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Lookout Massachusetts, there is a new solar battery in town. Boston Solar is now offering Generac PWRcell solar batteries. Yes, that Generac of the home generators. Generac recently acquired Neurio Technology and Pika Energy to create their PWRcell battery.  But with Tesla Powerwall, sonnen eco and other solar battery products on the market, how do you know which one is right for your Massachusetts home? 

Let’s uncover some of the benefits of combining battery storage to the design of your residential solar energy installation project, and which solar battery products might be best for the energy goals you have for your home. 

 

Why Battery Storage?

Utilizing solar energy in your Massachusetts home has many enticing benefits, like reducing your carbon footprint, reducing your energy bills, and even increasing the resale value of your home. However, a well-designed and installed system of solar panels can often generate more energy than a home will use during the peak sunlight hours — meaning all that excess energy is sent back to the grid for use in other homes, in return for a net metering credit

Battery storage allows for all that excess renewable energy to be saved for later, maximizing on all of the benefits of solar! Not only does it save all of your clean energy for use in your own home 24/7, but it can also further reduce your energy bills by helping to avoid peak demand electricity prices by load shifting from grid-use electricity to battery use. Plus, solar batteries qualify for the savings of the federal solar tax credit

Additionally, a solar plus storage system can protect your home from unexpected power loss and keep your lights on during a power outage

There are multiple options when it comes to solar batteries, so which solar battery option is going to be best for you?

 

Your Solar Battery Guide

Not every solar installation contractor offers multiple options when it comes to solar battery storage. But as the number one Massachusetts based solar installer, we know that Bay Staters want to choose an energy storage system that fits their unique energy needs while offering some of the highest quality products available. 

Here at Boston Solar, we install:

  • Tesla Powerwall

  • Generac PWRcell

  • sonnen eco

Each of these products have their own unique features and strengths — let’s take a closer look. 

 

Tesla Powerwall

Capacity: 13.5 kWh at 7kW peak / 5kW continuous with a 5kW power rating

Additional Features: AC battery, Easy monitoring and optimization, seamless backup transition

Tesla Powerwall is one of the more recognizable brands in the solar battery industry. One of the most impressive stats when it comes to the lithium-ion Tesla Powerwall solar battery is its depth of discharge, meaning you can completely deplete the energy stored in your Tesla Powerwall, while minimizing the capacity loss of the next charge. Tesla Powerwall comes with a warranty that guarantees it will maintain a 70% capacity over 10 years. 

 

Generac PWRcell

Capacity: 17.1kWh storage capacity with 10kW peak power / 6.7kW continuous power 

Additional Features: DC battery, easily scalable up to 34.2kWh, greater raw power, Generac Inverter, automatic transfer switch, smart management and energy monitoring

Generac is known for making backup generators, but is now offering a power backup option that is free of fossil fuels and combines with solar energy. The capacity of the Generac PWRcell is the largest on the market when it comes to residential solar batteries, making it much easier to be flexibly scaled alongside your solar PV system and was created in mind to time-shift energy loads during peak rate periods.  

The warranty of the PWRcell is measured in the total historical output of the battery, or 10 years time, whichever comes first. The cost of Generac vs. Tesla house batteries is comparable, so choosing the right battery backup between the two requires looking at the size of your system, and your future energy goals. With Generac’s plug & play system and being DC coupled, install is easier than Tesla Powerwall or a sonnenBatterie. 

 

sonnen eco and sonnen ecoLinx

Capacity: range in capacity from 5-20kWh with power ranging from 3kW to 8kW

Additional Features: AC battery, Multi-touch display, built-in automatic backup switch for off-grid use

What sets the sonnen eco series of solar batteries apart from other batteries is its chemistry of the lithium iron phosphate (or LFP). Being an LFP battery, makes the sonnenBatterie one of the most reliable, safe and long-lasting lithium battery technologies currently available. It comes with a warranty that guarantees it will maintain a 70% capacity over 10 years as well as (or 10,000 battery cycles). 

 

How Do You Want to Use Your Solar Energy?

Are you ready to include battery storage into your solar installation plans, so you aren’t losing out on an ounce of your renewable electricity? Get in touch with the Boston Solar team, and we can help answer system-specific questions like how long a Tesla battery lasts, how to charge your electric vehicle with solar, and get you started with a free quote to learn how a solar plus battery storage system can fit into your home’s energy needs. 


Wondering what solar battery system is right for your home? Ask about battery storage today! Call Boston Solar at 617-858-1645 or get in touch here.

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