ISEN – Integrated Sustainable Energy Nexus

ISEN is a modular carbon capture and utilization technology designed for continuous, mid-scale energy and industrial plants. It captures CO₂ from controlled flue-gas slipstreams and converts it locally into fuels and chemical products while integrating waste-heat recovery. Operation and performance are continuously optimized through IDOS with Adaptive Intelligence Layer (AIL), enabling scalable deployment and site-specific efficiency. 

DKPTO Patent Number: DK202530021

JANUS – Secure Dual-Path Control Architecture

JANUS is a patented control and decision architecture developed for military, defense, and critical infrastructure environments. It enables secure, redundant, and segregated operational pathways, ensuring system integrity under fault, attack, or degraded conditions. JANUS is designed for applications where reliability, security, and controlled override are mission-critical. See Below for more INFO.

DKPTO Patent Number: DK202630063

AMHCS – Adaptive Multi-Heat Cascade System

AMHCS is a patented thermal optimization system that intelligently allocates and prioritizes heat across complex industrial processes. It minimizes heat rejection, reduces thermal cycling, and improves overall efficiency in CCUS, power generation, and process-industry applications. AMHCS is technology-agnostic and applicable to both new and existing plants, including amine-based capture systems. See Below for more INFO.

About ISEN Energy

ISEN Energy is a technology platform dedicated to the development and stewardship of patented systems that improve the efficiency, resilience, and performance of energy, industrial, and critical infrastructure assets. Its patent portfolio encompasses three distinct technologies:

• ISEN™ – Membrane-based carbon capture and utilization systems for biogas, biomass, and CHP facilities
• AMHCS™ – Adaptive thermal optimization for existing and new CCUS installations
• JANUS™ – Secure dual-path control architecture for military, defense, and critical infrastructure

The platform focuses on practical, deployable solutions developed for real operating environments where reliability, scalability, and economic viability are essential.

Governance and Intellectual Property:

All intellectual property and patents presented under ISEN Energy are governed by GoFreyra ApS, which acts as the business governor of the portfolio, ensuring structured development, responsible commercialization, and long-term protection of the underlying technologies. The patented inventions are held by Dan Sommer, whose work spans energy systems, industrial optimization, control architecture, and strategic infrastructure design.

Research and Development:

ISEN Energy's research and development activities leverage advanced AI-assisted design methodologies for system modeling, performance optimization, and technical documentation. This computational approach enables rapid iteration, comprehensive scenario analysis, and systematic evaluation of complex industrial systems under varying technical and regulatory conditions.

JANUS – Secure Dual-Path Control Architecture

JANUS (Just-in-time Adaptive Network of Unified Safeguards) is a patented multi-lane control architecture designed for military, defense, and critical infrastructure environments where system integrity must be maintained under fault, attack, cyber intrusion, or severely degraded operating conditions. Unlike conventional control systems that rely solely on software interlocks for safety, JANUS enforces critical operational constraints through physical material-state boundaries and firmware-independent analog circuits.

Core Innovation:
JANUS separates performance optimization from safety enforcement across multiple independent control lanes:

• Primary Lane – AI-optimized performance control under normal conditions
• Secondary Lane – Degraded operation mode with reduced functionality
• Tertiary Lane – Manual override with direct operator control
• Quaternary Lane – Analog failover mode (TERMINUS) operable without digital systems
• Emergency Lane – Physical constraint enforcement via LIMEN elements (requires no power or control)

The system continuously monitors operational parameters and automatically transitions between lanes when degraded conditions, anomalies, or security threats are detected—ensuring mission-critical systems remain operational even when primary control paths are compromised.

Key Technical Features:

• LIMEN™ Constraint Elements: Physical electrochemical devices that enforce hard safety limits (voltage, current, temperature) through material-state transitions—operable without power, software, or communication
• TERMINUS™ Analog Failover: Firmware-independent analog circuits that maintain safe operation during complete digital system failure, cyber attack, or electromagnetic pulse (EMP)
• Multi-Lane Transition Logic: Intelligent degradation detection with automatic lane switching based on sensor fusion and anomaly detection algorithms
• Contested Environment Resilience: Designed to maintain operational capability under jamming, cyber intrusion, kinetic attack, or power disruption
• Modular Retrofit Design: Standardized interfaces enable integration with legacy military and industrial control systems without replacing core equipment

Safety Philosophy:
"Safety constraints are never dependent on software correctness."
JANUS embeds physical and analog safety boundaries that function independently of all digital control layers, ensuring graceful degradation rather than catastrophic failure under hostile conditions.

Market Positioning:
JANUS addresses critical limitations in existing military and critical infrastructure control systems:

• Vulnerability to cyber attack – Conventional PLCs and SCADA systems can be compromised; JANUS maintains operation via analog and physical fallback paths
• Single-point failure modes – Traditional architectures fail catastrophically when primary control is lost; JANUS degrades gracefully through multiple independent lanes
• EMP/HEMP susceptibility – Digital systems are vulnerable to electromagnetic pulse; JANUS includes hardened analog and electrochemical layers
• Operator override conflicts – Many systems prevent manual intervention during automated operation; JANUS provides explicit manual override lane with safety preservation

Target Applications:

• Defense systems: Weapons platforms, propulsion control, power distribution for naval vessels, ground vehicles, and aircraft
• Critical infrastructure: Power grids, water treatment, nuclear facilities, telecommunications, data centers
• Industrial safety systems: Chemical plants, refineries, mining operations requiring fail-safe operation
• Autonomous systems: Unmanned vehicles, robotic platforms, remote installations requiring resilient control under contested conditions
• Space and extreme environments: Radiation-hardened control for satellites, deep-space missions, polar installations

Operational Advantages:

• Maintains mission capability under cyber attack or control system compromise
• Enables graceful degradation with multiple fallback operation modes
• Reduces catastrophic failure risk through physics-based safety enforcement
• Provides verifiable security through hardware-enforced constraints (not software-dependent)
• Supports both new-build and retrofit integration across diverse platforms

AMHCS – Adaptive Multi-Sink Heat Cascade System

AMHCS is a patented thermal optimization system designed to dynamically allocate thermal energy across multiple heat sinks in carbon capture and utilization (CCUS) facilities. Unlike conventional fixed-routing systems, AMHCS continuously optimizes heat distribution in real-time to minimize parasitic cooling loads, reduce thermal cycling, and improve overall system efficiency.

Core Innovation:
AMHCS solves a constrained, multi-objective optimization problem using real-time measurements to allocate thermal energy among:

• Solvent regeneration duty (reboiler heat for amine-based systems)
• CO₂ compression intercooling and heat recovery
• CO₂ conditioning or utilization thermal processes (synthesis reactors, conditioning modules)
• District heating networks or thermal storage systems

The system maintains minimum CO₂ capture performance while reducing heat rejection and external steam demand—particularly valuable during transient conditions and variable heat availability.

Key Technical Features:

• Multi-tier heat cascade (Tier-1: ≥350°C, Tier-2: 120-350°C, Tier-3: 40-120°C)
• AI-driven optimization engine with digital thermal twin modeling
• Passive safety fallback (thermosyphon-driven heat rejection operable without power)
• Degradation-aware control (predictive fouling detection and adaptive routing)
• Modular, standardized interfaces for retrofit or new installations

Market Positioning:
AMHCS is technology-agnostic and applicable to both amine-based and membrane-based CCUS systems, as well as power generation and process industries. It can be deployed as:

• Retrofit add-on for existing amine-based CCU facilities (reduces steam demand 15-25%)
• Integrated component in new CCUS installations (including ISEN membrane systems)
• Standalone heat optimization for industrial plants with complex thermal integration requirements

Target Applications:
Operational CCUS facilities, power plant carbon capture systems, industrial CO₂ separation plants, and process industries seeking improved thermal efficiency, reduced maintenance burden, and enhanced operational flexibility.

ISEN Energy develops deployable technologies for today's infrastructure, informed by long-term system thinking and disciplined governance.

Our Mandate

ISEN Energy operates with a pragmatic mandate: to enable existing infrastructure to operate more efficiently, adapt to regulatory and market pressures, and extract greater value from energy, heat, and process streams that are otherwise underutilized—while maintaining operational security and resilience under challenging conditions.

Platform Approach:

The portfolio is structured to serve diverse operational requirements:

• ISEN™ – For operators seeking complete carbon-negative transformation of biogas, biomass, or CHP facilities through membrane-based CO₂ utilization
• AMHCS™ – For existing CCUS facilities seeking thermal optimization and efficiency improvements without replacing core capture technology
• JANUS™ – For military, defense, and critical infrastructure requiring resilient control architecture capable of operating under contested or degraded conditions

Partners may engage with individual technologies, combined solutions, or broader system concepts, depending on operational needs, risk posture, and strategic objectives.

Commercialization Strategy:

ISEN Energy pursues structured partnerships with engineering, procurement, and construction (EPC) firms, technology integrators, defense contractors, and industrial operators. Engagement models include:

• Technology licensing for specific applications or geographic markets
• Joint development agreements for customized implementations
• Pilot project collaborations to demonstrate performance in real operating environments
• Patent portfolio evaluation for strategic partnerships or acquisition

All engagements are governed through clear intellectual property frameworks that protect both the underlying inventions and the commercial interests of implementation partners.