Are you referring to a program that the State of New Jersey offers or the power company. In my case First Energy (JCP&L) stated on their web site that they would reimburse part of the cost but when I applied in November 2023, they stated that this had expired.
When I went to the State of New...
One concern about updating the battery back is the availability in the future of a replacement battery pack when/if needed. Hopefully, if Rivian can make a replacement less expensively in the future, that this will be available at less cost when needed when a replacement is needed for my 2023...