Name: Challicum Hills Wind Farm
Address: AU

Overview

The Challicum Hills Wind Farm is an operational onshore wind energy facility located in the state of Victoria, Australia. The installation is situated in the region near the city of Ararat, within the western part of the state. It functions as a significant power generation asset within the local energy infrastructure, utilizing wind as its primary fuel source to produce electricity for the grid. The project is operated by Pacific Blue, which manages the day-to-day operations and maintenance of the site. The facility has been in service since its initial commissioning in August 2003, marking it as one of the earlier wind energy developments in the region.

The plant is equipped with 35 NEG NM 64 wind turbines. These units are arranged across the site to capture wind resources efficiently. The combined installed capacity of the wind farm is 52.5 MW. This generating capacity contributes to the electrical output of the area, providing a variable renewable energy source to the local and broader Victorian grid. The specific turbine model, the NEG NM 64, defines the technical specifications of the individual units that make up the total capacity.

Commercially, the Challicum Hills Wind Farm operates under a long-term Power Purchase Agreement (PPA). This contractual arrangement is held with Origin Energy, a major player in the Australian energy sector. The PPA structure ensures a stable offtake for the electricity generated by the 52.5 MW facility, linking the operational output of the wind turbines directly to the commercial interests of Origin Energy. This agreement has been a key component of the project's financial and operational framework since its inception.

The location near Ararat places the wind farm in a region known for its agricultural and energy infrastructure. The western Victoria area provides suitable wind conditions for the operation of the 35 turbines. The facility's status as an operational plant means it continues to contribute to the energy mix of the state. The project represents a dedicated investment in wind power technology, utilizing the NEG NM 64 turbines to convert kinetic energy from the wind into electrical power.

Technical Specifications and Turbine Configuration

The Challicum Hills Wind Farm is a utility-scale wind energy facility located near Ararat in western Victoria, Australia. The installation is classified as an operational wind farm with a total installed generating capacity of 52.5 MW. The facility was commissioned in August 2003, marking its entry into the regional electricity grid. The facility operates under a long-term Power Purchase Agreement (PPA) with Origin Energy, securing the off-take of the generated electricity. This contractual arrangement provides revenue stability for the operator and a defined supply source for the energy retailer. The location in western Victoria places the farm within a region characterized by consistent wind resources, suitable for utility-scale wind generation.

Turbine Fleet and Configuration

The generating infrastructure of the Challicum Hills Wind Farm consists of a homogeneous fleet of wind turbines. The farm is comprised of 35 individual wind turbine units. Each turbine is an NEG NM 64 model. The NEG NM 64 is a specific turbine configuration with a nameplate capacity of 1.5 MW per unit. The uniformity of the turbine model simplifies maintenance logistics and spare parts management for the operator. The total capacity of the farm is derived from the aggregate of these individual units. The configuration of 35 turbines, each rated at 1.5 MW, results in the total installed capacity of 52.5 MW. This capacity figure represents the maximum electrical output the farm can deliver under optimal wind conditions. The NEG NM 64 turbines are positioned across the site to maximize energy capture from the prevailing wind patterns in western Victoria.

Parameter	Value
Turbine Model	NEG NM 64
Number of Turbines	35
Capacity per Turbine	1.5 MW
Total Installed Capacity	52.5 MW
Operator	Pacific Blue
Commissioning Date	August 2003
Location	Near Ararat, Western Victoria, Australia
Off-taker	Origin Energy

The technical specifications of the NEG NM 64 turbines are central to the performance of the Challicum Hills Wind Farm. The 1.5 MW rating per unit is a standard capacity for turbines commissioned in the early 2000s. The 35-unit configuration allows for a balanced distribution of generation across the site. The operational status of the farm remains active, with the turbines continuing to feed electricity into the grid. The long-term PPA with Origin Energy indicates a stable commercial framework for the asset. The location near Ararat provides access to the transmission infrastructure required to deliver the 52.5 MW output to consumers. The uniform turbine fleet ensures consistent operational characteristics across the entire installation.

Ownership, Operation, and Commercial Agreements

Pacific Blue Energy serves as the primary operator of the Challicum Hills Wind Farm, managing the day-to-day technical and commercial functions of the facility. As the operator, Pacific Blue oversees the performance of the wind turbines and the integration of the generated electricity into the local grid infrastructure in western Victoria. The company’s role involves ensuring that the wind farm maintains its operational status and meets the output requirements necessary to fulfill its commercial obligations. Pacific Blue’s management of the site includes monitoring the wind resources and coordinating maintenance activities to maximize energy capture and minimize downtime for the turbine array.

Commercial Structure and Power Purchase Agreement

The commercial viability of the Challicum Hills Wind Farm is anchored by a long-term Power Purchase Agreement (PPA) with Origin Energy. This agreement establishes the financial framework under which the electricity generated by the wind farm is sold to the market. Origin Energy, a major player in the Australian energy sector, acts as the primary off-taker for the power produced at the site. The PPA provides revenue stability for the project, allowing for more predictable cash flows over the lifespan of the agreement. This type of contractual arrangement is common in the renewable energy sector, where long-term commitments help mitigate the variability of wind resources and the fluctuating prices of electricity in the wholesale market.

The existence of a long-term PPA with a significant utility like Origin Energy indicates a strategic partnership aimed at securing a steady supply of renewable energy. For Origin Energy, the agreement helps diversify its energy mix and contributes to its renewable energy targets. For Pacific Blue, the PPA ensures that the 52.5 MW of capacity is utilized efficiently, with a guaranteed buyer for the generated kilowatt-hours. The terms of the PPA likely include specific provisions regarding the volume of electricity to be delivered, the pricing mechanism, and the duration of the contract, although the exact details of these terms are part of the commercial negotiations between the two entities.

This commercial structure supports the long-term operational status of the Challicum Hills Wind Farm. Since its commissioning in August 2003, the wind farm has relied on these commercial agreements to maintain its economic sustainability. The partnership between Pacific Blue and Origin Energy exemplifies the collaborative nature of the energy infrastructure sector, where operators and utilities work together to deliver clean energy to consumers in the region. The stability provided by the PPA allows for continued investment in the maintenance and potential upgrades of the wind turbines, ensuring that the facility remains a reliable source of wind power in western Victoria.

History and Commissioning

The Challicum Hills Wind Farm represents a significant early-stage deployment of wind energy infrastructure in the state of Victoria, Australia. The facility was established near the town of Ararat, located in western Victoria. This geographic positioning was selected to harness the consistent wind resources characteristic of the region, contributing to the broader diversification of the local energy mix. The development of the site involved the installation of a specific configuration of wind turbines designed to optimize electricity generation for the grid. The project was brought to fruition through the efforts of the operator, Pacific Blue, which oversaw the construction and initial operational phases of the wind farm. The strategic location near Ararat allowed for efficient transmission of the generated power to surrounding communities and industrial centers in western Victoria.

Commissioning and Initial Setup

The power station was officially commissioned in August 2003. This commissioning date marked the entry of the facility into active service, beginning its contribution to the Victorian electricity network. The initial setup of the facility comprised 35 NEG NM 64 wind turbines. These specific turbine models were chosen for their reliability and efficiency in the local climatic conditions. The total generating capacity of the installed turbines amounts to 52.5 MW of electricity. This capacity was designed to provide a steady output of renewable energy, helping to stabilize the local grid and reduce reliance on traditional fossil fuel sources. The commissioning in August 2003 was a key milestone for Pacific Blue, demonstrating the viability of large-scale wind energy projects in the region. The successful integration of the 35 turbines into the grid required careful coordination with local network operators to ensure seamless power delivery.

Upon its commissioning, the Challicum Hills Wind Farm entered into a long-term Power Purchase Agreement (PPA) with Origin Energy. This agreement was crucial for the financial stability of the project, securing a consistent buyer for the electricity generated by the 52.5 MW facility. The PPA with Origin Energy provided a framework for the ongoing operation of the wind farm, ensuring that the power produced would be effectively utilized within the broader energy market. The establishment of this commercial relationship in 2003 helped to de-risk the investment and encouraged further development of wind energy infrastructure in Victoria. The initial operational phase focused on validating the performance of the NEG NM 64 turbines and optimizing the output of the 52.5 MW capacity. The success of this early project contributed to the growing confidence in wind energy as a reliable source of power in Australia. The facility has remained operational since its commissioning, continuing to deliver electricity to the grid under the terms of its long-term agreements.

Why it matters

Commissioned in August 2003, the facility was among the first major wind farms to come online in the state, helping to establish the region as a viable hub for renewable energy generation. Its construction and subsequent operation reflect the broader shift in Australia's energy landscape during the early 2000s, where wind power began to gain traction as a reliable and scalable alternative to traditional fossil fuel sources.

With a total generating capacity of 52.5 MW, the wind farm plays a notable role in the regional energy mix. The facility is equipped with 35 NEG NM 64 wind turbines, which collectively contribute to the electricity supply for the surrounding areas near Ararat in western Victoria. This capacity, while modest compared to modern large-scale wind farms, was substantial at the time of its commissioning and helped demonstrate the potential of wind energy in the region.

Such agreements are critical for stabilizing revenue streams for wind farm operators and ensuring consistent power supply for utilities. The PPA with Origin Energy highlights the confidence of major energy players in the viability of wind power in Victoria during this period, paving the way for additional investments in the sector.

The operational success of the Challicum Hills Wind Farm has also served as a model for subsequent wind energy projects in Australia. Its location in western Victoria, an area known for its favorable wind conditions, has influenced the siting of other wind farms in the region. The facility's ability to maintain consistent performance since its commissioning in 2003 demonstrates the durability and efficiency of wind technology in diverse environmental conditions.

Moreover, the wind farm contributes to the broader goals of reducing greenhouse gas emissions and enhancing energy security in Victoria. By harnessing the natural wind resources of the region, the facility helps diversify the state's energy portfolio, reducing reliance on coal-fired power plants and imported energy sources. This diversification is particularly important in the context of climate change mitigation efforts and the transition toward a more sustainable energy future.

In summary, the Challicum Hills Wind Farm holds considerable significance as an early adopter of wind energy technology in Victoria. Its commissioning in 2003 marked a pivotal moment in the state's renewable energy journey, setting the stage for further growth and innovation in the sector. The facility's ongoing operation and its role in the regional energy mix continue to highlight the potential of wind power as a key component of Australia's energy transition.

How does the Challicum Hills Wind Farm compare to other Victorian wind farms?

Challicum Hills Wind Farm represents an early generation of wind energy infrastructure in Victoria, Australia, characterized by its specific capacity and turbine configuration. This capacity is produced by 35 NEG NM 64 wind turbines. The farm is located near Ararat in western Victoria. It was commissioned in August 2003. The operator is Pacific Blue.

Technical Specifications and Capacity

The technical profile of Challicum Hills is defined by its 35 NEG NM 64 turbines. These units contribute to the total installed capacity of 52.5 MW. This capacity level places the facility within a specific range of wind farms in the region. The use of NEG NM 64 turbines indicates the technology standard at the time of its commissioning in 2003. The location near Ararat in western Victoria provides the specific wind resource characteristics for the site.

Comparative Context in Victoria

Within the context of Victorian wind farms, Challicum Hills serves as a reference point for early development. Its 52.5 MW capacity is a fixed metric for comparison. Other wind farms in Victoria may have different capacities and turbine technologies. The specific combination of 35 NEG NM 64 turbines is unique to this facility's configuration. The long-term PPA with Origin Energy highlights the commercial structure of the project. Pacific Blue operates the facility.

Metric	Value
Capacity	52.5 MW
Turbine Count	35
Turbine Model	NEG NM 64
Commissioning Date	August 2003
Operator	Pacific Blue
Location	Near Ararat, Western Victoria

The facility remains operational. Its age, since commissioning in August 2003, makes it one of the older wind farms in the state. The specific turbine model, NEG NM 64, is a key identifier for its technical generation class. The capacity of 52.5 MW is a significant contribution to the local grid. The partnership with Origin Energy through the PPA ensures the commercial viability of the project. Pacific Blue manages the operational aspects. The location in western Victoria is a key geographic factor.

What are the geographical and environmental factors influencing the site?

The Challicum Hills Wind Farm is situated near Ararat in western Victoria, Australia, a region characterized by open topography that facilitates consistent wind flow essential for energy generation. The facility occupies a strategic position within the state’s agricultural and semi-rural landscape, leveraging the natural aerodynamic properties of the area to maximize turbine efficiency. According to the, the site is defined by coordinates -37.38, 143.11, placing it in a zone where prevailing westerly and south-westerly winds are common, driven by the interaction between the Great Dividing Range and the coastal low-pressure systems of the Southern Ocean. This geographical context is critical for the operational stability of the 35 NEG NM 64 wind turbines that comprise the installation.

The local wind resources in western Victoria are among the most reliable in the state, providing the kinetic energy required to drive the turbine blades at optimal rotational speeds. The terrain surrounding Ararat features gentle undulations and relatively low vegetation density, which reduces surface roughness and turbulence, allowing for smoother airflow across the rotor sweep area. These environmental factors directly support the 52.5 MW total generating capacity of the farm, ensuring that the turbines can maintain consistent output levels throughout the year. The site selection process for the Challicum Hills project clearly prioritized these meteorological advantages, as the location offers a high capacity factor compared to inland or more sheltered regions of Victoria.

Environmental considerations also play a significant role in the site’s ongoing operation. The proximity to Ararat means that the wind farm integrates into a mixed-use landscape, balancing energy production with local agricultural activities and visual amenity. The 35 turbines are spaced to minimize wake effects, where the turbulence created by upstream turbines can reduce the efficiency of downstream units. This layout optimization is crucial for maintaining the performance of the NEG NM 64 models, which were commissioned in August 2003. The long-term Power Purchase Agreement with Origin Energy further underscores the confidence in the site’s wind resource consistency, as the financial viability of the farm depends on predictable energy yields over decades of operation. The environmental impact of the site is managed through careful monitoring of local wildlife, particularly bird and bat species that inhabit the western Victorian plains, ensuring that the wind farm’s footprint remains compatible with the regional ecosystem.

Challicum Hills Wind Farm