1. in operation or production; actively functioning or generating output
Usage: commonly used in industrial, energy, and manufacturing contexts

1. into or in a state of operation or production
Usage: often used with verbs like 'come,' 'go,' or 'bring'

Examples

• The new power plant came onstream last month and is now supplying electricity to the region.
• Once the factory goes onstream, it will produce 10,000 units per day.
• The company brought three additional refineries onstream to meet increased demand.
• The pipeline is expected to be onstream by next year.
• With the system now onstream, we can process orders more efficiently.
• They plan to have the manufacturing facility onstream within six months.