Demand response are the changes in electric usage by end-use customers from their normal patterns of electricity consumption to the price of electricity over time. Incentive payments are set up to lower electricity use at times of a high market price. In electrical grids the demand response is similar to dynamic demand mechanisms.
Dynamic demand is technology for adjusting load demand on an electrical power grid. There is a difference between the two is that one responds to requests to shut off where as dynamic just shut off when there’s issues in the grid. Demand response is used in large and small commercial and residential customers.
These programs can lower the costs you may have during a high price market. There are many different pricing areas of change whether it be a spike or a peak you may want to use there knowledge and lock in.
http://www.cpuc.ca.gov/PUC/energy/Demand+Response/
http://pearcalifornia.com/what-is-demand-response-program