Editor,
Over the past year, smart meters have been a major topic of discussion as BC Hydro sets about modernizing the province’s electrical grid and updating aging infrastructure.
Given the importance of this issue, I believe your readers would be interested in knowing more about one of the most significant, but lesser known, energy savings made possible by smart meters; namely, those energy savings achieved through voltage optimization and other operational efficiencies.
With old-fashioned analog electrical meters, an electrical utility has no way of knowing how much electricity is being consumed along the grid at any given moment.
To ensure that there is enough electricity available on to reliably meet consumption, utilities must therefore put more electricity onto the grid than they expect will be used.
Clearly, if more electricity is put onto the grid, a significant amount of electricity ends up going to waste and depending upon the time of year, the amount of extra energy going to waste ranges from eight per cent to as much as 14 per cent, with 10 per cent being a good, average rule-of-thumb.
With digital smart meters however, electrical utilities are able to receive real-time measurement data about the electricity demands being placed on the distribution grid.
This information allows utilities to gauge more precisely how much electricity actually needs to be placed on the grid at any given moment in time while still maintaining reliability of service.
Essentially, smart meters eliminate a major distribution unknown for electrical utilities and take guesswork out of the equation.
The end result is a significant reduction in wasted electricity because better data leads to less wasted energy while also helping to avoid the capital cost of new generating, transmission and distribution infrastructure.
David Field, B.C. Citizens for Green Energy