TESIAC
TESIAC is a private infrastructure investment and development platform that finances, owns, and operates utility-scale distributed energy assets, integrating fuel cells, battery storage, and microgrids to serve data centers, industrial manufacturers, and municipal enterprises with resilient behind-the-meter power.
- Company typePrivate
- Founded2019
- HeadquartersBoston, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What TESIAC does
TESIAC is a private infrastructure investment and development platform company founded in 2019 and headquartered in Boston, with additional operating presence referenced in Birmingham, Alabama and San Francisco. The company acquires, finances, owns, and operates utility-scale energy assets, focusing on next-generation infrastructure that integrates fuel cell technology, battery energy storage, microgrids, distributed energy resources, and EV/hydrogen charging infrastructure into behind-the-meter power generation systems. TESIAC serves three primary customer segments — data centers (now described as AI-driven), industrial manufacturing facilities, and municipal enterprises — each requiring resilient, reliable, on-site power with optionality to sell into the grid.
The company's core offerings span three categories: Energy Solutions (on-site power generation, battery storage, microgrids, EV/H2 charging, Behind-the-Meter delivery), Innovative Capital (project financing and development capital with long-tenor structures), and Digital Solutions (digital asset management, open APIs, data analytics, and a cross-asset communications and optimization platform). TESIAC positions itself as an integrator rather than as an OEM, leveraging strategic alliances with Carlyle Group (capital), Schneider Electric (technology integration), Diversified Energy (coal mine methane and natural gas feedstock and operations), and FuelCell Energy (fuel cell systems) to deliver turnkey power projects. The March 2025 Acquisition and Development Company (ADC) with Diversified Energy and FuelCell Energy targeted 360 MW of off-grid data center capacity across Virginia, West Virginia, and Kentucky; the August 2025 launch of Dedicated Power Partners (DPP) shifted the firm from bespoke combined heat and power projects to a scalable, productized turnkey power generation business model. Disclosed scale includes enterprise value over $850M and a headcount in the 11–50 range, indicating an asset-light platform with significant project-level capital under management.
The business model combines managed asset ownership (long-duration revenue from power generation assets and grid optionality), professional services (project development and integration fees), and project finance (capital structuring across the JV coalition). Pricing is quote-based and not publicly disclosed. Customer concentration sits with hyperscale and industrial power users; no specific end-customer logos are disclosed. No public listing, no disclosed venture funding rounds, and no parent company are evidenced; ownership structure is not publicly detailed.
TESIAC firmographics
Firmographics- Name
- TESIAC
- Legal name
- TESIAC
- Website
- https://tesiac.com
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- TESIAC is a private infrastructure investment and development platform that finances, owns, and operates utility-scale distributed energy assets, integrating fuel cells, battery storage, and microgrids to serve data centers, industrial manufacturers, and municipal enterprises with resilient behind-the-meter power.
- Ownership category
- akta.pro rank
TESIAC industry classification
Industry- Product category
- Energy Infrastructure Investment and Development
- NAICS
- Electric Power Generation, Transmission and Distribution (2211)
- SIC
- Cogeneration Services & Small Power Producers (4991)
- akta.pro primary industry
- Onsite Low-Carbon Heat & CHP (Electrified CHP, Fuel Cells, Renewable CHP) (EUABAJAI)
- akta.pro secondary industries
- Waste Heat Recovery & Heat Integration (HRSG/ORC, Pinch Analysis, Heat Exchangers) (EUABAJAF), Renewable Energy & Clean Tech Access (Off-grid, Energy Poverty Solutions) (BPAGALAE)
Keywords
Where TESIAC is headquartered
LocationHeadquarters
- HQ city
- Boston
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
TESIAC business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Infrastructure, Operations, Technology or R&D, Personnel, Marketing or Sales
Revenue model
- Energy Asset Investment and Development: Acquires, finances, and optimizes performance of utility-scale energy assets. Creates long-term value through ownership and operation of distributed energy resources including microgrids and power generation infrastructure.
- Power Generation Project Development: Develops and deploys turnkey power generation solutions for data centers and industrial facilities, leveraging strategic partnerships for project financing and execution.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
TESIAC product offering
Product offeringCore offering
TESIAC is a private investment and development platform company focused on next-generation energy infrastructure. It acquires, finances, develops, and operates distributed energy assets — including microgrids, on-site power generation, battery energy storage systems, EV/H2 charging infrastructure, and behind-the-meter solutions — primarily targeting data centers, industrial manufacturers, and municipal enterprises. The company deploys capital alongside technology partners such as FuelCell Energy, Diversified Energy, Carlyle Group, and Schneider Electric to deliver turnkey, resilient, decentralized power solutions.
Product overview
TESIAC operates as an investment and development platform company for next-generation infrastructure, offering a unified portfolio of three core services: Energy Solutions (on-site power generation, battery storage, microgrids, distributed energy, EV/H2 charging), Innovative Capital (project financing and investment strategies), and Digital Solutions (asset management, APIs, data analytics). The company also provides Behind-the-Meter solutions and community reinvestment programs. TESIAC's approach integrates these services through partnerships, including an Acquisition and Development Company (ADC) with Diversified Energy and FuelCell Energy for off-grid data center power projects.
Differentiator
Problem solved
Functional benefit
Products and services
- Energy Solutions
- Innovative Capital
- Digital Solutions
- EV & H2 Charging Infrastructure
- Behind-the-Meter Solutions
- Community Centered Reinvestment
Quantifiable outcome
- 360 MW of power capacity secured through partnership agreements for off-grid data centers
- +1 more outcomes
Companies that use TESIAC
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles3 records
TESIAC technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
TESIAC partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core.
- Diversified EnergycoreFormed an Acquisition and Development Company (ADC) with Diversified Energy and FuelCell Energy to develop 360 MW of power for off-grid data centers. Also created Dedicated Power Partners (DPP), an investment and development platform to accelerate commercial deployment of turnkey power generation solutions. Projects targeted for Virginia, West Virginia, and Kentucky.
- FuelCell EnergycoreStrategic partnership to leverage coal mine methane and natural gas for off-grid data center power projects. FuelCell Energy provides fuel cell systems technology while TESIAC contributes development platform capabilities. Part of 360 MW power development initiative across three U.S. states.
- Schneider ElectriccoreStrategic alliance with Schneider Electric as part of distributed energy resources platform. Schneider Electric contributes technology and integration capabilities for microgrid and energy infrastructure deployment.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
TESIAC competitors and assessment
Company assessmentBroad incumbents
- Generac Grid Services:
- Schneider Electric: Schneider Electric is a TESIAC strategic alliance partner for the distributed energy resources platform and a global incumbent in microgrid integration, power distribution, and data center infrastructure. Overlaps with TESIAC on microgrid and behind-the-meter system integration but operates at vastly greater scale across a broad portfolio.
Direct peers
- Bloom Energy: Bloom Energy manufactures and deploys solid oxide fuel cell systems for behind-the-meter and grid-connected power, with a heavy data center customer focus. Directly comparable to TESIAC's fuel cell-based behind-the-meter proposition for hyperscale and colocation data centers.
- FuelCell Energy: FuelCell Energy is TESIAC's partner in the ADC/DPP vehicles and supplies the molten carbonate fuel cell technology underpinning the 360 MW pipeline. As a fuel cell manufacturer also moving into project development and ownership, it is both a partner and direct competitor in the same behind-the-meter data center power market.
- Enchanted Rock: Enchanted Rock provides natural gas-powered resiliency microgrids and behind-the-meter generation primarily to data centers, retailers, and industrial customers. Directly comparable on the behind-the-meter, fuel-based, data-center-focused business model.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
TESIAC social profiles
Digital presenceTESIAC financial estimates
Financial estimateRevenue estimate
Valuation estimate
TESIAC leadership team
Management profileNumber of profiles
Profiles2 records
TESIAC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
TESIAC M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about TESIAC
What does TESIAC do?
TESIAC is a private investment and development platform company focused on next-generation energy infrastructure. It acquires, finances, develops, and operates distributed energy assets — including microgrids, on-site power generation, battery energy storage systems, EV/H2 charging infrastructure, and behind-the-meter solutions — primarily targeting data centers, industrial manufacturers, and municipal enterprises. The company deploys capital alongside technology partners such as FuelCell Energy, Diversified Energy, Carlyle Group, and Schneider Electric to deliver turnkey, resilient, decentralized power solutions.
Is TESIAC a public or private company?
TESIAC is a private company. It is classified as unknown and is currently operating.
When was TESIAC founded?
TESIAC was founded in 2019. It employs 11 to 50 people.
Where is TESIAC based?
TESIAC is headquartered in Boston, United States, in the North America region.
How does TESIAC make money?
Two revenue lines are on record. Energy Asset Investment and Development is the primary driver. The others are power Generation Project Development.
Who are TESIAC's main competitors?
Broad incumbents on record are Generac Grid Services and Schneider Electric. Direct peers are Bloom Energy, FuelCell Energy and Enchanted Rock.
Does TESIAC have an API?
No public API is recorded for TESIAC.
What industry is TESIAC in?
TESIAC's product category is Energy Infrastructure Investment and Development. Its primary akta.pro industry code is EUABAJAI, Onsite Low-Carbon Heat & CHP (Electrified CHP, Fuel Cells, Renewable CHP), with a secondary code of EUABAJAF, Waste Heat Recovery & Heat Integration (HRSG/ORC, Pinch Analysis, Heat Exchangers). Its NAICS code is 2211 and its SIC code is 4991.