What part does the senate play in the Electoral voting?

Question

What does that senate do that affects the results? The congress?

Answer 1

In the event of an electoral tie the vote then moves on to the House of Representatives (not the senate) where it is decided.  In the event of a tie each state representative is given 1 vote for their state.  Then whoever gets the most votes there wins the election.  

So that's how congress effects the electoral process.

Answer 2

They aren't involved unless nobody gets a majority of the electoral votes. When that happens, the House chooses the President and the Senate chooses the VP.