 These systems cause radio interference as documented in April 2016 QST magazine a publication of the ARRL.In September 2017, as part of a legal settlement with the federal government, SolarCity agreed to pay a $29.5 million penalty regarding allegations that the company overstated the cost of facilities it developed and submitted claims for under the American Recovery and Reinvestment Act of 2009, which would be a violation of the False Claims Act.SolarCity dropped its lawsuit, "Sequoia Pacific Solar I, LLC v. United States"—in which the company alleged the federal government owed it more money—as part of the settlement.