March 2026

A Homeowner’s Guide to Rising Energy Costs

If your electric bill has been creeping up, you’re not alone. Across the country, homeowners are seeing higher monthly energy costs, even when their usage hasn’t changed. While the causes are complex, the takeaway is simple: electricity is getting more expensive, and it’s not slowing down.

Why Electric Bills Are Increasing

Rising utility rates
Utilities continue to raise prices to support grid upgrades, maintenance, and rising fuel costs.
Peak demand pricing
Electricity costs more during high-demand hours, typically in the late afternoon and evening when homes are using the most energy.
More energy use at home
From EV charging to remote work and smart devices, households are consuming more electricity than ever before.
Weather-driven demand
Longer heat waves and colder winters mean HVAC systems are running more often, increasing overall usage.

What You Can Do About It

Be more strategic with energy use
Shifting when you use electricity can help reduce costs, but it doesn’t fully protect you from rising rates.
Add solar power
Solar allows you to generate your own energy during the day, reducing reliance on the grid. But without storage, you may still need to buy power at higher rates later on.
Add battery storage
Battery storage gives you control over when you use energy so you can avoid peak pricing, store excess solar, and keep your home running during outages.

Go Beyond Savings: Turn Your System Into an Asset

For many homeowners, energy storage is no longer just about backup power. Its about unlocking additional value. With the Fortress Power EnergyBroker program, your solar and battery system can become a source of extra income.

EnergyBroker connects your system with your local utility, allowing your stored energy to support the grid when demand is highest — while helping you earn incentives in return. Here’s how it works:

Recurring revenue
Earn upfront and ongoing performance incentives by allowing your battery to participate in grid services.
Seamless integration
Works directly with Fortress Power systems and Guardian monitoring—no additional hardware required.
Utility partnerships
Active across multiple locations (including 16 states plus Puerto Rico) with both pilot programs and long-term utility contracts.
Grid support & resilience
Helps reduce peak demand and stabilize the grid, contributing to a more reliable and sustainable energy system. EnergyBroker also optimizes when your stored energy is used, whether that’s lowering your bill or generating additional earnings.

Take Control with Fortress Power

Fortress Power solutions are designed to give homeowners more control over their energy without adding complexity. With the right system in place, you can:

Reduce dependence on the grid
Avoid high peak-time rates
Keep your home powered during outages
Participate in programs like EnergyBroker to maximize system value

Built on safe, reliable lithium iron phosphate (LFP) technology, Fortress Power systems are engineered for long-term performance and peace of mind.

Electric bills are rising, but homeowners now have more options than ever. By combining solar, battery storage, and smart programs like EnergyBroker, you can reduce your costs, improve your home’s resilience, and even create new value from the energy you store.

Ready to Learn More?

Discover how Fortress Power can help you take control of your energy and get more from every kilowatt-hour. Get started today.

Fortress Power Partners with Renewable Energy Solutions to Support C&I Energy Storage Projects in California

Blog, Solar Batteries

Fortress Power has partnered with Renewable Energy Solutions (RES) to support commercial and industrial (C&I) battery energy storage system deployments across California, with continued project support in Hawaii.

Through this collaboration, the two teams aim to simplify the deployment of complex energy storage projects. RES will serve as Fortress Power’s exclusive partner for C&I deployments in California. In this role, the RES team helps coordinate engineering, project execution, and commissioning between contractors, engineers, utilities, and distribution partners.

As part of this collaboration, RES works closely with project stakeholders to specify Fortress Power energy storage systems that meet project requirements. In addition, each system aligns with UL standards, utility interconnection requirements, and AHJ codes. From early design through commissioning, the RES team collaborates with engineers and contractors to refine system designs, coordinate installation, and support system startup.“

“In today’s C&I market, delivering hardware and software alone is no longer enough.”

RES works closely with project stakeholders to specify Fortress Power energy storage systems that meet project requirements. In addition, each system aligns with UL standards, utility interconnection requirements, and AHJ codes. Throughout the project lifecycle, the RES team collaborates with engineers and contractors to refine system designs. The team also coordinates installation and supports commissioning to help keep projects on schedule.

Devon Yousif, P.E. from Renewable Energy Solutions configuring Fortress Power’s eSpire 280 in Chino Hills.

“In today’s C&I market, delivering hardware and software alone is no longer enough,” said Jing Yu, CEO of Fortress Power. “Customers need white-glove technical expertise and hands-on support to navigate complex requirements. Our partnership with RES helps ensure projects move from concept to commissioning with the coordination and technical depth customers expect, especially in complex markets like California.”

As commercial energy storage adoption grows, projects require more than hardware. They depend on coordination across engineering, installation, compliance, and long-term system performance.

Because of this, the partnership between Fortress Power and Renewable Energy Solutions helps simplify complex C&I deployments. The collaboration supports projects as they move from design to deployment.

Together, the two teams are helping accelerate commercial energy storage adoption while strengthening grid resilience. Learn more about Fortress Power’s C&I energy storage solutions.

eSpire Nano: A New Standard for Small & Medium Commercial Energy Storage

Blog, Solar Batteries

As energy demands continue to grow across commercial facilities, businesses need energy storage systems that are powerful, adaptable, and easy to deploy. Many traditional commercial battery systems are large, complex, and time-consuming to install—creating barriers for smaller commercial sites that still need reliable energy management.

The eSpire Nano changes that.

Launching Summer 2026, the eSpire Nano from Fortress Power is a compact, modular commercial battery energy storage system (BESS) designed specifically for small and medium commercial & industrial (C&I) environments. It combines commercial-grade performance with residential-speed commissioning, allowing installers to deploy systems faster while helping businesses take greater control of their energy.

What Is the eSpire Nano?

The eSpire Nano is a compact, outdoor-rated commercial battery system designed for distributed energy projects and small to mid-sized commercial properties.

Unlike large containerized energy storage systems that require extensive infrastructure, Nano is engineered with a simplified modular architecture that significantly reduces installation time and system complexity.

This streamlined design enables projects to be deployed up to three times faster than traditional container-based systems, making commercial energy storage more accessible for a broader range of facilities.

When paired with Keystone Energy Management System (EMS), Nano intelligently optimizes how energy is stored and used based on utility rates, demand charges, and facility load profiles.

Built for Real-World Commercial Environments

Many commercial energy storage solutions are designed primarily for large-scale industrial or utility deployments. The eSpire Nano is purpose-built for smaller commercial environments that still require advanced energy management capabilities. Typical use cases include:

Retail locations
Quick Service Restaurants (QSR)
Small industrial facilities
Offices and warehouses
Schools and campuses
Agricultural operations
Fuel stations
Microgrids
Distributed energy portfolios

Its compact footprint and flexible architecture allow Nano to be installed in locations where traditional systems may be impractical due to space or infrastructure constraints.

Commercial Energy Applications

The eSpire Nano supports a wide range of commercial energy strategies that help businesses manage costs, improve resiliency, and adapt to changing grid conditions.

Supported applications include:
Self-consumption optimization
Backup power protection
Export control for grid compliance
Off-grid operation
Microgrid integration
Peak demand shaving
Time-of-use energy optimization
Smart load control

These capabilities allow businesses to reduce reliance on the grid while capturing greater value from their energy systems.

Built For Faster Commercial Deployments

Speed and simplicity are critical when deploying energy infrastructure at commercial sites. The eSpire Nano is designed to streamline the entire installation and commissioning process. Its compact, modular design reduces installation complexity, helping contractors complete projects faster while lowering total system costs. Installers can commission systems in under 10 minutes using a guided commissioning app, dramatically reducing the time required to bring systems online.

The system also integrates easily with solar installations thanks to AC or DC coupled flexibility, allowing developers to deploy it across both new and existing energy systems.

Key Features of the eSpire Nano

The Nano platform includes several features designed to simplify installation while supporting advanced commercial energy management.

Commission System in Less Than 10 Minutes
A guided commissioning app allows installers to configure systems quickly and bring them online in just minutes.

Built-In Rapid Shutdown Transmitter
Nano includes a module-level rapid shutdown transmitter to simplify integration and meet safety requirements.

AC or DC Coupled Flexibility
Supports both AC-coupled and DC-coupled configurations for seamless solar integration.

Compact Commercial Footprint
Designed for tight commercial environments where space is limited.

Multi-Voltage Compatibility
Supports common commercial voltage environments including 208V, 220V, 240V, and 480V.

Smarter Energy Optimization with Keystone EMS

The Keystone Energy Management System (EMS) unlocks advanced energy optimization across commercial operations. Keystone continuously analyzes facility energy patterns, utility pricing structures, and demand charges to intelligently control how stored energy is used throughout the day. By automatically responding to changing energy conditions, the platform helps businesses:

Reduce peak demand charges
Increase solar self-consumption
Improve operational resilience
Maximize return on energy investments

This intelligent energy management enables facilities to adapt to changing grid conditions while maintaining reliable, cost-efficient operations.

Proven C&I Track Record + White-Glove Service

The Nano platform is built on Fortress Power’s extensive experience deploying commercial and industrial energy storage systems across diverse industries. Projects are supported by dedicated technical experts who assist throughout the project lifecycle—from design guidance to system commissioning. This ensures commercial customers and installers have the resources they need for successful deployments.

Your Gateway to the C&I Energy Storage Market

For installers and energy developers looking to expand into commercial projects, Nano provides a simplified pathway into higher-margin C&I energy storage installations. By combining commercial-grade performance with installation simplicity, Nano helps teams confidently scale their business into new market opportunities.

The next phase of commercial energy storage requires systems that are powerful, adaptable, and practical to deploy. The eSpire Nano brings those elements together in a platform designed to simplify installation while delivering the performance commercial environments demand. For installers, developers, and businesses looking to expand into distributed energy storage, Nano opens the door to faster deployments and new project opportunities.

Coming soon. Discover more about the eSpire Nano here.

Solar Is Only Half the System: Why Energy Storage Is the Real Power Move

Blog

Solar Appreciation Day is a reminder of how far renewable energy has come. Solar has transformed rooftops, commercial buildings, farms, and industrial sites across the country.

But, solar alone is no longer the full story. Generation is step one. Control is step two.Today’s energy market demands more than clean power. It demands reliability, flexibility, and smarter energy management. That’s where battery storage changes everything.

Why Solar Alone Isn’t Enough Anymore

For years, installing solar meant reducing utility bills and lowering carbon impact. That still matters, but the grid has changed.

Utilities are adjusting rate structures
Demand charges are increasing
Net metering policies are shifting
Outage frequency is rising in many regions

Without storage, solar systems remain dependent on grid conditions and rate structures. Excess generation is often exported at lower compensation rates. During outages, most grid-tied systems shut down for safety. Battery storage solves these gaps.

By pairing solar with a battery energy storage system, energy can be stored, dispatched strategically, and used when it provides the greatest value.

Solar + Storage: From Generation to Control

Adding battery storage turns a solar system into a flexible energy platform. With the right configuration, systems can:

Provide backup power during outages
Reduce demand charges for commercial facilities
Shift energy usage away from peak utility pricing
Support energy arbitrage strategies
Enable load management across critical circuits

For commercial and industrial sites, storage is often the difference between simple energy offset and true energy optimization. For homeowners, it means whole-home backup, greater independence, and peace of mind during extreme weather.

AC vs DC Coupling Explained

DC-Coupled Systems
Solar panels connect directly to a hybrid inverter that manages both PV production and battery charging. This design can improve efficiency and simplify new installations.

AC-Coupled Systems
Battery storage is added on the AC side of the system, allowing it to integrate with existing solar arrays. This is especially useful for retrofit projects and expanding capacity without redesigning the original PV system.

Both approaches offer flexibility depending on site conditions and project goals. The key is choosing equipment designed to support scalable growth and real-world deployment conditions.

What to Look for in a Battery Storage Platform

As storage adoption accelerates, not all systems are built the same. Installers, developers, and EPCs should evaluate:

Modularity
Can the system scale as energy needs grow?

Voltage Compatibility
Does it integrate seamlessly into 208V and 480V infrastructure?

Commissioning Simplicity
Does the platform reduce on-site time and complexity?

Energy Management Integration
Can the system provide visibility, automation, and load control?

Cold Weather Performance
Does the battery operate reliably in varying climates?

Modern battery platforms are no longer just backup devices. They are intelligent energy assets that must perform consistently in residential, commercial, and light industrial environments.

The Future of Solar Is Solar + Storage

Solar Appreciation Day is about recognizing the impact of renewable energy. But the next phase of growth is defined by integration.

Solar generates power. Storage determines when and how it is used. As rate structures evolve and energy resilience becomes a priority, solar + storage is quickly becoming the standard rather than the upgrade.

At Fortress Power, we believe energy systems should be flexible, scalable, and built for real-world conditions. Whether it is residential backup, commercial demand reduction, or modular C&I deployment, pairing solar with intelligent battery storage is the smarter strategy for 2026 and beyond.

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