Solutions / Energy Storage

Energy Storage

Reliable backup power and energy independence for Maine homes and businesses.

Battery storage systems designed to provide backup power, improve energy resilience, and work seamlessly alongside solar energy systems.

Overview

Energy storage designed for Maine conditions

Energy storage systems help homeowners and businesses store electricity for use during outages, peak demand periods, or times when solar production is low.

Whether paired with solar panels or integrated into an existing electrical system, battery storage can provide added reliability, greater energy independence, and improved control over your energy usage.

Battery Backup

Reliable power when you need it most

Battery backup systems store energy for use during outages and utility interruptions, helping keep important systems running when grid power is unavailable.

Arranged electrical units and control panels on a construction site with wooden beams and a concrete floor.

Benefits of Battery Backup

  • Reliable backup power during outages
  • Greater energy independence
  • Better use of solar energy production
  • Reduced reliance on utility power
  • Quiet, automatic operation

Common Backup Applications

Essential household circuits
Refrigeration & appliances
Internet & communication
Heating systems
Business-critical equipment

Storage Solutions

Storage for homes and businesses

Battery storage works at any scale. The right system depends on the property, the priorities, and the energy goals.

For Homeowners

Residential Storage

Residential battery systems can help homeowners improve energy resilience while supporting long-term energy efficiency goals.

May Help With

  • Storm outage protection
  • Energy independence
  • Solar energy storage
  • Reducing grid reliance
  • Supporting off-grid applications

Systems are sized based on your home, energy usage, backup priorities, and long-term goals.

For Businesses

Commercial Storage

Commercial battery systems help businesses and organizations improve operational resilience and better manage energy usage.

Commercial Benefits

  • Backup power for critical systems
  • Improved operational continuity
  • Better energy management
  • Reduced exposure to utility interruptions
  • Long-term energy planning support

Ideal for businesses, farms, municipal buildings, schools, nonprofits, and commercial facilities.

Off-Grid Power

Greater energy independence

Reliable power without relying on utility infrastructure.

Off-grid systems combine solar energy, battery storage, and optional generator support to provide dependable power year-round — designed for properties that need it most.

Ideal for: Remote homes, camps, cabins, agricultural operations, and properties seeking complete energy independence.
Solar Panels
Battery Storage
Backup Generators
Energy Monitoring
Custom Electrical Configurations

Premium Solar Batteries

Reliable energy storage built for Maine

The quality of your battery system matters. Sundog Solar installs proven battery technologies selected for safety, reliability, and long-term performance.

Electrical equipment and inverter system on a wall with some pipes and wires.

Common Battery Options

  • Lithium Iron Phosphate (LFP)
  • Lithium NMC
  • Tesla Powerwall
  • Enphase IQ Batteries
  • Simpliphi Systems
  • AGM & Deep-Cycle

Battery recommendations are based on your energy usage, backup goals, and system size.

Incentives & Financing

Explore available savings opportunities

Battery storage systems may qualify for incentives, financing programs, rebates, or tax-related opportunities depending on project type and eligibility. Because programs and eligibility can change over time, please contact us to review the most recent financing options.

Frequently Asked Questions

Answers to common questions about energy storage

  • Yes. Battery systems can sometimes be installed independently, though they are commonly paired with solar energy systems.

  • Backup duration depends on system size, energy usage, and which systems are being powered.

  • In many cases, yes. Existing systems can often be upgraded with battery storage.

  • Many modern battery systems automatically switch to backup mode during outages.

  • Yes. Modern battery systems are designed to operate reliably in Maine conditions when properly installed.

  • No. Battery storage is commonly used alongside grid-tied solar systems as well.