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TALLAHASSEE (CBSMiami/NSF) –A committee pushing a proposed solar energy ballot initiative upped its fundraising last month to more than $154 thousand, according to reports released this week.

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That was the top fund-raising month for Floridians for Solar Choice and gave it an overall cash contribution total of $354,953, according to the state Division of Elections website.  Also, it had received a total of $236,562 in in-kind contributions as of June 30th.

Much of the cash influx in June came from a $50,000 contribution by a political arm of the Southern Alliance for Clean Energy and a $50,000 contribution from Coral Gables environmentalist Barbara Stiefel, the report shows.

Floridians for Solar Choice also spent $45,521 in June and had spent an overall total of $218,705.

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The proposed initiative, which would go on the November 2016 ballot, seeks to allow businesses and property owners to sell limited amounts of solar-generated power.

The Florida Supreme Court is scheduled to hear arguments Sept. 1st about whether the proposed ballot language meets legal requirements.

If the court signs off, Floridians for Solar Choice would have to collect a total of 683,149 signatures to get on the ballot.

It had submitted 98,472 valid signatures as of Friday afternoon, according to the Division of Elections website.

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(The News Service of Florida contributed to this report.)