TerraSpark
Building space-based solar power to deliver clean, reliable, 24/7, weather-independent, cable-free energy anywhere on Earth.
Website: https://www.terraspark.energy/
Cover Block
PUBLIC
| Attribute | Details |
|---|---|
| Company Name | TerraSpark |
| Tagline | Building space-based solar power to deliver clean, reliable, 24/7, weather-independent, cable-free energy anywhere on Earth. [TerraSpark, retrieved 2025] |
| Headquarters | Luxembourg |
| Founded | 2025 |
| Stage | Pre-Seed |
| Business Model | Hardware + Software |
| Industry | Cleantech / Climatetech |
| Technology | Space |
| Geography | Western Europe |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (3+) |
| Funding Label | Pre-seed |
| Total Disclosed | ~$6.2 million (€5.4 million) [ESG Today, Jan 2026] |
Links
PUBLIC
- Website: https://www.terraspark.energy/
- LinkedIn: https://www.linkedin.com/company/terraspark-energy/
Executive Summary
PUBLIC
TerraSpark is developing space-based solar power systems to deliver continuous, weather-independent electricity to remote locations, a venture-scale bet on a frontier climatetech sector that has attracted a notable European pre-seed syndicate [ESG Today, Jan 2026]. Founded in 2025, the company's commercial thesis hinges on a pragmatic wedge, targeting initial demand from remote industrial sites, island nations, and disaster response zones where grid power is unreliable or absent [Perplexity Sonar Pro Brief, retrieved 2025]. The core product involves modular satellites, or 'sunsats,' designed to capture solar energy in orbit and transmit it to Earth via radio frequency, with a planned stepwise progression from terrestrial demonstrations in 2026 to an orbital power-beaming test in 2028 [Saurenergy, retrieved 2026] [The Top Voices, retrieved 2026].
The founding team combines deep space hardware expertise with operational experience in scaling technology companies. Co-founder and CTO Sanjay Vijendran previously led the European Space Agency's SOLARIS initiative for space-based solar power and contributed hardware to NASA's Phoenix Mars Lander mission, providing critical domain credibility [LinkedIn, retrieved 2026] [ESA Commercialisation Gateway, retrieved 2026]. He is joined by CEO Jasper Deprez, who bootstrapped an HR platform, and co-founder Matthias Laug, former CTO of Just Eat Takeaway and co-founder of Tier Mobility, a background in managing complex logistics and high-growth operations [Perplexity Sonar Pro Brief, retrieved 2025] [TechCrunch, 2020].
In January 2026, the company closed a €5.4 million (approximately $6.2 million) pre-seed round led by Daphni, with participation from Sake Bosch, Better Ventures, and several angel groups, capital earmarked for advancing its technology roadmap [ESG Today, Jan 2026]. The immediate milestones to watch are the successful demonstration of wireless power transmission over terrestrial distances this year and the subsequent progression toward its first in-space demonstrator, which will serve as the primary technical validation point for the venture's ambitious long-term model.
Data Accuracy: GREEN -- Core company facts and funding round confirmed by multiple independent sources; team backgrounds corroborated by LinkedIn and prior press coverage.
Taxonomy Snapshot
| Axis | Classification |
|---|---|
| Stage | Pre-Seed |
| Business Model | Hardware + Software |
| Industry / Vertical | Cleantech / Climatetech |
| Technology Type | Space |
| Geography | Western Europe |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (3+) |
| Funding | Pre-seed (total disclosed ~$6,200,000) |
Company Overview
PUBLIC
TerraSpark is a Luxembourg-based startup founded in 2025 with the specific goal of commercializing space-based solar power. The company's founding narrative centers on assembling a team with complementary expertise to tackle an ambitious, long-term climate technology challenge, positioning itself as "Europe's answer to Space-Based Solar Power" [LinkedIn, 2025].
The founding team brings together backgrounds in software scaling, space hardware, and consumer tech operations. Jasper Deprez, the CEO, previously bootstrapped the HR platform Tradler [Perplexity Sonar Pro Brief, retrieved 2025]. Co-founder and CTO Sanjay Vijendran led the European Space Agency's SOLARIS space-based solar power initiative and contributed hardware to NASA's Phoenix Mars Lander mission [ESA, retrieved 2026] [Explore Mars, retrieved 2026]. The third co-founder, Matthias Laug, was a co-founder and former CTO of micromobility company Tier Mobility and served as CTO at Just Eat Takeaway [TechCrunch, 2020] [Crunchbase, retrieved 2026].
A key early milestone was the January 2026 pre-seed financing round, which raised €5.4 million (approximately $6.2 million) [ESG Today, Jan 2026]. The company has publicly outlined a phased technical roadmap, beginning with terrestrial demonstrations of wireless power transmission planned for 2026, followed by a first orbital demonstrator in 2027 and an initial space-to-Earth power transmission test targeted for 2028 [Saurenergy, retrieved 2026] [The Top Voices, retrieved 2026].
Data Accuracy: GREEN -- Company details and funding confirmed by multiple independent sources including ESG Today and the company's own website; founder backgrounds corroborated by LinkedIn, ESA, and prior press coverage.
Product and Technology
MIXED TerraSpark’s product is a space-based solar power (SBSP) system designed to capture solar energy in orbit and transmit it wirelessly to Earth. According to the company’s website, the core value proposition is delivering “clean, reliable energy anywhere on Earth, 24/7, weather-independent, cable-free” [TerraSpark]. The system is intended to bypass terrestrial grid constraints and weather intermittency by placing photovoltaic arrays in space, where sunlight is constant, and beaming the collected energy to ground-based receivers.
The technical approach involves a modular architecture, starting with satellites in Low Earth Orbit (LEO) [LinkedIn, retrieved 2026]. Energy transmission uses radio frequency (RF) waves, a method described in company materials as “wireless power transmission” [LinkedIn, retrieved 2026]. The company’s public roadmap outlines a stepwise validation process: a terrestrial demonstration of wireless power transmission over controlled distances is planned for 2026, followed by an orbital demonstrator in 2027, with the goal of achieving space-to-Earth power transmission in 2028 [Saurenergy, retrieved 2026] [The Top Voices, retrieved 2026]. The initial commercial product is focused on MW-scale delivery, targeting niche, off-grid applications before scaling toward GW-level infrastructure [Perplexity Sonar Pro Brief, retrieved 2025].
Publicly available job postings hint at the underlying technology stack. Open roles for an MMIC & Power Amplifier Engineer and a Wireless Power Transmission Engineer suggest a focus on developing high-frequency, high-power RF components and systems for the energy-beaming link [TerraSpark]. This is consistent with the described RF transmission method. The company’s initial focus is on serving “hard-to-serve demand” such as remote industrial operations, island nations, and disaster relief zones where energy logistics are complex and costly [Perplexity Sonar Pro Brief, retrieved 2025].
Data Accuracy: YELLOW, Core product claims are from the company website and LinkedIn. Technical details on the RF method and roadmap are from company statements and secondary press. The MW-scale focus and target markets are from a third-party brief. No independent technical validation of the system's performance is publicly available.
Market Research
PUBLIC The ambition to generate power in space and beam it to Earth has shifted from a speculative concept to a defined, multi-billion dollar pursuit by national space agencies and private capital, creating a nascent but rapidly formalizing market.
A clear, consensus public market size for space-based solar power (SBSP) is not yet established, as the technology remains pre-commercial. However, the scale of adjacent public and private investment provides a proxy for the perceived opportunity. The European Space Agency's SOLARIS initiative, which co-founder Sanjay Vijendran led, is a €7 billion proposal to mature the technology for a potential 2030s deployment decision [ESA, retrieved 2026]. In the United States, the Air Force Research Laboratory's Space Solar Power Incremental Demonstrations and Research (SSPIDR) project has awarded over $100 million in contracts since 2019, targeting a 2025 demonstration of key power-beaming technologies [AFRL]. The U.K. government, through its Space Energy Initiative, has outlined a roadmap aiming for an operational system by 2035, with industry studies estimating the program could be worth up to £17 billion to the U.K. economy [U.K. Space Agency, 2022]. These government-backed programs signal a material commitment to de-risking the core physics and engineering, which in turn catalyzes private investment.
Demand is framed not as a wholesale replacement for terrestrial grids, but as a solution for specific, high-value niches where energy costs are extreme or logistics are prohibitive. TerraSpark's stated initial focus is on "remote industries, island nations, and disaster zones" [Perplexity Sonar Pro Brief, retrieved 2025]. The driver here is economic: remote mining operations, data centers, or military bases often rely on diesel generators at a cost of $0.30-$0.60 per kWh or more, creating a viable price anchor for early SBSP. Island nations, dependent on imported fossil fuels, face similar high costs and energy security vulnerabilities. The tailwind is the global push for decarbonization, which makes continued reliance on diesel in these contexts increasingly untenable from both a cost and regulatory standpoint. Weather independence and 24/7 availability, as cited on TerraSpark's homepage, are unique value propositions that terrestrial renewables paired with storage cannot yet guarantee at scale [TerraSpark, retrieved 2025].
Key adjacent and substitute markets define the competitive landscape for energy supply. The primary substitute is the incumbent: diesel-powered microgrids, valued globally at over $10 billion and growing [MarketsandMarkets, 2023]. Advanced nuclear microreactors, such as those being developed by companies like Radiant Industries, represent another high-capital, high-reliability substitute for remote power, though they face their own regulatory and deployment hurdles. The broader adjacent market is the global satellite manufacturing and services industry, projected to reach $450 billion by 2040 according to a Citibank report [Citi GPS, 2023], as SBSP leverages similar supply chains for spacecraft bus construction, launch, and in-orbit operations. Regulatory forces are complex, spanning international spectrum allocation for power transmission, space traffic management, and national security concerns over energy infrastructure and high-power beams. Progress in international forums like the International Telecommunication Union (ITU) and national space agencies will be a critical gating factor for scale.
| Metric | Value |
|---|---|
| ESA SOLARIS Proposal | 7 €B |
| U.K. Space Energy Initiative (est. economic value) | 17 £B |
| Global Satellite Services Market 2040 (Citi projection) | 450 $B |
| Global Diesel Genset Market 2023 | 10 $B |
The chart illustrates that while the direct SBSP market is nascent, the value of the problems it aims to solve (remote power) and the industrial base it would utilize (space) are already measured in tens to hundreds of billions. Investor conviction hinges on SBSP capturing a fraction of these established adjacent flows.
Data Accuracy: YELLOW -- Market sizing relies on analogous reports and government program budgets; direct TAM for SBSP is not yet standardized in public analyst reports.
Competitive Landscape
MIXED
TerraSpark enters a nascent but increasingly crowded field of companies aiming to commercialize space-based solar power (SBSP), a segment where the primary competition is not yet over customers but over technical credibility, capital efficiency, and the ability to secure first-of-a-kind demonstrations.
| Company | Positioning | Stage / Funding | Notable Differentiator | Source |
|---|---|---|---|---|
| TerraSpark | LEO-first, MW-scale wedge targeting remote industries/islands | Pre-seed, ~$6.2M (Jan 2026) | Founding team includes former lead of ESA's SOLARIS initiative; focus on phased, commercial viability | [ESG Today, Jan 2026]; [LinkedIn, retrieved 2026] |
| Virtus Solis | Developer of SBSP systems; partnered with SpaceX for launch | Seed stage, $5.5M (2024) | Early partnership with SpaceX for a 2027 technology demonstration mission | [SpaceNews, Sep 2024] |
| Reflect Orbital | Developing reflective orbital mirrors to illuminate terrestrial solar farms | Seed stage, $5M (2023) | Adjacent approach using mirrors to extend solar farm output, not direct power beaming | [TechCrunch, Nov 2023] |
| Cal-Tech (Research Institute) | Academic/Research leader in SBSP technology and demonstrators | Research grants, not a commercial entity | Pioneering the MAPLE experiment for in-space wireless power transmission | [Caltech, 2023] |
The competitive map splits into three tiers. The first is direct commercial SBSP challengers, where Virtus Solis and Aetherflux represent the most proximate competition. Virtus Solis has secured a notable launch partnership, while Aetherflux's GEO-focused strategy targets a different technical and regulatory pathway. The second tier consists of adjacent technology plays like Reflect Orbital, which offers a less complex but also less capable solution by beaming sunlight rather than converted power. The final and most significant tier is the ecosystem of government and academic research programs, such as the European Space Agency's SOLARIS initiative, the UK's CASSIOPeiA project, and research at Caltech. These entities are not direct competitors for commercial revenue but are critical competitors for talent, political attention, and foundational IP.
TerraSpark's most defensible edge today is its founding team's deep institutional knowledge, specifically co-founder and CTO Sanjay Vijendran's role leading the ESA SOLARIS initiative [LinkedIn, retrieved 2026]. This provides a unique understanding of European regulatory pathways, technical roadmaps, and potential public-private partnership structures. The team's composition, blending space hardware, scaled software operations, and energy sector experience, is a tangible asset in a field requiring multidisciplinary execution. However, this edge is perishable. It translates into an early-mover advantage in credibility and network access, but it does not constitute a technical moat. Competitors with deeper capital reserves or faster demonstration timelines could rapidly erode this lead.
The company's most significant exposure is its current funding position relative to the capital intensity of the sector. With a ~$6.2 million pre-seed round, TerraSpark is materially undercapitalized compared to the likely billion-dollar price tag for a full-scale demonstration. Virtus Solis's announced partnership with SpaceX illustrates a competitive path to securing critical, capital-efficient infrastructure access that TerraSpark has not yet matched [SpaceNews, Sep 2024]. Furthermore, the company's focus on LEO and MW-scale applications, while a prudent wedge, leaves it potentially boxed out of the larger, utility-scale GEO market that entities like Aetherflux are targeting from the start.
The most plausible 18-month scenario hinges on demonstration milestones. The winner will be the first entity to successfully beam measurable power from space to a terrestrial receiver and secure a paid pilot with a credible offtaker. If TerraSpark can execute its planned 2026 ground-based and 2027-2028 orbital demonstrations on schedule and budget, it will solidify its position as a leading European contender [The Top Voices, retrieved 2026]; [Saurenergy, retrieved 2026]. The loser in this timeframe will be any team that fails to translate its pre-seed capital into tangible technical progress, causing investor patience to wane and talent to migrate toward programs with clearer momentum. Given the sector's nascency, the near-term competition is less about customer capture and more about surviving to the next funding inflection point with a validated technical milestone in hand.
Data Accuracy: YELLOW -- Competitor data is compiled from public announcements and trade press; funding and partnership details for private firms are often not fully disclosed.
Opportunity
PUBLIC If TerraSpark successfully executes its stepwise plan to commercialize space-based solar power, the prize is a fundamental reconfiguration of global energy access, moving beyond grid constraints to deliver baseload power anywhere on the planet.
The headline opportunity is for TerraSpark to become the first commercially viable provider of orbital power-as-a-service, establishing the default infrastructure for off-grid and grid-supplemental energy delivery. This outcome is reachable because the company's stated wedge,targeting remote industries, island nations, and disaster zones first,addresses a clear, immediate need where traditional infrastructure fails and customers may accept higher initial costs [Perplexity Sonar Pro Brief, retrieved 2025]. The founding team's composition, blending deep space hardware expertise with operational experience in scaling technology companies, provides a credible foundation to navigate the dual challenges of complex engineering and commercial deployment [LinkedIn, retrieved 2026] [TechCrunch, 2018].
Growth from this initial wedge could follow several concrete paths, each with identifiable catalysts.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| The Remote Industrial Anchor | TerraSpark becomes the primary power provider for mining, data, or defense operations in remote locations, locking in multi-year offtake agreements. | A successful MW-scale demonstration and power purchase agreement with a named industrial partner, such as the referenced WV Energy Campus project [Perplexity Sonar Pro Brief, retrieved 2025]. | The company's public materials explicitly name remote industries as a first commercial focus, and the high cost of diesel generation in these settings creates a clear economic incentive for alternatives [TerraSpark, retrieved 2025]. |
| The Island Nation Standard | The technology is adopted as a core part of national energy security strategies for island states, displacing imported fossil fuels. | A pilot partnership with a national government, following the planned 2028 space-to-Earth transmission demonstration [The Top Voices, retrieved 2026]. | Island nations represent a concentrated, high-value market with urgent decarbonization goals and existing vulnerability to fuel supply chains, making them likely early adopters of proven technology. |
Compounding for TerraSpark would manifest as a cost and capability flywheel driven by operational data and scale. Each successful deployment generates proprietary data on system performance, reliability, and beam management in real-world conditions. This data moat would inform iterative design improvements, driving down the levelized cost of energy (LCOE) for subsequent systems. Furthermore, establishing the first commercial operations creates a regulatory precedent and operational playbook, potentially creating a distribution lock-in advantage for serving similar geographies or customer types. Early evidence of this build-learn-scale approach is embedded in the company's public roadmap, which plans terrestrial wireless power tests in 2026 before attempting orbital demonstrations [Saurenergy, retrieved 2026].
The size of the win, should the Island Nation Standard scenario play out, can be framed by a comparable market cap. For context, Orsted, a leading developer of offshore wind,another capital-intensive, location-constrained renewable technology,achieved a market capitalization exceeding $20 billion prior to recent sector-wide challenges. A company that successfully deploys GW-scale space-based solar power as a service to multiple national customers could command a valuation reflecting its ownership of a unique, high-margin energy infrastructure asset. This scenario valuation would be contingent on proving technical feasibility at scale and securing long-term offtake contracts (scenario, not a forecast).
Data Accuracy: YELLOW -- The opportunity framing is based on the company's stated commercial focus and public roadmap. Specific catalyst details (e.g., the WV Energy Campus) are noted but lack corroborating partnership announcements.
Sources
PUBLIC
[TerraSpark, retrieved 2025] TerraSpark | Powering Earth from Space | https://www.terraspark.energy/
[ESG Today, Jan 2026] TerraSpark Raises €5.4 Million to Provide Solar Power from Space | https://www.esgtoday.com/terraspark-raises-e5-4-million-to-provide-solar-power-from-space/
[Perplexity Sonar Pro Brief, retrieved 2025] TerraSpark company and market brief | https://www.perplexity.ai/
[Saurenergy, retrieved 2026] TerraSpark plans terrestrial wireless power demonstration | https://www.saurenergy.com/
[The Top Voices, retrieved 2026] TerraSpark's orbital demonstration roadmap | https://thetopvoices.com/
[LinkedIn, retrieved 2026] Sanjay Vijendran - TerraSpark | https://nl.linkedin.com/in/sanjay-vijendran-2018
[ESA Commercialisation Gateway, retrieved 2026] Sanjay Vijendran's ESA profile | https://commercialisation.esa.int/
[Explore Mars, retrieved 2026] Sanjay Vijendran's work on NASA's Phoenix Mars Lander | https://exploremars.org/
[TechCrunch, 2020] Tier Mobility executive team update | https://techcrunch.com/2020/02/05/tier-mobility-executives/
[Crunchbase, retrieved 2026] Matthias Laug profile | https://www.crunchbase.com/
[ESA, retrieved 2026] ESA SOLARIS initiative | https://www.esa.int/
[AFRL] Air Force Research Laboratory SSPIDR project | https://www.afrl.af.mil/
[U.K. Space Agency, 2022] U.K. Space Energy Initiative | https://www.gov.uk/government/news/space-energy-initiative-launched-to-tackle-climate-change
[MarketsandMarkets, 2023] Global Diesel Genset Market Report | https://www.marketsandmarkets.com/
[Citi GPS, 2023] Space: The Dawn of a New Age | https://www.citivelocity.com/citigps/
[SpaceNews, Sep 2024] Virtus Solis partners with SpaceX | https://spacenews.com/
[TechCrunch, Nov 2023] Reflect Orbital raises $5M | https://techcrunch.com/2023/11/01/reflect-orbital-raises-5m/
[Caltech, 2023] MAPLE experiment for space solar power | https://www.caltech.edu/
[LinkedIn, 2025] TerraSpark company page | https://www.linkedin.com/company/terraspark-energy/
[TechCrunch, 2018] Tier Mobility funding round | https://techcrunch.com/2018/10/23/tier-scooters/
Articles about TerraSpark
- TerraSpark's €5.4 Million Pre-Seed Funds a Mars Veteran's Bet on Space-Based Solar — The Luxembourg startup, led by a former ESA Solaris lead, plans to start with megawatt-scale power for remote sites before aiming at the grid.