Conventional pumped hydro systems use vertically separated reservoirs to utilize the power of water and gravity;
during times of low demand (off peak), water is pumped using excess energy from the lower to the upper reservoir.
Not exact matches
The cost
of a holiday is often
lower during term
time, with companies responding to higher
demand by putting up prices
during school breaks.
During his
time at Sierra Club, he worked with members, staff, and allies to
demand that people in
low - income communities and communities
of color have access to clean and renewable energy industry jobs and careers.
The Iowa Stored Energy Park has been proposed to store air in an underground geologic structure
during time periods
of low customer electric
demand and high wind.
Each
of these 84 instances was for ICE's off - peak product for power delivered
during the periods
of time when electricity
demand is
lowest (including a block
of eight hours overnight as well as all day Sunday).
During times of high wind flow and
low demand, the excess energy could be stored in something akin to a giant battery.
There were no high - ratio mortgages then, thus your parents would have to have been able to come up with 25 %
of the price via the down payment, which few could pull off
during those
times, thus keeping prices down due to
low demand.