David Energy
David Energy (legal name: David Energy Systems, Inc.) is a New York City-based energy retailer and distributed energy resource (DER) operator that combines electricity supply with plug-in battery hardware and smart software to help homes and businesses beat their utility bills. The company's flagship "Beat the Utility Plan" deploys small, plug-in lithium iron phosphate (LiFePO4) batteries - roughly the size of a large toaster oven - at customer locations at zero upfront cost. David Energy's software platform manages when these batteries charge (when power is cheap) and discharge (during expensive peak periods), cutting demand charges and passing the savings directly to customers. As a licensed energy supplier in Con Edison's New York territory, David Energy also serves as the customer's electricity provider, aligning its business incentives with customer savings rather than consumption volume.
Beyond simple bill reduction, David Energy aggregates its deployed batteries into a virtual power plant (VPP), participating in grid programs and demand response markets. This "permissionless DER" approach - using standard 120V/240V outlets instead of requiring complex interconnection agreements, permits, or electrician installations - dramatically lowers soft costs and enables rapid scale. The company provides complementary services including automated bill monitoring, thermostat management, and dedicated energy advisors, serving well-known NYC businesses such as Black Seed Bagels, Domino's, Paris Baguette, Nitehawk Cinema, and Roberta's.
David Energy matters significantly to the US energy supply chain because it represents a new model for grid-edge flexibility: rather than building large centralized generation or storage assets, it aggregates thousands of small, low-friction DERs behind the meter to provide real grid services. As electrification and AI data center demand strain aging urban infrastructure, David Energy's approach offers a scalable, capital-light path to demand flexibility, peak reduction, and clean energy integration - all without burdening the interconnection queue. The company was recognized as one of America's Top Green Tech Companies of 2025 by TIME magazine, ranked in the top 250 of 4,600 sustainability-focused US companies.
Funding
5 total funding rounds including Seed and multiple Series A rounds. Lead investor on Series A is Cathay Innovation. Other known investors include BoxGroup. Total funding amount not publicly disclosed.
Investors
- Cathay Innovation
- BoxGroup
Key People
- James McGinniss, CEO & Co-Founder
- Ahmed Salman, CTO & Co-Founder
- Brian Maxwell, Co-Founder
- Brett Lotito, COO
- Katherine Tweed, Head of Corporate Affairs
- Vivek Bhagwat, Head of Engineering
- Teddy Cho, Head of Risk and Data
News
- Beard Papa's, Emack & Bolio's, and other NYC retailers are using these plug-in batteries to slash power costs
- 'People like cheap energy': the bagel shop saving money and emissions with plug-in batteries
- The rise of permissionless DERs (Catalyst podcast featuring David Energy CEO James McGinniss)
- America's Top Green Tech Companies of 2025 - David Energy recognized in top 250