Advanced Energy Resources

Who is AER

About - Wind turbine installation

Who is AER

Founded in 2006, Advanced Energy Resources (AER) is a diverse West Australian power generator, electricity retailer and energy company with extensive experience in the development, construction and operation of renewable energy generators.

AER is part of the Castelli Group which has a proud history of being WA owned and operated for over forty years. Each of our business sectors are driven by a focus on quality, integrity and sustainability, and are backed by the strength and integrity of the Castelli Group and a proven and diverse track record which sets us apart from other energy companies.

AER’s services are backed by in-house experience with its own generation facilities, and the construction and operation of facilities for other customers. AER owns, operates and was involved in the construction and development of the following facilities:

  • 2.4MW Mt Barker Wind Farm
  • 1.6MW Denmark Wind Farm
  • 700kW of distributed solar PV for the Castelli Group
  • 3.5MW Port Gregory Wind and Solar Farm
  • 360kW solar PPA for a large West Australian primary producer

AER is also a trusted installer of commercial solar energy systems ranging from 10kW – 300kW for WA business customers. With a solutions-based approach and a focus on value for money and customer service, AER designs and builds quality solar systems for its customers to reduce their business electricity costs.

AER’s experience spans a wide range of development, construction and operational capabilities which is backed by a team with over 70 years of experience in WA’s energy sector, technical capacity and proven project delivery experience.


AER’s Key Business Sectors

AER Icon Green - Solar


AER has extensive experience in the design, construction and operation of large scale solar energy systems up to 2MW.

AER Icon Green - Wind


AER designs, builds, owns and operates wind farms of up to 5MW and is one of the only WA companies specialising in wind energy.

AER Icon Green - Electricity Retail

Electricity Retail

AER supplies electricity to over 200 commercial and industrial electricity users with a combined load of over 7MW. AER is WA’s only electricity retailer moving toward supplying its customers with 100% renewable energy from its own renewable energy power stations.

AER Icon Green - Utility Services

Utility Services

AER provides a diverse range of services to power station developers and owners including operations and maintenance services, project feasibility studies, wind and solar resource assessments, project management/construction and turnkey project delivery.

AER Icon Green - Generation


AER owns and operates a portfolio of its own renewable energy and conventional fuel generation facilities. AER is also currently developing up to 20MW of solar and wind energy projects with a focus on delivering low cost renewable energy to customers with embedded generation and battery storage technologies.

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