Companies

Posh

poshenergy.com

Posh Energy deploys battery storage and on-site flex-fuel power for AI data centers and commercial-industrial sites.

HQHayward, California, United States
Employees1-50
4 active roles
Jobs checked 3d ago
Specialization
Not classified
Business
Project Developmentand 2 more business values
  • Equipment Rental
  • Infrastructure Operation
Market
Energyand 1 more market values
  • Cross Industry
Ecosystem
Not applicable
Customers
Enterprises
More details
Organization type
Commercial Company
Ecosystem
Not applicable
Business
Project Development, Equipment Rental, Infrastructure Operation
Specialization
Not classified
Market
Energy, Cross Industry
Customers
Enterprises
Delivery models
Physical Projects, Hardware, Managed Infrastructure
Revenue models
Rental Income
Listing status
Not classified
Latest equity round
Seed
Reported funding amount
Not classified

About

Posh Energy builds rapidly deployable battery storage, on-site power generation, and intelligent energy-management systems for AI data centers, commercial facilities, industrial operators, and other C&I customers. Its differentiator is deploying reliable power in weeks rather than waiting years for conventional grid interconnections, while reducing demand charges and improving resilience.

Market

Posh competes in the behind-the-meter energy infrastructure market, combining battery storage, on-site generation, and software controls for AI data centers and commercial and industrial sites. It positions itself around speed-to-power, claiming its systems can be sited, installed, and energized in weeks rather than waiting years for conventional grid interconnection. Its differentiation is the integrated combination of BESS, multi-fuel generation, and intelligent dispatch software, while competitors such as Bloom Energy, FlexGen, Crusoe, and VoltaGrid emphasize adjacent combinations of fuel cells, battery systems, power orchestration, or microgrid generation.

Target Customers

Posh primarily targets AI data centers, hyperscalers, data-center developers, and commercial and industrial operators such as manufacturers that need reliable power quickly. Its strongest fit is with customers facing constrained grid capacity, long interconnection timelines, rising demand charges, or rapidly expanding electricity loads.

At a Glance

Problem

Posh addresses the growing gap between electricity demand and the grid’s ability to deliver new capacity. Commercial and industrial customers face long utility-interconnection timelines, rising demand charges, grid constraints, and reliability risk; AI data centers are the sharpest use case because they need large amounts of power quickly and cannot afford to wait years for transmission or distribution upgrades. Posh positions deployment speed as the product, promising to turn traditional, multi-year infrastructure waits into weeks.

The economic pain is both a lost-growth problem and an operating-cost problem. A data-center developer may be unable to bring compute capacity online, while manufacturers and other large facilities can incur substantial demand charges during peak periods. Posh’s battery systems charge when power is cheaper or more abundant and discharge during peaks, reducing the facility’s peak load and demand charges while also providing resilience.

Product / Service

Posh supplies rapidly deployable battery energy storage systems and on-site flex-fuel generation. Its Station is a modular lithium-iron-phosphate battery system configurable from 120 to 207 kWh, with 30–60 kW of rated output. Its Posh Flex product is a modular generator designed to run on fuels including natural gas, propane, renewable natural gas, hydrogen blends, and other renewable or non-standard fuel streams; the initial commercial configuration is 100 kW and can scale modularly.

The delivery model is turnkey: Posh provides project design, engineering, installation, permitting, and long-term operations. Standard Station cabinets are advertised to ship and commission within 60–90 days, and the battery-plus-generation combination can provide power while a customer waits for grid interconnection, then be repurposed for demand-charge management and resilience. The benefit is faster access to usable power, lower peak-energy costs, backup capacity, and lower-emission generation without relying exclusively on diesel or the utility grid.

Market

Posh competes in distributed energy infrastructure, particularly behind-the-meter battery energy storage and on-site generation for commercial and industrial facilities, grid-constrained sites, and AI data centers. Its potential competitors and substitutes include Tesla, Energy Vault, and FlexGen, alongside conventional diesel generation, utility upgrades, and other microgrid or data-center power providers. Posh’s differentiation is the combination of modular BESS, flex-fuel generation, and a rapid, integrated deployment model aimed at customers for whom interconnection speed is strategically important.

The company appears to be in early commercial expansion rather than demonstrably pre-revenue. Its public site identifies installed systems at Harker School, Utraco, and Teichert, describes a 2025 Flex Gen 1 system as deployed and operational, and cites a $100 million pipeline of letters of intent. It has also publicized a planned 100 kW pilot with XCF Global that could expand toward multi-megawatt capacity. These are meaningful signs of product and partnership traction, but the available materials do not disclose revenue, bookings, or completed-contract value, so revenue maturity remains unverified.

Founders & Leadership

Wesley ZhengFounder
Co-Founder and CEO
Minh Chung HoangFounder
Founder and CTO

Funding History

2022-06
Seed$3.8M

Helium-3 Ventures

2023-01
SeedUndisclosed

Climate Capital

Recent News

2026-10-08partnership
Build My Idea publicizes grant-support partnership with Posh Energy

On October 8, Build My Idea published a client story describing its work with Posh Energy on grant applications and funding support for Posh’s global R&D. The work included support in securing the U.S. Department of Energy’s “Re-X Before Recycling” Prize and facilitating a $1.7 million Singapore Energy Market Authority grant for sodium-ion battery research.

2025-11-06partnership
XCF Global Featured in Posh Energy White Paper "Unlocking the Full Value of Renewable Fuel Facilities: Powering the Future with Posh Flex Gensets"

The white paper highlights how Posh Flex Gensets could convert renewable-fuel facility byproducts into electricity. It builds on the September 2025 letter of intent for a 100-kW pilot deployment at XCF Global’s New Rise Reno facility.

2025-08-05other
Posh Electric Awarded EMA Grant for Sodium-ion Battery Project

Posh Energy’s Singapore subsidiary, Posh Electric, received a Singapore Energy Market Authority grant to develop and deploy a 1-MWh sodium-ion battery energy-storage system. The project, conducted with A*STAR’s IMRE and Utraco, will integrate the battery with 600 kW of rooftop solar at Utraco’s factory.

Active Roles

4
San Francisco, CA, US/Engineering/34d ago
Hayward, CA, US/Marketing/78d ago
Hayward, CA, US/Operations/78d ago
Hayward, CA, US/Sales/78d ago

Business Model

Posh monetizes turnkey battery-storage and on-site-power deployments through a performance-based battery-leasing model in which customers avoid upfront costs and pay based on energy savings. Its sales process is consultation-led and targets facilities seeking backup power, demand-charge reduction, and energy-storage solutions.

Products

Rapidly deployable battery energy storage systems (BESS)POSH Flex / Flex100 modular flex-fuel power-generation unitsEnergy Management Cloud (EMC)Power Monitoring Node (PMN) metering and telemetry hardwareIntegrated battery-storage and on-site-generation deployments

Customers

No named enterprise customers were confirmed in the reviewed public evidence.

Tech Stack

Battery energy storage systems (BESS)Modular flex-fuel on-site generation using natural gas, hydrogen blends, and renewable fuelsEnergy Management Cloud (EMC) for AI-driven forecasting, dispatch, and optimizationPower Monitoring Nodes (PMN) for metering and telemetryReal-time energy monitoring and demand-management controls

Competitors

Crusoe
Bloom Energy
FlexGen
VoltaGrid