There are six different ideas floating around, and the goal is to narrow it down to one.
The company is adding 19,000 square feet to its office near Appleton.
A power line is proposed to run from just north of Appleton to the town of Morgan in Oconto County.
Some witnesses have come forward, but investigators are still looking for the public's help.
The incident happened Tuesday afternoon in Oshkosh.
Watch the complete news conference with police and prosecutors releasing more details on the arrest of Nicholas Tuinstra.
The death is being considered suspicious until police can determine how the man died.
Nicholas Tuinstra, the estranged husband of one of the victims, has been arrested in a Berlin double murder case.
The two people killed in Berlin Saturday night died of multiple gunshot wounds, Berlin Police Chief Dennis Plantz said.
The outgoing congressman's case has been forwarded to the Committee on Ethics for further review.