Our Blog

March 25, 2020

How to calculate the energy cost of different battery chemistries?

Over 90% of newly installed energy storage worldwide are paired with Lithium batteries, even though the cost of the lithium batteries is much higher than the that of Lead Acid batteries. Why do developers, investors and utilities prefer Lithium over Lead Acid. The answer is simple, it delivers much more cycles and it costs substantially less over its life span. Our engineers have studies and tested Lithium Iron Phosphate (LFP or LiFePO4), Lithium Ion (Lithium Nickel Manganese Cobalt) and Lithium Polymer (LiPo),

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September 11, 2019

Case Study: Bayamon, PR

Armando & Maria, business owners who reside in Bayamon, PR know what it’s like to live without power. After Hurricane Maria, the couple was without power for almost 4 months and were relying primarily on a diesel generator for electricity. The couple decided to have an off-grid solar + storage system installed at the home office building of their business, BlueGreen Roofing Solutions, to protect against future grid failures and weather events. They enlisted local contractor TK

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August 27, 2019

Case Study: Montego Bay, Jamaica

Ward’s Power Tools, located in Montego Bay, Jamaica, is one of the largest retailers of generators and heavy-duty construction equipment on the island. They have used a solar + storage system to provide power to the store since 2015. →

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August 15, 2019

Case Study: Off-Grid in Western North Carolina

Greg & his family live in a remote location in the beautiful mountains of western North Carolina. Living on top of a mountain in a secluded location comes with a host of benefits, but the family encountered one major drawback as they prepared the site to build their home: the closest grid power was a mile away. →

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August 9, 2019

Case Study: Fortress ESS for Self-Supply

A young family living on the island of St. Croix was looking to cut electricity costs and guard against an unreliable grid. As Airbnb hosts with frequent guests, it was especially important to keep the power running seamlessly. →

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June 27, 2019

Case Study: Doylestown, PA

At Fortress Power, we love seeing installations of our batteries in places across the US and across the globe. However, it’s also exciting to see the batteries at work right in our own backyard. Fortress Power recently teamed up with Bucks County, PA solar installer, Moore Energy, on a project in the beautiful borough of Doylestown. →

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How Do Solar Batteries Work and Why Do I Need One?

Solar batteries can make the difference between having and not having power during the harsh weather. In recent years, climate change has led to an increase in weather-related disasters. Millions of people across the globe have been affected by extreme weather conditions such as heat waves, heavy downpours, severe floods and droughts, increased wildfire activity and rising sea levels. These extreme weather events often result in power outages, leading homeowners to find ways to protect against blackouts, such as solar or photovoltaic (PV) systems.

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May 2, 2019

Case Study in Utila, Honduras

Michael, who lives on the remote island of Utila, Honduras enjoys living beach-side and loves the consistently warm and sunny weather. The municipal power where he lives, however, is very unreliable. →

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April 16, 2019

Fortress Power Goes to Washington

Barry Moore, president of Fortress Power, recently traveled to Washington, D.C. with members of the Pennsylvania Conservative Energy Forum (PennCEF) to discuss clean energy initiatives with top policymakers. →

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