Gov. Cuomo is scrounging for $836 million to fix the subways. Meanwhile, he’s handing out billions to businesses and getting little in return, as a devastating new report shows. Isn’t it time to stop throwing money away and put it where it’s needed?

Indeed, evidence that Cuomo’s alms for businesses is a huge waste is now overwhelming. The latest: Thursday’s report by the Rochester Democrat & Chronicle on just a few of his money-bleeding Upstate “economic development” schemes — those run by SUNY Polytechnic Institute.

Through those projects, Cuomo has shelled out billions in tax breaks or by footing the bill for new plants, only to see them fizzle:

After the state sunk $600 million into a Utica plant for Ams AG, the firm pulled out.

In Greece, Albany agreed to pony up $75 million for a 57,000-square-foot facility, vowing hundreds of jobs. Today the building’s near empty. New jobs? Few to none.

In Buffalo, the state’s paying a mind-boggling $750 million (almost enough for the entire subway fix) for a Tesla solar-panel plant. The company vows to start production by year’s end, but the plant’s long-term profitability is unclear.

Many of these projects were overseen by SUNY Poly’s founder, Alain Kaloyeros. Oops: Last September, he lost that $1 million-a-year gig after he was nabbed as part of a bid-rigging scandal.

Meanwhile, numerous other reports have cited the billions in breaks the gov hands out, with little to show for it — including $420 million a year for the film industry alone.

In March, a group of papers cited a spike in state and local aid, from $7.9 billion in 2010 to $8.6 billion in 2016. Yet upstate jobs on average grew just 2.7 percent in that time, a quarter of the national average. Four urban areas actually lost jobs.

Cuomo’s plan for new casinos to boost Upstate isn’t working either: Wednesday, officials from three new betting joints gave grim reports about their businesses.

In his first State of the State Address, Cuomo admitted that upstate was in an “economic crisis.” Despite billions in handouts, it still is. If he needs money for the subways, there’s, uh, an obvious answer.