In a recent LinkedIn post, Linas Beliūnas discusses a groundbreaking startup, Reflect Orbital, which is developing technology to beam sunlight from space to specific locations on Earth. Beliūnas highlights the innovative nature of this concept, which he terms ‘Sunlight-as-a-Service,’ drawing a parallel to the evolution of software delivery models.
The Concept of Orbital Sunlight Delivery
Beliūnas introduces the core idea behind Reflect Orbital’s venture: the use of satellites equipped with mirrors designed to redirect sunlight. This technology aims to provide ‘on demand’ illumination, enabling nighttime solar power and instant lighting solutions. He frames the proposition with a sense of wonder and perhaps a touch of disbelief, stating:
“This startup lets you order sunlight from space to your exact location in 30 seconds 😳”
The potential applications, as Beliūnas points out, include providing light during nighttime hours and offering a novel ‘light switch’ for the planet. However, he also brings a dose of reality by outlining the current physical and economic limitations of such a system.
Technical and Economic Constraints
While the concept is futuristic, Beliūnas meticulously details the practical constraints that currently define this technology. He lists several key limitations, underscoring that the vision, while ambitious, is bound by current physics and economic realities. According to Beliūnas:
“Beam size: ~3-5 km (physics limit)
Brightness: ~10% of daylight
Cost: thousands per hour”
He further elaborates on the scalability challenge, noting that achieving full daylight illumination would require gigawatt-scale power, which he deems ‘not viable’ with the current technology. This pragmatic assessment tempers the initial awe-inspiring presentation of the idea, positioning it as an emerging, albeit constrained, technological frontier.
From SaaS to ‘Sunlight-as-a-Service’
A key analytical point made by Beliūnas is the conceptual leap from familiar service models to this new paradigm. He succinctly captures this evolution:
“We went from Software-as-a-Service to Sunlight-as-a-Service.”
This observation highlights how innovative technological applications can redefine service delivery, pushing the boundaries of what is considered a ‘service.’ Beliūnas’s post serves as a journalistic exploration of a cutting-edge concept, detailing both its astonishing potential and its present-day limitations, all while framing it within a broader trend of evolving service models.
Additionally, Beliūnas shared a link to his work on building an AI operating system for startups, further showcasing his interest in innovative technological applications and business strategies.
📝 About This Content
This article is based on insights shared by Linas Beliūnas on LinkedIn.
📅 Originally posted on March 28, 2026 | View original post on LinkedIn →