EnerNOC Inc. is an excellent example of a company offering EDM services. The company is based in the USA. Each customer of EnerNOC has an EnerNOC Site Server (ESS) installed.
EDM requires measurement and control functionality at the customer site and the ESS implements this. Every ESS has a communications link back to a Network Operations Centre (NOC) that acts as a central control point. The name EnerNOC comes from a concatenation of Energy and NOC.
From the NOC, EDM can be implemented by either curtailing loads at the customer site or by starting diesel generators at the customer site. In either case load is removed from the grid, reestablishing stability.
EnerNOC is paid by the TSO for every MW of load removed from the grid. At times of grid instability the TSO is prepared to pay far more for load shedding than the normal cost of electricity. This money, paid by the TSO, is shared between EnerNOC and EnerNOCs customer.
Tim Healy is the CEO of EnerNOC. With a name like that there has got to be an Irish link there somewhere. Click on the following URL if you want to hear Tim talk some more about his company.
Imitation is the sincerest form of flattery. Ireland needs an EDM company with a business model similar to EnerNOC in order to further stabilise our grid so as to allow deeper penetration of wind power. In the Irish case we may also need to add load to the grid for stability to compensate at times that wind exceeds forecasted energy output. This could be done by using refrigeration or HVAC loads whose thermostat could be controlled. So, for example, a refrigeration plant normally run at -10C could go to -12C at times of surplus wind energy. Later when energy was scarce (and therefore more expensive) the thermostat could be reset to -10C.
It is my prime business objective to setup an Irish EDM company.