after implementing recommendations from a recent Energy Savers Audit.

Implemented
12
Energy Savings
2.1
Savings
603
South East

Gatton Fruit Farm

South East

Gatton Fruit Farm

A farming enterprise located in the South East region growing stone fruit, persimmon and figs has saved money and reduced energy consumption after implementing the recommendations from a recent Energy Savers Audit. The recommendations explored in the audit included a new pump, refrigeration and LED lighting upgrades.

Implemented
9
Energy Savings
8.7
Savings
10,500
Atherton Tablelands

Atherton Horticulture Farm

Atherton Tablelands

Atherton Horticulture Farm

A horticulture farm located in the Atherton Tablelands region growing mango, custard apple and sweet corn has benefited from saved money and reduced energy consumption after implementing the recommendations from a recent Energy Savers Audit. The recommendation installed included a Solar PV system.

Implemented
63
Energy Savings
25.9
Savings
4,374
Wide Bay Burnett

Favco Golden Mile Farm

Wide Bay Burnett

Favco Golden Mile Farm

A Wide Bay Burnett horticulture farm growing mandarins, mangos, and lemons, has saved money and reduced energy consumption after implementing the recommendations from a recent Energy Savers Audit. The recommendations included a booster pump replacement with a VSD unit.

Implemented
1.3
Energy Savings
19
Savings
South East

Toowoomba Horticulture Farm

South East

Toowoomba Horticulture Farm

Of the energy-saving opportunities evaluated, two initiatives were implemented with potential energy savings of 16%, a combined payback period of 20 years, and carbon savings of 16.2t CO2-e.

Implemented
16
Energy Savings
16.2
Savings
11,100
South East

Laidley Horticulture Farm

South East

Laidley Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included replacing the 30kW pump with a new one including VSD, adding VSD to two existing pumps, and install a 12kW solar PV system. The farmer has implemented the VSDs and pump replacement solutions.

Implemented
12
Energy Savings
22.8
Savings
7,300
Wide Bay Burnett

Bundaberg Horticulture Farm

Wide Bay Burnett

Bundaberg Horticulture Farm

A recent energy audit in an avocado farm showed how installing a solar system can lead to 17% energy and cost savings with emission reductions of 13.6 tCO2-e per year by investing $35,000.

Proposed
17
Energy Savings
13.6
Savings
5,000
South East

Kalbar Horticulture Farm

South East

Kalbar Horticulture Farm

A horticulture farm located near Kalbar could benefit by saving energy and money from recommendations in a recent energy savers audit. The audit recommended replacing the existing 37kW dam pump with a new pump of the same size including Variable Speed Drive (VSD), as well as install two solar systems, 12kW for the shed roof and a 10kW ground-mounted system for the main irrigation pump. So far, the farmer has replaced the pump.

Implemented
11
Energy Savings
15.4
Savings
5,000
Border Rivers

Coolmunda Organic Olives, Inglewood

Border Rivers

Coolmunda Organic Olives, Inglewood

Coolmunda Organic Olives located in Inglewood has achieved energy and money savings from a solar pumping solution implemented based on the recommendations of a recent energy savers audit.

Implemented
123
Energy Savings
29.8
Savings
4,556
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

A horticulture farm located near Stanthorpe could benefit by saving energy, time and money from recommendations in a recent energy audit. The audit recommended installing a Variable Speed Drive on the cold room unit and a 12kW solar system to offset the farm energy consumption.

Proposed
15
Energy Savings
27.1
Savings
8,700
South East

Caboolture Horticulture Farm

South East

Caboolture Horticulture Farm

A horticulture farm located near Caboolture could benefit by saving energy, time and money from recommendations in a recent energy audit. The audit recommended installing 3 solar systems and 4 new condensing units with Variable Speed Drives (VSD) on the compressor and the condenser fan to offset the farm energy consumption.

Proposed
39
Energy Savings
97.1
Savings
26,000
South East

Lockyer Valley Horticulture Farm

South East

Lockyer Valley Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included installing Variable Speed Drives in two pumps as well as a 30kW solar system at the 45kW pump.

Proposed
26
Energy Savings
24.9
Savings
9,640
Atherton Tablelands

Mareeba Horticulture Farm

Atherton Tablelands

Mareeba Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendation implemented is a 39kW solar system at the main 22kW pump.

Implemented
41
Energy Savings
31
Savings
9,600
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included a tariff analysis, chiller and chiller pump upgrade, install a smart metering device and implement a maintenance program for the refrigeration and solar systems.

Implemented
16
Energy Savings
10.5
Savings
4,900
Atherton Tablelands

Mareeba Horticulture Farm

Atherton Tablelands

Mareeba Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included a tariff analysis, LED lighting upgrade and install a 20kW solar PV system on a pump.

Implemented
10
Energy Savings
20
Savings
10,500
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included installing Variable Speed Drives on pumps, lighting upgrade to LED and install a 20kW solar PV system.

Implemented
99
Energy Savings
23.2
Savings
3,700
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included replacing the dam pump with an 11kW unit and install a 9.75kW solar PV system.

Implemented
231
Energy Savings
14
Savings
2,050
Atherton Tablelands

Mareeba Horticulture Farm

Atherton Tablelands

Mareeba Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included replacing the main irrigation pump and install a 20kW solar PV system.

Proposed
62
Energy Savings
22.4
Savings
8,200
South East

Gatton Horticulture Farm

South East

Gatton Horticulture Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included replacing 2 pumps with smaller ones including VSD, adding VSD to six existing pumps, soil moisture monitoring and install a 15kW solar PV system. The farmer has implemented the VSD solutions, while the solar and soil monitoring will be considered in the future.

Implemented
42
Energy Savings
95.6
Savings
30,000
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

A drought-affected horticulture farm located in Stanthorpe could still benefit from saving both time and money from recommendations in a recent energy savers audit. The audit recommended installing Variable Speed Drives (VSDs) on the irrigation pumps and a solar PV system to offset energy consumption from the grid.

Implemented
25
Energy Savings
4.8
Savings
1,670
Wide Bay Burnett

Queensland Sugar Cane & Small Crop Farm

Wide Bay Burnett

Queensland Sugar Cane & Small Crop Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included the installation of VFD at pumps one and two and the installation of a solar system at pump one.

Implemented
30
Energy Savings
22.3
Savings
6,708
Wide Bay Burnett

Queensland Sugar Cane & Sweet Potato Farm

Wide Bay Burnett

Queensland Sugar Cane & Sweet Potato Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included the installation of VFD at pumps one and two, replace the travelling gun irrigation system with a lateral move, and conversion to Tariff 33 at all pumps. The farmer has replaced the irrigation system.

Implemented
21
Energy Savings
15.2
Savings
69,658
Wide Bay Burnett

Bundaberg Sugar Cane & Macadamia Nut Farm

Wide Bay Burnett

Bundaberg Sugar Cane & Macadamia Nut Farm

A recent energy audit showed how improving the current systems can lead to energy and cost savings. The recommendations explored in the audit included the replacement of pump, motor, and installation of VFD at pump one, installation of Solar PV at pump one, and conversion to Tariff 33 at all pumps. The farmer has installed the solar PV system.

Implemented
26
Energy Savings
13.1
Savings
8,829
Atherton Tablelands

Mareeba Horticulture Farm

Atherton Tablelands

Mareeba Horticulture Farm

An energy audit showed how improving the current irrigation system can lead to energy and cost savings. The recommendation explored in the audit included install Variable Speed Drive on the irrigation pump to modulate pressure automatically at 200 kPa at the irrigation valve stations.

Proposed
24
Energy Savings
100
Savings
19,681
Queensland

Queensland Horticulture Farms

Queensland

Queensland Horticulture Farms

This case study summarises the outcomes from audits conducted on 41 Queensland Horticulture farms.

Proposed
38
Energy Savings
1,448
Savings
526,361
Dry Tropics

Ayr Horticulture Farm

Dry Tropics

Ayr Horticulture Farm

A recent energy audit showed how improving the current irrigation system can lead to energy and cost savings. The recommendations explored in the audit included refurbishment of 4 irrigation pumps and install Variable Speed Control in 5 pivot pumps.

Proposed
25
Energy Savings
249
Savings
82,194
Atherton Tablelands

Mareeba Horticulture Farm

Atherton Tablelands

Mareeba Horticulture Farm

Of the energy-saving opportunities evaluated, three initiatives were identified with potential energy savings of 38%, a combined payback period of 8.4 years and carbon savings of 37 tCO2-e per year.

Proposed
38
Energy Savings
37
Savings
13,700
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

Of the energy-saving opportunities evaluated, two initiatives were identified with potential energy savings of 17%, a combined payback period of 2.6 years and carbon savings of 7.4 tCO2-e per year.

Proposed
17
Energy Savings
7.4
Savings
4,563
Southern Downs

Stanthorpe Horticulture Farm

Southern Downs

Stanthorpe Horticulture Farm

Of the energy-saving opportunities evaluated, four initiatives were identified with potential energy savings of 10%, a combined payback period of 2.8 years and carbon savings of 79 tCO2-e per year.

Proposed
10
Energy Savings
79
Savings
32,151
Queensland

All Energy Savers Plus Farms

Queensland

All Energy Savers Plus Farms

This case study summarises the outcomes from audits conducted on all 180 Queensland farms in the Energy Savers Plus Program (ESPPE).

Proposed
40
Energy Savings
6,042
Savings
2,817,342
Atherton Tablelands

Mareeba Horticulture Farm

Atherton Tablelands

Mareeba Horticulture Farm

Of the energy-saving opportunities evaluated, one initiative was identified with potential energy savings of 30%, a payback period of 3.7 years and carbon savings of 5.3t CO2-e per year.

Proposed
30
Energy Savings
5.3
Savings
1,392
Wide Bay Burnett

Sugar Cane and Horticulture Farm

Wide Bay Burnett

Sugar Cane and Horticulture Farm

A mixed farming enterprise located in the Bundaberg region growing sugarcane, rockmelons, tomatoes and macadamia nuts could save 31% of energy consumption through irrigation improvements.

Proposed
31
Energy Savings
25.5
Savings
11,348
Southern Downs

Stanthorpe Wine farm

Southern Downs

Stanthorpe Wine farm

This case shows the potential savings by replacing the current irrigation pump with a more efficient unit. It further explores the connection between management practices, water, and the additional advantages of an energy and irrigation audit.

Implemented
22
Energy Savings
2.2
Savings
919
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
6.6
Savings
3,500
Southern Downs

Stanthorpe Stonefruit Farm

Southern Downs

Stanthorpe Stonefruit Farm

A Stanthorpe farm producing an average of 300 tonnes of stonefruit per year from 40ha could save 77% of its energy and diesel bills after implementing energy audit recommendations to upgrade their lights to LED as well as to replace the diesel pump with a solar system.

Implemented
77
Energy Savings
16.7
Savings
5,881
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
37,000
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
40,000
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
33
Energy Savings
46.1
Savings
20,000
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
14,685
Dry Tropics

Clare Horticulture and Cane

Dry Tropics

Clare Horticulture and Cane

This case study shows how a Clare melon farm can reduce energy consumption and costs by implementing the recommendations of an Energy Savings Program. The farm has already implemented VSD on 8 pumps, reducing the total energy consumption on farm by 28%. Further savings can be achieved by upgrading irrigation, refrigeration and hot water systems, with energy savings estimated as 12% of already reduced farm energy consumption.

Implemented
12
Energy Savings
75.9
Savings
30,904
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 57.2 t CO2-e per annum.

Proposed
13
Energy Savings
57.2
Savings
30,097
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
12
Energy Savings
15
Savings
3,980
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
8,729
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 irrigation opportunities for a new site, between a new 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 $9,000 on pumping costs over 6 years by installing solar pumping to replace the current diesel pump, with energy savings of 71% and emission reductions of 86.7 t CO2-e per annum.

Proposed
71
Energy Savings
86.7
Savings
9,086
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
8,624
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
41,503
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 150.3 t CO2-e per year.

Implemented
30
Energy Savings
150.3
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
17,075
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
418
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
5,706
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
1,636
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 3 t CO2-e.

Proposed
56
Energy Savings
3
Savings
1,210
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
2,088
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
16,500
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 1.2 t CO2-e per year.

Proposed
2
Energy Savings
1.2
Savings
347
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 tCO2-e per year. Additional savings would be available by changing electricity tariffs.

Proposed
6
Energy Savings
6
Savings
5,425
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. The farmer has decided to implement the lighting upgrades in the cold room, with 1% of total energy savings, around $1,500 per year and emission savings of 5 t CO2-e per annum.

Implemented
1
Energy Savings
5
Savings
1,363
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 annual electricity savings of $9,000 and demand saving of 23kW, which could potentially save around $400 per month in demand charges. Additional operating profits given increases in product volume are $442,000 per year. Emission savings have been estimated to be 34.3 t CO2-e per year.

Proposed
17
Energy Savings
34.3
Savings
450,000