Home electrification projects like heat pump or heat pump water heater installation allow your home to run on carbon-free energy and can put you on the path toward zero net energy!
But as you're getting ready to install new all-electric appliances, you may be wondering whether your electrical panel can handle the additional load. Keep reading for answers to some of the most common questions we hear about electrical panel upgrades for home electrification.
When do you need to upgrade your electrical panel?
Electrical panels typically last for 25-40 years. If your panel is within that age range, it’s a good idea to schedule an inspection with a qualified electrician. You should also have your electrical panel inspected if you’re thinking about installing new appliances, installing solar panels, building an addition, or renovating your home.
How do you know if your electrical panel needs to be upgraded?
Some common signs you need a new electrical panel include:
- You don’t have enough outlets in your house
- Your electrical panel frequently trips or blows fuses
- Your electrical panel is rusted or otherwise damaged
- Your lights flicker randomly or when you turn certain appliances on
- There’s a crackling or buzzing sound coming from your panel
- There’s a burning smell coming from your electrical panel or outlets
Is there a difference between an electrical panel upgrade and an electrical panel replacement?
These terms are often used interchangeably but they don’t mean the same thing. An electrical panel upgrade increases the amperage in your home's electrical system. This might be needed if your home requires more power than it did when it was built, for example, if you've added major appliances. An electrical panel replacement involves installing a new breaker box without increasing the amperage. This may be necessary if your breaker box is damaged.
Do you need an electrical panel upgrade for a heat pump?
You may need to replace your electrical panel for a heat pump or ductless mini split installation, but it isn’t always necessary. A 100-200 Amp panel is usually powerful enough to support a heat pump, but if you already use a lot of electricity, the additional load could put you over the threshold. It’s best to ask your heat pump installer or schedule an inspection with an electrician.
Do you need an electrical panel upgrade for an all-electric home?
Many people believe that they will have to replace their breaker box before installing all-electric home appliances, but that isn’t always the case. Modern homes are typically built with a 200 Amp panel, which is enough to support a number of electric appliances. Older homes typically have 100 Amp panels, which may also be able to support an all-electric home. However, the decision ultimately comes down to how much electricity your home consumes and the load your electrification upgrades will add. Older electrical panels should be inspected before an electrification project to make sure they can support the new load.
Do you need to upgrade your electrical panel for solar?
Solar panel systems typically need a 200 Amp electrical panel. If you currently have a 100 Amp panel, you will likely need to upgrade your service before you can install solar panels. Your solar installer will be able to inspect your breaker box and let you know whether it can support your new solar panel system. If you don’t need an upgrade for solar panels but are thinking about installing battery storage and/or an EV charger down the line, it might make sense to upgrade your panel now to prepare for the addition.
Do you need a permit to upgrade an electrical panel?
In California, you need an electric permit before you can upgrade or replace your main electrical service panel.
Can you upgrade your electrical panel yourself?
Unless you’re a licensed electrician, you should not attempt to upgrade your electrical service or install a new electrical panel yourself. Upgrading an electrical panel involves more than simply replacing the breaker box. It’s a big job that can be dangerous when not done correctly. While there are many home improvement projects you can take care of yourself, an electrical panel replacement is best left to an experienced electrician.