Tesla is set to unveil a next-generation Megapack at the RE+ clean energy event in North America. The Megapack is a container-sized battery system that is used for utility-scale energy storage. Tesla has been a leader in using large Li-ion batteries for stationary energy storage since 2015 with the Powerwall and Powerpack.
Competition in the energy storage market is intensifying as Tesla’s battery suppliers are launching competing products. CATL, one of Tesla’s leading suppliers of battery cells, unveiled its own Megapack competitor called CATL Tener last year. This poses a challenge for Tesla as it now competes with its own supplier.
Despite this competition, Tesla still holds an advantage in power electronics. While CATL has the lead in energy storage, Tesla has expertise in power capacity and has integrated its own commercial inverter in the Megapack. CEO Elon Musk has hinted at integrating transformers into the product to reduce the need for separate substations and lower installation costs.
The next-generation Megapack is expected to bring incremental improvements in power and energy capacity, likely due to new and improved battery cells from suppliers. It may also be optimized for grid-forming, based on Tesla’s recent paper on the importance of grid-forming technology.
However, there are concerns about Tesla’s energy storage business facing similar challenges to its EV business. While Tesla is doing well in the US, it faces stiff competition in Europe and China. CATL has already secured several large-scale battery contracts, posing a threat to Tesla’s market share.
Overall, the unveiling of the next-generation Megapack is anticipated to bring advancements in energy storage technology. Tesla’s expertise in power electronics and potential innovations like integrated transformers could give it a competitive edge in the market. However, the company will need to navigate increasing competition and evolving market dynamics to maintain its leadership position in the energy storage industry.