This con­tent has been writ­ten by the Intyal­heme Cen­tre for Future Ener­gy in col­lab­o­ra­tion with engi­neers and oth­er ener­gy indus­try experts with­in the Con­sor­tium Mem­ber organ­i­sa­tions of Alice Springs Future Grid, and on occa­sion, Project Asso­ciates. Please sub­mit your ques­tions, which will be answered in due course and shared on this plat­form if rel­e­vant and appro­pri­ate. You will be noti­fied via email when the answer is post­ed. Terms and con­di­tions are detailed on the sub­mit a ques­tion page. 

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Are outstation stand-alone power systems part of the 50% by 2030 renewable energy target?

Those supplied through IES (Indigenous Essential Services) are counted because their electricity use is metered. IES is a subsidiary of Power and Water Corporation. It services 72 remote communities and 66 outstations across the NT. In total there are 430 homelands and outstations in the NT. 130 renewable energy systems were installed by Bushlight, with many more funded through other programs. This means there will be renewable energy generated which is not counted in the target, but the amount is fairly limited.

Is it better for everyone to go fully off grid?

Many people in the Northern Territory rely upon off-grid power systems, especially in very remote settlements such as outstations and ranger stations. The Alice Springs grid provides interesting challenges because it is isolated, unlike the National Electricity Market which connects jurisdictions from Queensland to South Australia, including Tasmania. The more customers and generators that are connected to a grid, the fewer challenges are faced in maintaining grid stability. Therefore, removing yourself from the grid when you have the choice to be connected is not of any benefit to the community.

Can I go fully off-grid in town? What will it cost me?

With solar PV and batteries it is technically possible to go off-grid, but Alice Springs residents would need a very big battery or backup diesel generator to cover occasions where there is limited sun for consecutive days. The most common option is to install PV and BESS in proportion to household needs, and let the grid come to the rescue when its needed. In the future, plentiful PV and BESS will create a very resilient system, because it’s highly unlikely that they could all fail at once. For most people it is not financially viable to go off-grid, but as centralised energy generation incorporates a growing proportion of renewables, it means everyone will eventually be provided with cleaner energy.

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