Enlarge / Bloomberg Best of the Year 2017: Powerpacks which will be used to form the world’s largest lithium-ion battery stand on display during a Tesla Inc. event at the Hornsdale wind farm, operated by Neoen SAS, near Jamestown, South Australia, on Friday, Sept. 29, 2017. (credit: Carla Gottgens/Bloomberg via Getty Images)
In the first half of 2018, energy sales from Tesla’s 100MW/129MWh battery installation at the Hornsdale Wind Farm in South Australia brought in €8.1 million in the first half of 2018.
€6.7 million ($ 7.8 million) of that revenue came from frequency control services. Another portion of the revenue was generated through a 10-year contract that Neoen has with Australian grid managers to purchase AUD $ 4 million (€1.4 million, USD $ 2.9 million) worth of electricity per year. The contractual revenue is before interest, tax, depreciation, and amortization, however, so actual numbers may be higher or lower.
The battery itself cost €56 million ($ 66 million), documents say.
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