Home' Otago Southland Farmer : November 2nd 2012 Contents 2.11.12 Farmer
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"Cow Barn Design & Building
Specialists with 13000 cows
Farmers with dairy wintering barns are reporting savings of
20 to 23% over outdoor wintering costs made up from: -
Savings on winter-feed costs because cows are warmer
and there is less feed wastage.
Savings on pasture damage, pugging, nutrient run-off
and the environment because cows are off the land
during the wetter periods.
Being able to milk longer at the shoulders of the season
and therefore increase milking days.
Less cow walking distance resulting in better yields and
less lame cows.
Fertiliser savings by being able to apply the retained
effluent at a time when the grass can best uptake the
Reduced feed supplement wastage and pasture damage
by using barn as a feed pad during milking periods.
"Turn-key packages for complete shed with
full fit out from $1600 per cow"
Talk to the builders with over 10 years of proven experience
in the business of comfortable and affordable cow housing.
Farm Buildings Advertising Feature
Funding for dairy shed heat recovery systems
The Energy Efficiency and Conservation
Authority (EECA) has selected four
leading energy efficiency firms to
deliver its Dairy Shed Heat Recovery
programme across the country.
Heat recovery is one of the biggest
opportunities for New Zealand industry to
improve its energy efficiency.
By transferring waste heat from one part of
the production process and using it in
another, less energy is used which reduces
costs and improves productivity.
Dairy sheds use a lot of energy to heat water
for cleaning. Heat recovery is the biggest
and most cost-effective opportunity for
improving dairy farm energy efficiency.
The four providers are Climatemaster
(servicing the whole country), Maverick
Energy (servicing the North Island),
Dairycool, and Waitaki Refrigeration (both
servicing the South Island). EECA Business
selected the four providers through a
competitive tender process.
The EECA Business programme, which seeks
to raise the profile of heat recovery
technology, will provide grants to assist
with installing heat recovery systems in
around 40 dairy sheds over the next two
It will provide financial assistance and
technical expertise through the providers,
to help dairy farmers buy and install milking
shed heat recovery systems.
Under the programme, EECA Business will
cover up to 33% of the cost of buying and
installing heat recovery technology.
Providers (experts in heat recovery) will
work with farmers to find the best system
for farms and they will apply to EECA
Business for funding on the farmer's behalf,
manage system installation and
commissioning, and measure electricity
The initiative is one of a number of EECA
Business programmes aimed at helping
New Zealand businesses become more
productive and competitive through
improved energy efficiency.
Collectively, New Zealand businesses could
save around $2 billion through energy
Energy efficiency benefits both the public
and private sectors by reducing demand,
putting downward pressure on electricity
prices and deferring the need for
investment in new generation capability.
For more information on the Dairy Shed
Heat Recovery programme visit
Energy savings to be made
Farmers could save thousands of dollars every year in the dairy shed by
adopting energy efficient technologies that would pay for themselves over time.
By CARMEN HALL
At the Southland Energy Conference
last month, Venture Southland
Enterprise project manager Robin
McNeill outlined an energy efficient dairy
shed study on farms in the region.
There were 809 dairy farms in Southland
at the end of 2010 and 60 per cent were
The annual energy use of a typical
Southland dairy farm milking shed was
about 100,000kWh, or 160kWh for each
cow, according to the study.
On average, the total yearly cost of
running a dairy shed was $15,000 but
energy efficient practices could
significantly trim that expenditure.
Findings showed energy efficient heating
sources were a key factor in reducing cost.
For example a DTS desuperheater, which
costs $2600, reduces energy use by 26 per
cent and has an annual saving of $1,300.
A hotwater heat pump costs $9300 to buy
but will cut electricity costs by about
$1800 a year. Significant savings can also
be made by reducing heat losses, adding
a solar heating systems and by heating
water at night. Funding is also available
through EECA Business which will pay up
to a third of the cost of buying and
installing a heat recovery system.
For example in existing sheds, EECA will
cover up to 33% of the cost of buying and
retrofitting a system while in new dairy
sheds, EECA will cover 25% of the cost of
buying and installing heat recovery
Mr McNeill says most New Zealand dairy
sheds could reduce electricity costs by
$3000 to $5000 per year ''with limited
capital expenditure and a payback period
of less than five years".
"Most large dairy farms in Southland
spend between $12,000 and $16,000 per
year on electricity."
"Around 60-70 per cent of energy is
consumed by water heaters, the milk
chiller and the vacuum pump, with the
balance needed for other pumps and
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