Kraft Block
kraftblock.com
Actively hiring
Energy Storage
Energy & Utilities
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Funding and backers
Team
11-50
employees, estimated range
Hiring now
1
open roles
Grants
$5.1M
12 grants · CORDIS
Backers
2
Freigeist Capital, Redstone
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Mar 1
Won a grant $313k · CORDIS
Oct 1, 2024
Won a grant $760k · CORDIS
Oct 1, 2023
Won a grant $215k · CORDIS
Jul 1, 2023
Won a grant $183k · CORDIS
Jun 1, 2023
Won a grant $350k · CORDIS
Nov 1, 2022
Won a grant $243k · CORDIS
Mar 1, 2022
Won a grant $1.9M · CORDIS
Jan 1, 2022
Won a grant $267k · CORDIS
Dec 1, 2020
Won a grant $203k · CORDIS
Mar 1, 2019
Won a grant $269k · CORDIS
Sep 1, 2018
Won a grant $211k · CORDIS
Feb 1, 2017
Won a grant $108k · CORDIS
Tractionpublic signals, read monthly
Web presence
top 0.09%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Grant | Mar 2026 | $313k | — | CORDIS |
| Grant | Oct 2024 | $760k | — | CORDIS |
| Grant | Oct 2023 | $215k | — | CORDIS |
| Grant | Jul 2023 | $183k | — | CORDIS |
| Grant | Jun 2023 | $350k | — | CORDIS |
| Grant | Nov 2022 | $243k | — | CORDIS |
| Grant | Mar 2022 | $1.9M | — | CORDIS |
| Grant | Jan 2022 | $267k | — | CORDIS |
| Grant | Dec 2020 | $203k | — | CORDIS |
| Grant | Mar 2019 | $269k | — | CORDIS |
| Grant | Sep 2018 | $211k | — | CORDIS |
| Grant | Feb 2017 | $108k | — | CORDIS |
Registers and programsofficial lists and records that name the company
| Legal entity | Kraftblock GmbH | its site |
Backed byfrom the funds' portfolios and accelerator catalogs
Freigeist Capital 
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Overview
Kraftblock is a high-temperature thermal energy storage system for process heat from renewable energy and waste heat used in industries, district heating and power generation.
News
Dekarbonisierung in der Stahlindustrie:Kraftblock demonstriert bei Tata Steel effiziente Abwärmenutzung in Jamshedpur
Die Webseite www.windbranche.de stellt Unternehmen und Akteure aus der Windindustrie (Onshore und Offshore) mit ihren Angeboten, Produkten und Dienstleistungen vor. Neben den Wirtschafts-Akteuren hat sich ein Forschungszweig der Windenergie mit Forschungs
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Dekarbonisierung in der Stahlindustrie:Kraftblock demonstriert bei Tata Steel effiziente Abwärmenutzung in Jamshedpur
Energiejobs - Karriereportal der Energiewirtschaft seit 2000
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Stahlhersteller Tata Steel nutzt Hochtemperatur-Wärmespeicher aus Deutschland
Das Saarbrücker Unternehmen Kraftblock hat einen Hochtemperatur-Wärmespeicher an den Stahlhersteller Tata Steel geliefert.
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Report
Deutsche Speichertechnik hilft Stahlgigant beim CO₂-Sparen
Tata Steel nutzt deutsche Wärmespeicher von Kraftblock. Das System spart Erdgas, nutzt Abwärme aus dem Sinterwerk und senkt CO₂-Emissionen deutlich.
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Report
Tata Steel & Kraftblock Advance Successful Thermal Energy Storage Operations at Jamshedpur
Tata Steel, in partnership with Kraftblock GmbH, a German energy transition technology startup, is approaching a year of reliable operations of a thermal
Read more
Report
Heat battery cuts emissions at Tata Steel's Jamshedpur Sinter Plant
Tata Steel's Jamshedpur sinter plant has successfully deployed a Kraftblock 20 MWh heat battery, cutting 22,000t CO2 annually.
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Report
This cleantech startup put a novel heat battery in a giant steel mill
Tata Steel and startup Kraftblock say they've successfully deployed a thermal-energy storage system that harnesses waste heat at the Jamshedpur steel mill…
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Report
Tata Steel wraps 1 yr pilot on thermal energy storage system
Tata Steel, in partnership with Kraftblock GmbH, a German energy transition technology startup, is close to completing a year of reliable operations of a thermal energy storage system at Sinter Plant No.3 (SP3) at its Jamshedpur Works.
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Report
4.9.2025 Forbes How recycled steel slag can save money and the planet Over the last month, my team has been examining thermal energy storage systems' potential to save manufacturers money and reduce industrial carbon footprints by facilitating the electrification of industrial facilities. Read more
Over the last month, my team has been examining thermal energy storage systems' potential to save manufacturers money and reduce industrial carbon footprints by facilitating the electrification of industrial facilities.
Read more
Report
7.8.2025 Forbes Thermal Energy Storage: The World's Hottest Battery The Kraftblock team at the site of one of their firm's thermal batteries, installed at a ceramics plant. The battery is the white container connected to the building via the chrome pipes. Read more
The Kraftblock team at the site of one of their firm's thermal batteries, installed at a ceramics plant. The battery is the white container connected to the building via the chrome pipes.
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Tech stack
The technologies known for Kraft Block, by layer.
Practices & domains
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Growth
Hiring Momentum
24/100
Hiring freeze
Open positions
1
0 opened / 1 closed in 30 days
Median time-to-fill
383 days
faster than 5% of the market
ATS activity
Every ~8 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Field & Service
100% ▼
Activity Timeline
Added Microsoft Office to stack
Sep 2026
Jobs
≈ $31k – $71k per year (Estimated) • Remote (Germany) • Full-Time
Digital Twin
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Financials
Total raised
$5.1M
Latest round
Grant
Funding rounds
12
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Grant | 2026 | $313k | Details |
| Grant | 2024 | $760k | Details |
| Grant | 2023 | $215k | Details |
| Grant | 2023 | $183k | Details |
| Grant | 2023 | $350k | Details |
| Grant | 2022 | $243k | Details |
| Grant | 2022 | $1.9M | Details |
| Grant | 2022 | $267k | Details |
| Grant | 2020 | $203k | Details |
| Grant | 2019 | $269k | Details |
| Grant | 2018 | $211k | Details |
| Grant | 2017 | $108k | Details |