Category Archives: Energy Storage

lg chem resu review

LG Chem RESU: the complete review

LG is a leader in the home electronics industry and manufactures some of the most popular panels featured in quotes to shoppers on the EnergySage Solar Marketplace. Outside of making some of the highest quality solar panels on the market, LG’s battery subsidiary, LG Chem, produces one of the most popular batteries in the U.S. market: the LG Chem RESU 10H battery.

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sonnen eco review

sonnen eco: the complete battery review

sonnen is one of the biggest names in energy storage technology, and in 2016 the company announced a new battery designed for home use: the sonnen eco. The eco is a fully integrated energy storage system that includes an inverter and smart energy management software. Property owners with solar that install a home battery like the eco are able to store excess solar electricity for use later in the day. As a result, properties with solar-plus-storage can increase their total monthly savings in certain markets. 

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energy storage in california

Breaking down the consumer demand for batteries in California

Throughout the country, interest in energy storage systems is increasing. In fact, residential energy storage installations increased 500% from 2017 to 2018, according to the Smart Electric Power Alliance (SEPA). Nowhere is this more apparent than in California, where energy storage has truly taken off. 

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types of batteries

Comparing lithium-ion battery chemistries

Lithium-ion batteries are the most popular products used for solar electricity storage today. Within the umbrella category of lithium-ion batteries, there are several specific chemistries that battery manufacturers employ in their products. These chemistries each have their own advantages and disadvantages, as well as ideal use cases.

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solar battery warranties

Battery warranties: what you need to know

Similar to your laptop or cell phone battery, solar batteries degrade over time: as you continue to use and charge your battery, it loses the ability to hold a charge. Fortunately, solar battery manufacturers provide warranties that guarantee the performance of a battery to a certain level. In this article, we’ll dive into what matters in a solar battery warranty, and how some of the top solar batteries – Tesla Powerwall 2, LG Chem RESU 10H, and sonnen eco – stack up.

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home with solar panels and a battery

Does solar-plus-storage still work during an outage?

Battery storage paired with solar panels is a great way to save money on electricity bills in the long term, especially with new rate plans like time-of-use becoming more prevalent. But does adding a battery mean you’ll be able to produce, store, and use electricity with solar when the grid is down? Do you even need a battery? In this article, we’ll dissect how solar and storage can make for an effective grid resiliency technique.

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storage solutions and inverter companies

Comparing storage options from inverter companies

As interest in energy storage increases from homeowners across the country, more and more solar equipment manufacturers are beginning to offer their own energy storage solutions. In fact, a number of solar inverter companies have recently launched, or are on the verge of releasing their own energy storage systems. Here’s a list of the storage options developed by inverter manufacturers that are currently or soon-to-be-available for homeowners in the US.

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soleil lofts

Soleil Lofts’ virtual power plant: what you need to know

In August 2019, the solar and storage industries took a giant leap forward with the introduction of the Soleil Lofts virtual power plant project. The apartment complex, which lies just south of Salt Lake City, Utah, is a unique, first-of-its-kind collaboration between a building developer, an energy storage company, a major utility and a local solar installation company. To learn how the Soleil Lofts project came together, and to get a feel for the lessons learned during the process, EnergySage sat down with Jess Phillips, the CEO and founder of Auric Energy, the solar and energy storage developer responsible for the project.

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ac coupled vs dc coupled batteries

AC vs. DC solar battery coupling: what you need to know

Solar batteries are becoming popular additions to solar energy projects of all scales. When it comes to the way your solar panels, batteries, and inverters are all wired together on your property, there are two main options: alternating current (AC) coupling and direct current (DC) coupling. Both AC and DC coupling have advantages and drawbacks that are dependent on the specifics of your solar plus storage installation.

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