Data centers are emerging as a prominent voter issue ahead of the November elections, creating political challenges for Republicans who support expansion while voters and campaigners focus on electricity costs and land use. Senate Democrats blocked Ohio Republican Sen. Jon Husted's Ratepayer Protection Act, which would require states and some utilities to consider making large-load customers pay additional costs caused by their electricity demand. The House passed the bill in September with strong bipartisan support, but Senate Minority Leader Sen. Chuck Schumer favors the GRID Savings Act, authored by New Mexico Democrat Sen. Martin Heinrich, arguing that Husted's ratepayer protections are voluntary. Prediction-market pricing also shows moderately higher probabilities of data-center moratoriums in Louisiana, Missouri and Oklahoma. Experts say residential customers will bear some AI buildout costs, although the amount depends on utility contracts, retail rates, infrastructure accounting and regulatory decisions. Maryland households have been estimated to pay $168 to $216 more annually, while PJM's Independent Market Monitor estimates data centers have cost 67 million ratepayers about $29 billion over roughly two years. Lawmakers may revisit cost protections after the November elections, while state legislative developments and announcements could affect moratorium-related market pricing.