Turning energy complexity
into commercial advantage
Alteraxis Consulting
A boutique commercial consultancy focused on complex Battery Energy Storage Systems (BESS) fixed-price tolling and optimization agreements, providing senior-led, independent advice grounded in repeat execution of bankable revenue structures. We help investors, asset owners, and lenders turn market and contractual complexity into durable commercial outcomes.
Our work is centered on the structuring and negotiation of fixed-price tolling, floor-priced, and merchant optimization agreements for BESS projects, and on aligning these revenue contracts with BESS procurement strategies and project financing requirements. We operate at the intersection of markets, contracts, technology, and finance, supporting clients through the most critical commercial decisions across the lifecycle of a BESS project.
Our Purpose
Commercial success in BESS projects depends on aligning optimization strategy with financing reality from the outset
We enable clients to achieve bankable, value-accretive outcomes through clear, actionable guidance and senior-led decision support.
Misalignment between BESS revenues assumptions and financing requirements is a primary source of value erosion.
BESS projects combine technical, operational, and commercial complexity, and the interaction between optimization strategy, revenue structures, and project finance is often decisive for investment committee approval, credit decisions, and long-term value creation.
Effective outcomes require senior, independent advice and close coordination across stakeholders, and deep market understanding.
We support clients in selecting and negotiating merchant, floor-priced, and fixed-price tolling structures, carefully managing trade-offs between revenue certainty, upside potential, and operational risk, in close collaboration with sponsors, advisors, and lenders.
Our Values
Professionalism
We bring rigor, integrity, and discretion to every engagement, combining deep market knowledge with clear, decision-focused communication.
Creativity
We challenge conventional approaches to unlock value where others see constraints, developing tailored commercial and contractual solutions for each asset and market.
Resourcefulness
We focus on practical paths forward, balancing ambition with realism and efficiency with impact, to clearly define both challenges and solutions.
Problem Solving
We translate complex technical, commercial, and contractual issues into structured, actionable, and decision-ready outcomes.
Excellence
We uphold the highest standards of analytical quality and execution, aiming not only for solutions that work, but for solutions that work best.
Openness
We work transparently and collaboratively, openly discussing assumptions, insights, and risks to build trust and enable better decisions.
BESS Tolling and Optimization Agreements
Structured BESS revenue contracts are the primary lever for value creation, risk allocation, and bankability.
For investors, they directly influence revenues risk, investment committee approval, downside protection, and equity returns; for lenders, they determine revenue certainty, risk transfer, and credit approval.
BESS optimization must be structured with financing considerations in mind.
While BESS has become a system-critical asset class, its technical and operational parameters such as degradation, efficiency, warranties, and availability, directly shape commercial outcomes and financing assumptions. Revenue structures range from fully merchant exposure to floor-priced and fixed-price tolling arrangements, with material implications across markets.
Lenders increasingly favor contractually robust, financing-consistent BESS tolling agreements.
As markets mature, lender concern over merchant BESS revenue volatility is increasing. Fixed-price BESS tolling agreements typically improve bankability and the ability to secure project financing. They often enable improved financing terms, including higher gearing ratios of up to 75–80% compared to 50–60% for merchant projects, as well as lower cost of debt through improved margins. Achieving these outcomes requires disciplined alignment between optimizer incentives, asset capabilities, contractual risk allocation, and financing requirements over the full life of the project.
Our Services
We provide comprehensive commercial advisory services across the full revenue securing process for BESS projects, from early market engagement through to contract execution, with a strong focus on ensuring that optimization strategies, revenue contracts, and financing structures are fully aligned.
End-to-End Process Support
Our support and capabilities cover the full process from market engagement to contract execution:
Market sounding
Identification of relevant optimizers and tollers, comparison of capabilities, and assessment of commercial structures
Strategic revenue advisory
Evaluation of merchant exposure, floor-priced arrangements, fixed-price tolling, and hybrid structures
Indicative offers
Requesting, receiving, and reviewing non-binding offers
Term sheet phase
Analysis and comparison of term sheets, counterparty shortlisting, and best-efforts support in negotiating commercial, technical, and credit terms
Full-form agreements
Review, comparison, and best-efforts negotiation of binding contracts
Financing coordination
Close coordination with financial modeling and financing teams to align revenue agreements with financing requirements and documentation
Technical and legal alignment
Coordination with technical, procurement, operations, and legal teams to align revenue contracts with battery supply, O&M, EPC, and BOP agreements
Decision support
Preparation of materials and presentations for senior management to support strategic and commercial decision-making and approvals
Who we’re here for
Investors and Asset Owners
We support the structuring, negotiation, and execution of:
- Fixed-price BESS tolling agreements
- Merchant BESS optimization agreements
- Floor-priced BESS revenue agreements
- Hybrid solar and storage optimization structures
We work closely with clients to align revenue contracts with BESS supply agreements, technical and operational parameters, and lender credit and bankability requirements, always subject to the client’s strategy and preferences, with the objective of ensuring that all contractual obligations and guarantees function coherently.
Lenders and Investors
We provide:
- Lenders’ commercial advisory (LCA) for BESS tolling, floor-priced, and merchant optimization agreements
- Commercial due diligence of BESS revenue contracts, including tolling, floor-priced, and merchant optimization agreements
Our Track Record
We bring a proven track record in structuring, negotiating and signing BESS fixed-price tolling agreements and optimization contracts across the EU and the UK, supporting successful project financing outcomes.
Our experience includes:
BESS tolling and optimization agreements
Successful negotiation and delivery of complex tolling and optimization structures, managing commercial, technical, financial and contractual interdependencies
BESS project financing support
Close collaboration with financing teams, lenders, and investors to establish confidence in revenue strategies and enable attractive project financing terms
Market relationships
Strong familiarity and working relationships with leading BESS optimizers and tollers, and the ability to engage new counterparties and assess their value propositions
M&A experience
Execution of renewable energy M&A transactions, including ready-to-build BESS and solar acquisitions, partial and full company acquisitions, and corporate structuring
Broader energy experience
Proven track record across energy sectors including oil and gas, LNG, metals and mining, and infrastructure, contributing additional depth to commercial discussions and negotiations