Resonant Energy
Dorchester, US · Massachusetts LLC
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Resonant Energy designs and installs solar projects for affordable housing providers and nonprofits, handling assessment, custom savings proposals, financing options, permitting, installation, and access to federal and state incentives. It is a certified B-Corp with employee ownership, focused on reducing energy costs in underinvested communities across New England.
Founders & leadership
BU
Benjamin UnderwoodCo-founder
IB

Reported raises · per SEC filings
Form D private placements$520.3K disclosed across 2 rounds · 2021–2023
▶$75KraisedApr 2023 · 2 investors · Other EnergyRule 506(b)
▶$75KraisedApr 2023 · 2 investors · Other Energy
Rule 506(b)Officers, directors & promoters on the filing
- Alec HenryExecutive Officer, Director
- Madeleine BarrExecutive Officer, Director
- Benjamin UnderwoodExecutive Officer, Director
- Isaac BakerExecutive Officer, Director
- Offering amount
- $2.5M
- Amount sold
- $75K
- Minimum investment
- $10K
- First sale
- Mar 2023
- Incorporated
- Limited Liability Company, Massachusetts
- Federal exemptions
- 06b
▶$445.3KraisedJun 2021 · 13 investors · Other EnergyRule 506(b)
▶$445.3KraisedJun 2021 · 13 investors · Other Energy
Rule 506(b)Officers, directors & promoters on the filing
- Alec HenryExecutive Officer, Director
- Isaac BakerExecutive Officer, Director
- Benjamin UnderwoodExecutive Officer
- Madeleine BarrExecutive Officer, Director
- Offering amount
- $1M
- Amount sold
- $445.3K
- Minimum investment
- $15K
- First sale
- Jan 2021
- Incorporated
- Limited Liability Company, Massachusetts, 2016
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Related companies · 3
EnergySageEnergySage operates an online marketplace where consumers and businesses can compare and shop for clean energy products such as solar panels, battery backup power, heating and cooling systems, electric vehicles, and smart home technology. The platform also offers clean energy financing and publishes market reports like its Solar & Storage Marketplace Report.
MassCECMassCEC is a venture capital and investment fund that commits $50 million through 2030 to support climatetech companies, with a focus on hard technologies that reduce greenhouse gas emissions, advance clean energy, and build community climate resilience. The fund invests in Massachusetts-based companies across the climate solutions sector through various instruments including SAFE notes, convertible notes, and equity.
SunrunSunrun provides residential solar panels and battery storage systems to homeowners, offering installation, monitoring, maintenance, and financing plans such as leases and monthly subscription options. It operates across the United States, serving over one million homes.
Companies working in the same space as Resonant Energy.
Frequently asked questions
- What does Resonant Energy do?
- Resonant Energy designs and installs solar projects for affordable housing providers and nonprofits, handling assessment, custom savings proposals, financing options, permitting, installation, and access to federal and state incentives. It is a certified B-Corp with employee ownership, focused on reducing energy costs in underinvested communities across New England.
- Who founded Resonant Energy?
- Resonant Energy was founded by Benjamin Underwood, Isaac Baker.
- How much funding has Resonant Energy raised?
- Resonant Energy has disclosed $520.3K raised across 2 rounds.
- Where is Resonant Energy headquartered?
- Resonant Energy is headquartered in Dorchester, US.



