The non-business energy tax credits originally expired after 12/31/2017. They retroactively now expire after 12/31/2020. So the credits are now good for tax years 2018 and 2019. They were already available for 2017. If you wish to claim the credits for those back years and you have filed already, you will need to amend your returns.
If you used TurboTax Online, simply log in to your account and select “Amend a return that was filed and accepted.” If you used our CD/download product, sign back into your return and select “Amend a filed return."
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