The Solarwarp Market Model – From TAM to SAM to SOM

  • Home
  • >
  • Blog
  • >
  • The Solarwarp Market Model – From TAM to SAM to SOM

by Björn Mayer 

1. Understanding the Market Layers

In the world of start-ups and investment decks, the concept of TAM (Total Addressable Market) is both overused and frequently misunderstood. Without further context, a large TAM number means very little. Credible market modeling requires a layered approach:

1.1 TAM – Total Addressable Market

Definition:The TAM represents the total demand for a product or service if a company had unlimited resources, distribution, and regulatory access. It is a top-down estimate that shows the outer bounds of market potential.

Typical data sources:

  • Global market reports (e.g., BloombergNEF, IEA, IRENA)
  • UN or World Bank data on energy consumption, electrification
  • Installed base of PV systems or electricity users

TAM is useful for strategic visioning—but alone, it lacks credibility for forecasting actual growth.

1.2 SAM – Serviceable Available Market

Definition:
The SAM defines the portion of the TAM that a company can actually target with its current technology, business model, and geographical/regulatory reach.

It factors in:

  • Technical applicability (off-grid, low-infra grid, hybrid systems)
  • Legal/regulatory restrictions
  • Energy storage format compatibility (chemical vs. battery vs. hydrogen)
  • Addressable customer segments (B2B, utility-scale, disaster resilience, remote infrastructure)

1.3 SOM – Serviceable Obtainable Market

Definition:The SOM reflects the realistic share of the SAM that Solarwarp can capture, based on go-to-market strategy, capacity, partnerships, competition, and growth plans.

SOM is best modeled bottom-up:

  • number of of units Solarwarp can manufacture and deploy per year
  • Conversion rates from pilot to commercial
  • Customer acquisition cost and sales cycles
  • Margins and reinvestment capacity

2. Applying the Model to Solarwarp®

2.1 Solarwarp® TAM

We define Solarwarp's TAM as the global demand for scalable, dispatchable, and storable renewable energy solutions across:

  • Decentralized solar and microgrid installations
  • Remote industrial operations and mining
  • Seasonal storage for utility-scale PV
  • Disaster resilience infrastructure (military, critical systems)

Projected TAM: $400–500 billion globally by 2040 (source: BNEF, IEA)

2.2 Solarwarp® SAM

We narrow this to regions and sectors where Solarwarp’s current tech stack offers immediate value:

  • Off-grid and weak-grid PV deployments in Europe, Sub-Saharan Africa, Latin America, Southeast Asia
  • High-cost diesel replacement sites (e.g., islands, mines, remote telecom)
  • EU-funded decarbonization infrastructure
  • Urban districts with district heating/electricity needs

Initial SAM focus:

  • ~50 million addressable sites with solar exposure and thermal/electrical storage potential
  • Estimated cumulative SAM: ~$80–100 billion

2.3 Solarwarp® SOM

With current roadmap and scale-up potential, we project:

  • Pilot phase (2025–2026): 500–1,000 units deployed
  • Early growth phase (2027–2030): ~20,000 units cumulative
  • Long-term share (by 2040): 1.5–2 million units = ~2–3% of SAM

Assuming blended revenue of €10–25k per unit (hardware + service), this yields:

  • Revenue potential: €20–50 billion over 15 years
  • With 20–30% EBITDA margin in optimized markets

This SOM projection is grounded in:

  • Controlled go-to-market via project-based deployments
  • Strategic partnerships (utilities, NGOs, EPCs)
  • Scalable, IP-protected technology stack
  • Unit economics improving via volume manufacturing

3. Summary

Solarwarp operates in a massive and growing market. But unlike hype-driven TAM slides, we present a grounded path from Total Opportunity to Realistic Capture:

  • TAM: ~$400–500B global renewable storage opportunity
  • SAM: ~$80–100B in reachable solar+storage zones
  • SOM: ~$20–50B realistically capturable revenue

Why €20–50B can be justified:

  1. Unit Revenue Estimate
    We're assuming €10–25k per system. That’s a reasonable range depending on:

    • System size (single-family vs. microgrid)
    • Value-added services (monitoring, replacement, financing)
    • Deployment location (EU vs. remote Africa)
  2. Deployment Target: 1.5–2 million systems by 2040
    Over 15 years, that’s ~100k–130k systems/year at peak.
    Tesla sold ~1.3 million Powerwalls between 2015–2023. You're aiming for ~10× that number over 15 years globally, in a rising market.
  3. Energy Demand Trends
    Remote energy storage, autonomy, disaster resilience, and peak shaving are growing needs. Especially in Europe, Sub-Saharan Africa, South America, and island grids.
  4. Technology Fit
    Solarwarp offers chemical storage where lithium or hydrogen fail or make no economic sense. That means differentiated market access, not head-to-head competition.

What might limit that €50B scenario:

  • Scale-up Risk
    Can you build, distribute, install, and service 2 million units globally without dilution of quality, cashflow gaps, or channel breakdown?
  • CAPEX & Cash Flow
    If deployment is too hardware-heavy, funding that expansion could slow you down. You’d need clever financing, leasing, or bundling.
  • Competing Innovations
    What if new ultra-low-cost batteries or seasonal thermal storage solutions undercut your advantage in key markets?
  • Geopolitics & Regulation
    Some of your high-potential SAM markets are politically fragile or grid-monopolized.

Conclusion: Trim the public number, own the confidence

Instead of publicly claiming €50B SOM, we say:

"Our internal models suggest a SOM between €20–50 billion through 2040, depending on scale-up speed and unit configuration. We conservatively model our base case at €20B, with upside to €50B under aggressive deployment."

About the author 

Björn Mayer

Björn Mayer is a Marketing strategist, Growth-hacker with a strong focus on Virality Marketing. A storyteller, and systems thinker with a passion for turning complex science into meaningful impact. As co-founder and Head of Business Development at Solarwarp®, he bridges deep-tech innovation with market realities. Drawing from decades of experience in communications and cleantech, he champions resilient solutions for the energy transition—rooted in clarity, autonomy, and bold collaboration.