The fundraiser courts money from groups in a coalition that recently launched a $1 million ad campaign against the bill.
A recent survey showed 80 percent of West Virginians polled believe Manchin should support the reconciliation bill.
“We must deliver for American families,” the representatives wrote in a CNN op-ed.
The lawmakers point out that nearly all value gained from subsidies goes straight to fossil fuel companies’ profits.
Progressives are promising to vote down a $550 billion bipartisan bill in order to salvage reconciliation.
The Poor People’s Campaign is currently urging activists to flood Manchin’s office with phone calls.
“This is what President Biden campaigned on, and we need to deliver,” says Rep. Ro Khanna.
Manchin owns $1 to 5 million in stock in a coal-tied company, which made him nearly $500,000 in dividends in 2020.
This marks the second instance in less than a year that the parliamentarian has blocked Democrats’ legislative goals.
“The question is whether we have the guts to stand up to what is an incredibly powerful lobby,” Sanders said.