By Brett Duguay | BD Electrical & Solar | September 30, 2026
Most homeowners focus on how much electricity they use. Increasingly, energy planning also asks when they use it and which loads can move to a different hour.
That shift is taking shape in Massachusetts. The practical opportunity is a home whose solar, battery, charging, and other electrical equipment work together. The important qualification is that future rate proposals should not be treated as savings already available on today’s bill.
What is actually on the table?
On April 8, 2026, the Massachusetts Department of Energy Resources petitioned the Department of Public Utilities to investigate time-varying electric rates. DOER also published a time-of-use rate proposal and supporting analysis.
Those materials describe a policy direction and proposed framework. They do not, by themselves, establish an approved rate, enrollment date, or savings amount for every customer. Before evaluating an investment, use the tariff and program terms that actually apply to the property.
Why the hour can matter
Under a time-of-use structure, the price of electricity depends on the time period in which it is consumed. Moving an eligible load from a more expensive period to a less expensive one can reduce cost. That is different from reducing total energy consumption.
EV charging offers an intuitive example. If the car will remain parked until morning, some charging may be shifted without changing how much energy it receives. Heating, medical equipment, and other essential loads have different constraints. A sensible control plan begins with the household’s needs.
Three kinds of control
Visibility tells you what circuits are using. It can reveal a large, persistent load or help explain an unexpected bill, but information alone does not reduce consumption.
Scheduling changes when equipment operates. A charger can follow a defined schedule, provided that schedule still meets the driver’s departure needs.
Power management adjusts eligible loads to maintain a defined electrical limit. That is a capacity function. It is not the same thing as selecting the cheapest hour.
A smart panel may participate in more than one of these functions, depending on the product, system configuration, and available integrations. They should be explained separately in a proposal.
A battery introduces another decision
Stored energy can support a house during an outage or shift energy between time periods. Using it for one purpose can reduce what is available for the other. The design should establish a backup reserve and explain how any external program affects operation.
Do not assume that a future rate structure makes every battery economical. Equipment costs, losses, cycling, the difference between rates, and the amount of energy actually shifted all matter. A useful evaluation can show today’s case and a clearly labeled future scenario.
What to do now
Plan compatible equipment and practical pathways for future work. Keep access to system monitoring and ask who can change operating settings. If a proposal depends on a future program, ask to see the result without that assumption as well.
BD can evaluate smart panels and load management alongside solar, batteries, and EV charging. The goal is a system that solves a present need while remaining useful as rates and programs evolve.
Policy sources checked September 30, 2026: Massachusetts Electric Rate Task Force and DOER time-of-use rate proposal.