By definition, renewable energy is energy generated from naturally replenished resources. For business, this is a very attractive proposition as we can generate low cost energy and improve environmental performance. 

Renewables such as wind, solar and wave are becoming more economically viable as the price of traditional grid energy goes up plus the technology cost curve continues to reduce.

For example, the solar PV cost curve below (source; Bloomberg New Energy Finance) shows how dramatically the cost of solar PV has dropped from around $80/Watt in the 1970's to $0.80/Watt in the 2010’s. At the same time electricity prices have more than doubled in the last five years. Together these key factors are driving adoption of solar PV.

Businesses can expect internal rates of return between 10% and 40% depending on site specific tariffs, procurement strategy and product quality.

That’s a very sound investment… 

Renewable Energy projects

Evo Energy Turns Heat Green at WhiteWater World

Key Outcomes

  • Reduction in running costs by over 70% 

  • Reduction in carbon emissions by over 35%

Evo Energy installed the largest heat pump system in Australia, with a cutting-edge system upgrade at the popular tourist theme park, WhiteWater World, delivered unparalleled energy efficiencies and helped reduce carbon emissions.

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Evo Energy Helps Rivalea to Reduce Environmental Footprint with Custom-Built Biogas Generator

Key Outcomes

  • Generates around 25% of the site’s power per year
  • Offsets over 28,000 per annum tons of CO2 equivalent emissions from grid
  • Methane emissions avoided
  • Energy efficiency of up to 90%

Rivalea, one of Australia’s leading agri-food companies, partnered with Evo Energy minimise their environmental footprint and reduce energy consumption, with the installation of a custom-built biogas generator. 

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On-site energy system saving $1M per year

Key outcomes

  • Cost saving of $1 million per annum
  • Received a $2 million Federal Government Grant
  • Project value $6.5M + $1.5M
  • Recipient of multiple awards

From feasibility to operation, ETS orchestrated the completion of one of the largest on-site energy systems of its kind at the iconic Bulla Dairy Foods Frozen Goods facility in Colac, Victoria.

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Converting heat waste into energy used for mine cooling

Key outcomes

  • Cost savings of $2.7 million per annum
  • Total project value $5.5 million
  • 18 month payback period
  • Saves 5000 tonnes of CO2 per annum

The ST Barbara mine in Leonora, Western Australia, had multiple gas generators which were producing heat waste. ETS were engaged to design and install an exhaust system which captures that waste heat and turns it into 5.6MW of additional capacity. The mine uses this additional capacity for its underground cooling system which means that traditional and much more expensive methods of expanding the cooling capacity were no longer required.

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Collins Square's Trigeneration Energy System by Optimal Group

Key Outcomes

  • 5 star NABERS efficiency rating

  • Best practice commercial green building design

  • $2 billion project, largest of its kind in Australia.

  • Use of Capstone Microturbine technology

When the Walker Corporation started planning the new Collins Square development they decided it should lead the way in best practice commercial building green design and efficiency.
The Optimal Group helped them achieve this, along with exceeding the 5 star NABERS rating. The cornerstone of this plan was a modern embedded trigeneration system where each of the 5 towers making up Collins Square could generate part of its own electrical demand using natural gas. 

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Solar Glass - The Future Of Building Materials

Key outcomes 

  • Project value $70k
  • Generates up to 4.32 kW of clean energy
  • Reduces grid energy and provides certainty around peak demand reduction
Problem Summary 
Scotch College is an independent Presbyterian day and boarding school for boys, located in Hawthorn, an inner-eastern suburb of Melbourne. The College raised $40m to build a new Sciences facility aimed to equip students with leading edge skills and knowledge in a variety of learning spaces. During design, the architects (Cox Architects) were on the lookout for opportunities to improve building performance using innovative building materials. A particularly challenging area was the teaching space on the roof which needed to provide both shelter and natural light.

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