Renewables cost fossil-fueled generators up to $157 million and reduce fuel costs by $7 billion
Renewable energy: in a 33% renewable scenario on the western grid there is a net savings of over $6.8 billion dollars each year
From a system perspective, wind and solar can increase annual operating costs for fossil-fueled generators by $35 million to $157 million, while reducing fuel costs by $7 billion reports NREL.