However election specialists nonetheless expressed worries in regards to the quantity of private data being requested and the safety dangers, each to voters and to the electoral course of, that might include such a switch of knowledge. Such dangers have grown increasingly common in partisan election evaluations across the nation.

“That’s a very unhealthy concept to have personal data floating round in a Senate caucus,” mentioned Marian Ok. Schneider, an elections lawyer for the A.C.L.U. of Pennsylvania. “And it’s actually not clear how the information goes for use, who’s going to be it, who can have entry, the way it’s going to be secured. And it’s unclear to me why they even want the personally figuring out data.”

Republicans in a number of states have pursued related evaluations — misleadingly labeled “audits” to counsel an authoritative nonpartisan investigation — within the title of defending “election integrity.” The evaluations have typically centered on baseless claims and debunked conspiracy theories in regards to the presidential contest, spurred partly by the falsehoods promoted by former President Donald J. Trump and his allies.

President Biden received Pennsylvania by more than 80,000 votes, and the outcomes have been reaffirmed by the state’s Division of State.

“Everything of our proceedings immediately, issuing subpoenas, relies upon such a noncredible basis,” mentioned Anthony H. Williams, a Democratic state senator who represents an space close to Philadelphia. He added that it was “very troubling and, in reality, leads us to darker days on this nation, similar to when hearings like these, throughout the McCarthy period, have been held, the place voices have been silenced and liberties have been denied, being bullied by the ability of the federal government.”

State Senator Jake Corman, the highest Republican within the chamber, who accepted the evaluate final month, portrayed the investigation as merely making an attempt to tell future laws and lashed again at Democrats, asking what they have been “petrified of.”

“All we’re doing is in search of details, in search of data, in order that we will make higher public coverage,” Mr. Corman mentioned.