The site-specific solar energy available
(referred to as “solar insolation”).
• The volume of water required in a given
period of time for livestock or irrigation
purposes, as well as for storage. (A
storage volume equal to a three-day
water requirement is normally
recommended for livestock operations as
a backup for the system’s safety features
and cloudy days.)
• The total dynamic head (TDH) for the
pump.
• The quantity and quality of available
water.
• The system’s proposed layout and
hydraulic criteria.