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Hybrid Energy Storage Solutions

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A technological solution provider, pioneer in creating hybrid energy storage solutions (HESS), optimized in economic terms

La Rinconada, SpainFounded 2018Energy
Valuation $50–100M Last recorded · 2025
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Hybrid Energy Storage Solutions and the history behind them.

About Hybrid Energy Storage Solutions

Hesstec is a forward-thinking startup specializing in advanced energy storage solutions for modern electrical grids. The company focuses on creating hybrid energy storage systems that enhance the efficiency and reliability of smart grids. In simpler terms, Hesstec develops technology that helps manage and store energy more effectively, ensuring that electrical grids can operate smoothly and handle varying demands without interruption.

Hesstec serves a diverse range of clients, including large utility companies like Duke Energy and Enel Endesa, as well as smaller, isolated grid operators. The company operates in the energy sector, specifically targeting the smart grid and renewable energy markets. These markets are crucial as they focus on modernizing the way electricity is distributed and stored, making it more sustainable and reliable.

The business model of Hesstec revolves around providing comprehensive energy storage solutions. This includes the development and deployment of advanced power electronics converters, ultracapacitor stacks, and other innovative technologies that integrate with existing grid systems. By offering these solutions, Hesstec helps its clients optimize their energy storage and distribution, reduce costs, and improve grid stability.

Hesstec generates revenue through multiple streams. Primarily, it sells its hybrid energy storage systems and related technologies to utility companies and grid operators. Additionally, the company provides various grid services, such as grid stabilization, peak power management, and renewable energy integration. These services are essential for maintaining a balanced and efficient energy supply, and clients pay for these ongoing services, creating a steady income for Hesstec.

In summary, Hesstec is revolutionizing the energy storage landscape with its cutting-edge hybrid systems, serving a broad spectrum of clients in the smart grid and renewable energy markets. The company's innovative solutions and multiple revenue streams position it as a key player in the future of energy management.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2018
Headquarters
La Rinconada, Spain
Employees
61
Open positions
2
Dealroom signal
49.7/100
Sub-industry
Clean Energy, Energy Efficiency, Energy Storage
Sector
Energy, Smart Grid, Hydrogen, Sustainable Development Goals, Climate Tech, Stationary Energy Storage, Energy Trading, Grid Technology, Hard Tech, Horizon Europe
Business model
Manufacturing
Client focus
b2b

Funding history

3 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VC✓Equity / VC May 2025 $13M $53M Suma Capital · VERBUND · ABB ↗
SERIES A✓Equity / VC May 2021 $2.5M $10M Capital Energy Quantum · Elewit · RIC Energy —
Showing the latest 2 of 3 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

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Growth signals

Hybrid Energy Storage Solutions website traffic

Latest recorded traffic for Hybrid Energy Storage Solutions is 50 monthly website visits, down 68.8% over the last three months. Hybrid Energy Storage Solutions's team grew 7% over the past year.

Latest monthly visits50 3-month web change-68.8% 1-year team growth+7%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

CompanyHeadquartersStatusEmployeesTotal fundingValuation
suenaOffers an innovative, AI-based optimization software applied to battery energy storage systems and renewable energies Hamburg, Germany Operational 70 $13M $35M
TeraloopTeraloop is an innovative grid-scale energy storage system that can provide a future alternative to batteries by balancing the natural supply and demand variation of energy Espoo, Finland Operational
ComsysComsys is a leading provider of active on load power electronics. Solutions primarily centered on power quality and smart grid applications Lund Municipality, Sweden Operational
PROSUMEPROSUME provides software tools (Prosumer APP & Toolkit) for the new growing class of market stakeholders, the prosumers! Milan, Italy Operational
SmartPulseSaaS solution that provides trading optimization for energy generators and consumers London, United Kingdom Acquired
Smarter Grid SolutionsProviding a real-time DERMS platform to utilities across the world Glasgow, United Kingdom Acquired
GeniessCatalyzing the distributed energy storage revolution by enabling easier, faster, and better battery investment decisions Oslo, Norway Operational
phelasPhelas develops the solution for the energy transition: A modular, mass-produced and cost-effective and safe electricity storage system for utilities, grid operators, industry, renewable energy developer & operators Gilching, Germany Operational
Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

7 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A6 investors entered at this stage

  • Capital Energy Quantum
  • Elewit
  • RIC Energy
  • Suma Capital
  • VERBUND
  • ABB

Other known investors1 additional known investor

  • European Innovation Council
Team profiled 5 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇪🇸 Spain100%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Hybrid Energy Storage Solutions on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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