Polar Night Energy
PrivateLast Round
Seed
Apr 3, 2024
Total Funding Raised
$11.07M
Company Overview
Polar Night Energy is a renewable energy company that designs and manufactures high-temperature, sand-based thermal energy storage systems to store surplus wind and solar energy as heat.
Sector
Energy & Sustainability
Verticals
Energy Storage, Renewable Energy, Energy Management
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Polar Night Energy Comparables
Compare Polar Night Energy with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Elstor Oy | 87% | |
| TheStorage | 86% | |
| Lumenion GmbH | 86% |
Polar Night Energy Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Apr 3, 2024 | ||||
| Grant | Dec 12, 2023 | ||||
| Seed | Oct 13, 2021 |
Key People
Founding team and executive leadership
Polar Night Energy Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Business Finland | Grant |
| Holdix | Seed |
| PC Rettig & Co. Impact | Seed |
| Liquido Ventures | Seed |
| Stephen Industries Inc Oy | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 14, 2025
Grew 15% QoQ, from 26 to 30 employees.
- Jul 6, 2024
Grew 16% QoQ from 19 to 22 employees.
Polar Night Energy Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Request accessFrequently Asked Questions
Common questions about Polar Night Energy's valuation, stock price, and market status.
Is Polar Night Energy a public or private company?
Polar Night Energy is a private company.
What is the current stock price of Polar Night Energy?
Polar Night Energy is a private company with no public stock price. No recent secondary market data is available.
How much is Polar Night Energy worth (valuation)?
Valuation information for Polar Night Energy is not publicly available.
Can I buy Polar Night Energy stock?
Polar Night Energy shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Polar Night Energy's last funding round?
Polar Night Energy's most recent funding round was Seed on April 3, 2024.
Who are the main investors in Polar Night Energy?
Key investors in Polar Night Energy include Liquido Ventures.
Will Polar Night Energy IPO soon?
No public IPO plans have been announced for Polar Night Energy.
How can I track Polar Night Energy secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Polar Night Energy's secondary market activity and sign up for updates.