Evironmental groups are arguing that Alabama Power's fees on home solar panels discourage their use and want federal regulators to step in.
The groups, along with homeowners, filed a petition with the Federal Energy Regulatory Commission saying that the Alabama Public Service Commission violated federal law when it upheld the fees by the power company.
The petition asks the commission to initiate an enforcement action against the PSC, directing it to order Alabama Power to sell electricity to solar customers at non-discriminatory rates.