What ongoing service and spares does a drip or solar pump system need over the years?

Both systems are long lasting but they are not fit and forget, so factor in modest ongoing service. For drip, over the years you will replace the odd dripper or punched fitting, change filter screens or discs, occasionally repair a lateral cut by tillage or rodents, and do periodic acid or chlorine cleaning if your water leaves deposits. The annual cost of this is usually small relative to the system, mostly consumables and your own labour, but it is real and skipping it shortens the system life. For a solar pump, the panels need occasional cleaning to keep output up, the controller and pump may need service over time, and you want a vendor or service centre who can attend if the controller or motor fails. This is exactly why vendor choice matters: pick an empanelled company with local service reach and ask about warranty terms and spare availability before buying, not after. Keep a few spare drippers, end caps, and a spare filter element on hand so a small fault does not stop irrigation at a critical time. Confirm warranty and service commitments with the empanelled vendor and check the empanelled list and any service norms on your state portal.