The phrase "and potential to keep" is correct and usable in written English.
It can be used when discussing the ability or capacity to maintain or retain something, often in a context of growth or sustainability.
Example: "The new policy has shown significant benefits, and potential to keep improving our overall efficiency."
Alternatives: "and ability to maintain" or "and capacity to sustain".
Developing and refining the incubator has been "quite a long process" he says, and the design still has the potential to keep growing and developing even past the first stage of manufacture: "... in the back of my head I'm still working on things that could be put onto this... the more you get into the neonatal world the more you realise how much there is [to do]".
Whatever its other intentions "17 Kids and Counting" has the potential to keep the culture wars raging along.
They have done a great job to become the second fastest team and have a lot of potential to keep improving.
Adding non-music content, including podcasts and video, also has the potential to keep users within the Spotify app for longer".
Even less so when you're already under fire for "RomneyCare", and your devout Mormonism has the potential to keep otherwise sympathetic evangelical voters away.
He is still developing but he has the potential to keep improving and he is an excellent lad to have around".
According to classical physics, an array of such charges is unstable and collapses to a point, so to prevent this from happening, Born and his colleagues introduced a repulsive potential to keep the atoms apart.
Refrigerant and solution reservoirs are designed to store potential to keep the system operating continuously without sunlight.
The efficiency to the supply chain has enough potential to keep retailers, wholesalers and distributors using the system – but at arms length.
"It has the potential to keep the profits that are made on the business, and any other surpluses within Wales and within the railway franchise," he said.
