I was lucky enough to spend about 10 weeks with AEMO over the 24/25 summer. AEMO stands for Australian Energy Market Operator. They look after the wholesale and retail of the electricity market, including taking bids from generators and ensuring that the NEM has enough power supply for the predicted needed energy. They are also the system operator and planner for the NEM, the NEM is the network that goes through Queensland, New south Wales, South Australia, Victoria and Tasmania. This means that they help add generators to the network as well as any other supply or additional resources that may be needed. During this time, I worked on a battery project which had two stages both stages having a battery of 336MVA. My goal for this project was to review the PSSE and PSCAD RUGS (releasable user guides) for the battery site. I also looked at the PSSE model, to understand how it worked and ensure that it aligned with the RUG provided. The battery project that I helped on is important to AEMO as it is helping get Australia to net zero sooner as it is another step closer to getting away from using coal and gas to generate electricity. The good thing about batteries is that it is helping to address the duck curve of the current use of electricity by charging when there isn’t lots of load in the network and while solar energy is at its peak. It will then be able to discharge during the peak time of energy usage between about 5 – 9 pm. This is especially true for South Australia where this battery will be located as solar input into the network during the day is the highest around Australia. Often the rooftop solar on homes will provide the South Australia network with all of the power that is needed for an extended time in the middle of the day. This will hopefully have an impact on the community by implementing another battery within the NEM customers will not have to pay as much for electricity especially at peak times. It will also help to reduce carbon emissions creating fresher area for Australians. Over the course of working through this project, I found it difficult to review a document that I had never seen before. It was also challenging not always knowing what to look for and not completely understanding the terminology. To overcome this, I did lots of research into what terminology meant as well as looking at previously reviewed documents that have been done to understand what the document that I was reviewing was meant to look like. I also used the people around me and asked them to help me and explain what I might have missed.