Revenues from services performed on fuel cell systems and related infrastructure were $16.9 million, up 29.6% year over year.Revenues from power purchase agreements were $23.2 million, up 26.8% year over year. The company generated revenues of $29.5 million from fuel delivered to customers and related equipment, reflecting an increase of 61.1% year over year. Revenues from other sources decreased 55.1% year over year to $0.63 million.Plug Power, Inc. Price, Consensus and EPS Surprise Plug Power, Inc. price-consensus-eps-surprise-chart | Plug Power, Inc. QuotePLUG's Costs & ExpensesThe company's total cost of sales in the quarter was $207.5 million, down 25.7% year over year. Selling, general and administrative expenses were $80.8 million, up 3.7% year over year.