Best Greentech Providers

How Many Greentech Providers Products Does G2 Track?

Total Products under this Category: 56

Category Stats (Oct 2026)

  • Average Rating: 4.46/5 The average rating of products in this category, based on all submitted ratings

Last updated: October 20, 2026

How Does G2 Rank Greentech Providers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 0+ Authentic Reviews
  • 56+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

BrightBox

Brightbox generates, stores, and manage cleans affordable solar energy on your terms.

Average Rating: 4.8/5.0

Total Reviews: 3

Who Is the Company Behind BrightBox?

  • Seller: SunRun
  • Year Founded: 2007
  • HQ Location: San Francisco, California, United States
  • Twitter: @Sunrun
    49,760 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    10,634 employees on LinkedIn®
  • Ownership: NASDAQ: RUN

Who Uses This Product?

  • Company Size: 67% Small

What Are Recent G2 Reviews of BrightBox?

Powerpack

Powerpack supports a host of applications that offer commercial consumers and energy providers greater control, efficiency and reliability across the electric grid.

Average Rating: 3.8/5.0

Total Reviews: 2

Who Is the Company Behind Powerpack?

  • Seller: Tesla
  • Year Founded: 2003
  • HQ Location: Austin, US
  • Twitter: @Tesla
    24,794,998 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    77,332 employees on LinkedIn®
  • Ownership: NASDAQ: TSLA

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Powerpack?

What Are G2 Users Discussing About Powerpack?

PowerStore

PowerStore ensures power supply resilience, power quality, sustainability and cost-effectiveness in a broad range of applications.

Average Rating: 5.0/5.0

Total Reviews: 2

Who Is the Company Behind PowerStore?

  • Seller: Hitachi Energy
  • HQ Location: Zurich, Switzerland
  • Twitter: @ABBgroupnews
    151,491 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    37,761 employees on LinkedIn®
  • Ownership: NSE: POWERINDIA

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of PowerStore?

What Are G2 Users Discussing About PowerStore?

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Powerwall

Powerwall integrates with solar to store excess energy generated during the day and makes it available when needed, minimizing reliance on utility.

Average Rating: 4.3/5.0

Total Reviews: 2

Who Is the Company Behind Powerwall?

  • Seller: Tesla
  • Year Founded: 2003
  • HQ Location: Austin, US
  • Twitter: @Tesla
    24,794,998 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    77,332 employees on LinkedIn®
  • Ownership: NASDAQ: TSLA

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of Powerwall?

What Are G2 Users Discussing About Powerwall?

Reservoir

Battery energy storage systems are typically configured in one of two ways: a power configuration or an energy configuration, depending on their intended application.

Average Rating: 4.3/5.0

Total Reviews: 2

Who Is the Company Behind Reservoir?

  • Seller: GE Vernova
  • HQ Location: Cambridge, Massachusetts, United States
  • LinkedIn® Page: www.linkedin.com
    70,796 employees on LinkedIn®
  • Ownership: NYSE:GEV

Who Uses This Product?

  • Company Size: 50% Large, 50% Medium

What Are Recent G2 Reviews of Reservoir?

Helix LTC Pharmacy Management System

Advanced predictive analytics, battery storage and a portfolio of support services combine to deliver a simplified, turnkey solution for lowering energy costs.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Helix LTC Pharmacy Management System?

  • Seller: SunPower
  • Year Founded: 1985
  • HQ Location: Orem, US
  • Twitter: @SunPower
    59,077 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    3,464 employees on LinkedIn®
  • Ownership: NASDAQ: SPWR

Who Uses This Product?

  • Company Size: 200% Medium

What Are Recent G2 Reviews of Helix LTC Pharmacy Management System?

What Are G2 Users Discussing About Helix LTC Pharmacy Management System?

L1000 In-Building Distributed Energy Storage System

The L1000 Distributed Energy Storage System is an indoor packaged solution that is appropriate for buildings, campuses, enterprises and utility applications. The L1000 Distributed Energy Storage System employs a modular design for a scalable approach built on a common battery module.

Average Rating: 3.5/5.0

Total Reviews: 1

Who Is the Company Behind L1000 In-Building Distributed Energy Storage System?

  • Seller: Johnson Controls
  • HQ Location: Cork, IE
  • Twitter: @johnsoncontrols
    29,388 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    60,591 employees on LinkedIn®
  • Ownership: NYSE:JCI
  • Total Revenue (USD mm): $22,317

Who Uses This Product?

  • Company Size: 100% Medium

What Are G2 Users Discussing About L1000 In-Building Distributed Energy Storage System?

Li-ion / Polymer Cell

Due to the patented cell design, the energy density of the High Energy type SLPB's is extremely high, while the high power type SLPB's. The superior characteristics of Kokam's Lithium polymer battery are built using Kokam's distinct manufacturing technology.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Li-ion / Polymer Cell?

  • Seller: Kokam
  • HQ Location: Suwon-si, South Korea
  • Twitter: @KokamCoLtd
    98 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Li-ion / Polymer Cell?

NAS

NGK's NAS is a large scale battery system with many power grid applications.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind NAS?

  • Seller: NGK
  • Year Founded: 1919
  • HQ Location: Nagoya, JP
  • LinkedIn® Page: www.linkedin.com
    190 employees on LinkedIn®
  • Ownership: TYO: 5333

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of NAS?

PowerPod

Unlike lithium-ion based systems, EnergyPod 2 has no fire concerns and energy capacity does not fade over time. Its optimized design eliminates expensive and life-limiting components, membranes/separators, graphite electrodes, and complex plumbing, that spoil the economics of other flow batteries.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind PowerPod?

  • Seller: Primus Power
  • Year Founded: 2009
  • HQ Location: Hayward, US
  • Twitter: @primus_power
    1,594 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    17 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of PowerPod?

What Are G2 Users Discussing About PowerPod?

Powervault

Powervault stores electricity in your home using either Lithium-ion Phosphate cells or Lead Acid batteries. Powervault's Lithium-ion Phosphate cells can store 2kWh-6kWh of usable (AC) energy.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Powervault?

  • Seller: Powervault
  • Year Founded: 2012
  • HQ Location: London, GB
  • Twitter: @power_vault
    1,998 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    37 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Powervault?

AccESS

SimpliPhi combines non-hazardous LFP chemistry with its proprietary cell and battery architecture, power electronics, battery management system (BMS) and assembly methods to create safe, reliable, durable and highly scalable on-demand power solutions.

Who Is the Company Behind AccESS?

Advancion Energy Platform

Comprehensive control solution that includes patented performance algorithms for an extensive number of storage applications, intuitive HMI user interface, and data acquisition and historian services. System control can be accomplished through onsite HMI, remote HMI, or integration with external energy management system.

Who Is the Company Behind Advancion Energy Platform?

  • Seller: Fluence
  • Year Founded: 2018
  • HQ Location: Arlington, Virginia, United States
  • Twitter: @fluenceenergy
    4,766 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,946 employees on LinkedIn®
  • Ownership: NASDAQ: FLNC

ALM Lithium Ion Batteries

ALM Lithium Ion Batteries has high rate power delivery with consistent energy capacity.

Who Is the Company Behind ALM Lithium Ion Batteries?

Battery Guru

Battery Guru is the ultimate app for displaying battery info of your phone and tablet! With a wide range of features, we offer everything users need. Want to know your screen-on time? Or an estimate of power used while the screen was off? We save you time, everything is one click away. Set battery alarm, check battery temperature while charging, when fully charged, monitor battery health, all about battery life in a simple way. With Battery Guru, you have everything in the palm of your hand.

Who Is the Company Behind Battery Guru?

Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated