Megapack energy storage industry chain

How much electricity does a Megapack store?

Resembling a white shipping container, Megapack weighs over 38 tons and can store 3.9 megawatt hours of electricity – enough to power 3,600 households for one hour. Official reports indicate that the initial production plan targets an annual output of 10,000 Megapack units, matching the capacity of Tesla's Lathrop, California, factory.

Is the Shanghai Megapack a good fit for large-scale energy projects?

The Megapack is designed to be infinitely scalable as well, making it a good fit for large-scale sustainable energy projects. The Shanghai Megafactory began production in early 2025, a record eight months after its May 2024 groundbreaking.

How much energy does a Tesla Megapack store?

The Tesla Megapack is capable of storing 3.9 MWh of energy, and they are designed for grid use. As per Tesla in its official website, each Megapack battery has enough energy to power an average of 3,600 homes for one hour. The Megapack is designed to be infinitely scalable as well, making it a good fit for large-scale sustainable energy projects.

How much does a Megapack cost?

A two-hour version of the Megapack, which offers 1.9 megawatt of power and 3.9 megawatt hours of energy, costs around US$2 million, before tax. This translates into over 3 yuan (41 US cents) per watt hour – two to three times higher than domestic alternatives, says energy industry analyst Zhang Jinhui.

Does Tesla have a Megapack battery?

Tesla has begun exporting Megapack battery systems from its Shanghai Megafactory, with the first shipment departing for Australia on Friday. This marks a key step in Tesla Energy’s expansion into the global energy storage industry, utilizing its new China-based Megafactory to supply several new markets.

Will Shanghai megafactory boost Tesla's battery storage deployments?

With an initial output of 10,000 units annually, equal to about 40 GWh, the Shanghai Megafactory has the potential to significantly boost Tesla’s battery storage deployments. As per a report from Xinhua News Agency, Tesla is expecting its energy deployments to rise 50% year-over-year this 2025.