Best Energy Efficiency Tech Companies in Pennsylvania, United States
The 79 best Energy Efficiency Tech companies in Pennsylvania, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Viridity Energy.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency Tech companies in Pennsylvania
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Viridity Energy Demand side management by online software | $76M | 121 mo ago | 27 | — | — | — | — | — |
| 2 | Sapient Industries Provider of AI-driven energy management system | $21M | 62 mo ago | 28 | Sam Parks Co-Founder & Chief Product Officer | WebflowApple iCloud MailGoogle Workspace+15 | Top 10M | 16 patents Location-based advertising platforms and region-aware IoT analytics for targeted digital media | — |
| 3 | InspectionGo SaaS-driven building inspection solutions for facility managers | $10M | 27 mo ago | 36 36 → 69 (+92%) | Chad Hett Co-Founder | WordPressApple iCloud MailGoogle Workspace+36 | Top 10M | — | — |
| 4 | Powercast Provider of wireless power technologies, devices, development kits, and design services | $10M | 230 mo ago | 14 | Joe Walton co-founder | WordPressMySQLPHP+28 | Top 10M | 263 patents Wireless RF power transfer and energy harvesting for battery‑less IoT devices | 1 launch |
| 5 | Encentiv Energy Online platform offering energy efficiency incentive solutions | $7M | 64 mo ago | 27 | — | — | — | — | 3 launchs |
| 6 | Crystalplex Develops alloy gradient quantum dots (QDs) for the Optoelectronics industry | $6M | 83 mo ago | 4 | Matt Bootman CEO & President | — | — | 41 patents Nanocrystal quantum dot dispersion and stabilization for optoelectronic devices | — |
| 7 | The Efficiency Network Provider of building energy efficiency management solutions | $6M | 123 mo ago | 29 29 → 59 (+103%) | Rob Campbell Pe President and Co-Founder | SanityTailwind CSSEmotion+8 | Top 50M | — | 1 job opening |
| 8 | Boss Controls Energy management system with smart plugs | $5M | 93 mo ago | 15 | — | — | — | — | — |
| 9 | CeeLite Provider of the flat light emitting capacitor and LED lighting products | $4M | 222 mo ago | 90 | — | — | — | 11 patents Electroluminescent lighting modules with constant‑brightness control and safety circuitry | — |
| 10 | Fischer Block Developer of power system management and sensor data analytics for smart grid | $4M | 94 mo ago | 3 | — | — | — | 26 patents Predictive maintenance and condition monitoring for power and wind turbine assets | — |
| 11 | Tangent Energy Energy as a Service company optimizing distributed energy resources with technology | $3M | 116 mo ago | 25 | — | — | — | — | — |
| 12 | BERT Provider of IoT-enabled smart switches and plugs | $950K | 158 mo ago | 25 | Scott Yetter CEO | — | — | — | — |
| 13 | HiberSense Premier online platform for direct web slots, offering secure gaming | $775K | 78 mo ago | 5 | — | — | — | — | — |
| 14 | LeanFM Technologies Provider of an AI-driven smart 3D building visualization management platform | $605K | 74 mo ago | 8 | Burcu Akinci Co-Founder & CIO | — | — | — | — |
| 15 | Kapsul Manufacturer of connected, modular air conditioning units for residential climate control | $420K | 96 mo ago | 5 | Kurt Swanson Co-Founder & CEO | WixSentryZoho+7 | Top 50M | — | — |
| 16 | Lumigent Provider of services and software solutions for lighting retrofits | $375K | 151 mo ago | 4 | Bart Pasternak Chairman & CEO | — | — | 2 patents Database activity auditing and access control compliance systems | — |
| 17 | Appalachian Lighting Systems Provider of LED lighting systems | $300K | 192 mo ago | 6 | Jim Wassel Founder & CSO & CTO | — | — | — | — |
| 18 | Akeptus Provider of AI-based home automation systems for energy management | $150K | 23 mo ago | — | Nana Wilberforce Founder & CEO | — | — | — | — |
Top 12 Energy Efficiency Tech companies in Pennsylvania
#1
Series A · Altoona, Pennsylvania · founded 2019 · 36 employees$10.5Mraised▾
SaaS-driven building inspection solutions for facility managers. The platform enables users to manage home inspection businesses. Users can schedule inspections with the call center. The platform provides services including booking services, recruiting/training services, marketing/business coaching, and accounting services.
- Mar 2024Series A$6.6M
- Jul 2023Series A$5.5M
#2
Funding Raised · Mars, Pennsylvania · founded 2019$150Kraised▾
Akeptus is a provider of AI-based home automation systems for energy management. It enables users to economise monthly bills and reduce carbon emissions through automatic control of lighting, water, heating and cooling usage. Its AI-based system automatically learns optimal settings and facilitates energy monitoring for various appliances. It allows remote connection and management of all home devices from a unified platform. It integrates with smart water monitoring systems, lights and plugs.
- Jun 2024Grant (prize money)$150K
#3
Acqui-Hired · Philadelphia, Pennsylvania · founded 2008 · 27 employees$76.5Mraised▾
Viridity Energy is a Demand Side Management platform which regulates and controls the Demand Side/Consumer side of the Power market. Through its online software, VPower, it assists C&I power consumers optimize their power costs by accessing the power pool of the wholesale power market. To counter the losses that might occur due to mandatory DR programs, the users are offered Energy Intelligence through the platform to buy power from the wholesale market at a lower cost than Utilities, thus helping them reduce their energy costs. Apart from this they also assist renewable energy storage developers and generators in combinong renewable energy with storage and produce dispatchable electricity that the electric grid can rely upon. By combining solar with storage, the customer has a new opportunity to generate revenue through the wholesale markets and access tax credits designed to increase storage penetration.
- May 2016Series D$8.5M
- Apr 2015Series C—
- Aug 2012Series C$15M
- Jan 2011Series B$14M
#4
Series A · Philadelphia, Pennsylvania · founded 2018 · 28 employees$21.5Mraised▾
Provider of AI-driven energy management system. The system is a combination of smart outlets and smart power strips which run on a cloud-based machine learning platform. The software tools provide building power usage stats, with disaggregation based on devices, and automatically eliminates sources of energy wastage. The hardware products include a cloud-based smart outlet and power strip, which can be controlled via a web application.
- Apr 2021Series A$20M
- May 2020Seed$300K
- Jan 2019Seed$1.1M
- May 2018Seed$100K
#5
Series A · Pittsburgh, Pennsylvania · founded 2009 · 27 employees$6.9Mraised▾
Online platform offering energy efficiency incentive solutions. It offers a platform for identifying and keeping track of energy efficiency incentives and financing opportunities. It also provides energy audit, project financing, and energy advisory services.
- Jan 2021Series A$2.7M
- Sep 2016Series A$2.4M
- Jun 2016Series A$1.1M
- Mar 2015Seed$75K
#6
Series A · Pittsburgh, Pennsylvania · founded 2003 · 4 employees$6.2Mraised▾
Crystalplex works on nanotechnology for wavelength engineering to develop high performance LED lights and displays. The firm develops nanocrystals for photoluminescent, electroluminescent and photovoltaic applications. The nano-illumination technology is capable of yielding light with precisely controlled color temperature and diffusion.
- Jul 2019Conventional Debt$326.1K
- Jun 2019Series A$50K
- Apr 2018Series A$908K
- Oct 2016Series A$2.1M
#7
Seed · Pittsburgh, Pennsylvania · founded 2012 · 15 employees$5.4Mraised▾
Boss Controls is an Internet of Things (IoT) energy management and controls company. Boss designs, markets, and sells patent pending, cloud-based, WiFi enabled product solutions and software. Their product includes 120V smart plug for smaller loads and 220V smart plug for heavy loads which can measure appliance level consumption. Atmospheres®, their cloud-based platform collects data from smart plugs and provides the web and mobile interfaces data. Boss works with schools and commercial for monitoring and managing energy. They also work with utilities for demand response programs
- Sep 2018Seed$825K
- Oct 2017Seed$120K
- May 2017Seed$250K
- Sep 2016Seed$1.2M
#8
Acquired · Pittsburgh, Pennsylvania · founded 2012 · 29 employees$5.8Mraised▾
Provider of building energy efficiency management solutions. The company develops, designs, and manages energy-saving retrofit projects that address lighting, HVAC, envelope, and water systems. They provide smart solutions for street lighting and smart cities.
- Mar 2016Series A$1.5M
- Dec 2014Series A$4M
- Mar 2013Seed$147.8K
- Mar 2012Seed$150K
#9
Series A · Pittsburgh, Pennsylvania · founded 2003 · 14 employees$10Mraised▾
Provider of wireless power technologies, devices, development kits, and design services. The company offers radio frequency, magnetic resonance, and inductive wireless power solutions. It provides antenna design, product design, engineering, and manufacturing services. The company's technologies aim to reduce the need for wires and batteries.
- Mar 2007Series A$10M
#10
Series A · Royersford, Pennsylvania · founded 2013 · 3 employees$3.8Mraised▾
Developer of power system management and sensor data analytics for smart grid. It offers a solution to simplify the installation, operation, and maintenance of large and distributed sensor networks, fault anticipation and detection, substation monitoring, synchrophasor streaming, power quality, troubleshooting, distributed energy resources monitoring, and cyber threat reduction solutions to improve energy reliability and prevent power outages by application of data analytics and predictive analysis techniques intelligent recording devices and a software analytics System, which analyzes three-phase RMS and high-speed data.
- Aug 2018Series A$3.5M
- Feb 2016Seed$300K
- Jan 2015Seed—
#11
Acquired · Kennett Square, Pennsylvania · founded 2009 · 25 employees$2.8Mraised▾
Energy as a Service company optimizing distributed energy resources with technology. They combine an energy solutions technology platform with expert insights and managed services to provide distributed power solutions. Their solutions manage distributed energy resources in an energy provider’s service area and optimize economic returns from customer energy systems. They provide all components required for a successful EaaS solution, differentiating them from the competition. By combining a technology platform with energy industry expertise and DER operational experience, they provide an EaaS offering. Their distributed energy resource management platform has been used for more than a decade to monitor, manage, and monetize mission-critical DER assets. The platform is also used by energy providers to gain system-wide DER visibility and control and use those insights to enhance customer engagement. They offer monitoring, management, monetization, project development and third-party financing.
- Oct 2016Series A$2.5M
- Aug 2012Seed$300K
#12
Deadpooled · Villanova, Pennsylvania · founded 2004 · 90 employees$4Mraised▾
Provider of the flat light emitting capacitor and LED lighting products. The company provides lighting products for doors, floors, and walls. The products can be bent, folded, and stuck anywhere. The products are controlled by a remote control system.
- Dec 2007Series A$4M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Pennsylvania researches in energy efficiency
- Pennsylvania State University16
- University of Pennsylvania10
- California University of Pennsylvania1
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.