# HESStec (Hybrid Energy Storage Solutions Ltd): Renewables & environment, Paterna, Spain

> HESStec (Hybrid Energy Storage Solutions Ltd): HESStec (Hybrid Energy Storage Solutions Ltd.) is a Spanish technology company founded in 2018, focused on...

Source: https://millionrounds.com/startup/hesstec-hybrid-energy-storage-solutions-ltd (Millionrounds; every figure on the page links to its filing or article)

Spain · [Renewables & environment startup](https://millionrounds.com/companies)

# HESStec (Hybrid Energy Storage Solutions Ltd)

HESStec (Hybrid Energy Storage Solutions Ltd.) is a Spanish technology company founded in 2018, focused on designing, developing, and maintaining hybrid energy storage solutions fo

Funding reported Last round: Venture (Round not Specified)

Renewables & environment Paterna, Spain

Company summary

- **Founded:** 2018 8 years old
- **Team:** 61 51 to 200 people
- **Funding reported:** 16.5M as listed, currency not stated
- **Last round:** Venture (Round not Specified) May 2025

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for HESStec (Hybrid Energy Storage Solutions Ltd) has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About HESStec (Hybrid Energy Storage Solutions Ltd)

HESStec (Hybrid Energy Storage Solutions Ltd.) is a Spanish technology company founded in 2018, focused on designing, developing, and maintaining hybrid energy storage solutions fo

r modern electricity grids. Headquartered in Paterna, Valencia, with an R&D center in Seville, HESStec aims to integrate energy storage into the energy transition, promoting sustainability and a reduced carbon footprint. The company's flagship product is the Hybrid Energy Storage Solution (HESS), which combines various storage technologies, including batteries and supercapacitors, with advanced power electronics and proprietary algorithms. HESStec also offers a proprietary control platform, the Intelligent Node Management System (INMS®), which optimizes system performance and resilience. Their services include turnkey solutions for energy storage projects, energy management systems, and consultancy services tailored to the energy sector. HESStec serves a diverse clientele, including transmission and distribution operators, utilities, and project developers, and is expanding its reach into international markets.

## What company datasets say HESStec (Hybrid Energy Storage Solutions Ltd) raised

Funding, as reported

Reported in all **16.5M** in the source's currency

Last round **Venture (Round not Specified)**

Last round size **13.2M**

Last round date **May 2025**

## The company, in detail

What they build

Known for

clean energy & technology energy business model optimization voltage control enterprises hybrid energy storage systems energy storage renewable energy integration information technology & services grid code compliance enterprise software information technology energy management environmental services energy management control algorithms oil & energy asset optimization

Built with from their website

DC Storm WordPress.org HREF Lang Font Awesome CloudFlare Viewport Meta CloudSponge Priority Hints Microsoft Exchange MySQL

+8 more

PrimeNG Microsoft 365 Apps & Services ASP.NET Star Mobile Friendly Multilingual MailJet Simulink

- **Sector:** Renewables & environment
- **Industry code:** NAICS 33599, SIC 3621
- **Region:** Valencian Community
- **Revenue:** 1.5M a year, as listed

## Renewables & environment in Spain

Startups like it

- [**X1 Wind** Barcelona · founded 2017 *Raised*](https://millionrounds.com/company/x1-wind)
- [**Sunwafe** Gijón · founded 2024](https://millionrounds.com/startup/sunwafe)
- [**Eranovum** Madrid · founded 2019](https://millionrounds.com/startup/eranovum)
- [**Ekhi** Madrid · founded 2020](https://millionrounds.com/startup/ekhi)
- [**Altano Energy** Madrid · founded 2021](https://millionrounds.com/startup/altano-energy)
- [**SolarMente** Barcelona · founded 2019](https://millionrounds.com/startup/solarmente)
- [**HVR energy** Madrid](https://millionrounds.com/startup/hvr-energy)
- [**Nomad Solar Energy** Madrid · founded 2023](https://millionrounds.com/startup/nomad-solar-energy)

## Is this your company?

Add your raise, your deck and your story, and put HESStec (Hybrid Energy Storage Solutions Ltd) in front of investors. Or tell us what we have wrong.

[List your startup](https://millionrounds.com/list-your-startup)[Send a correction](https://millionrounds.com/corrections)