BESS · Standalone BESS
Standalone BESS Advisory and Technical Due Diligence
Scope at a Glance
- Technical due diligence
- Sizing, duration & dispatch review
- Grid connection & compliance
- Safety & technology/supplier review
- Commissioning readiness
- Operational performance review
Key Standalone BESS Risks
Where SgurrEnergy focuses its review for standalone storage assets.
Use-Case Uncertainty
Review whether the BESS is aligned to energy shifting, ancillary services, peak shaving, grid support or merchant operation.
Sizing and Duration
Review power rating, energy capacity, duration, availability, degradation and augmentation assumptions.
Revenue Assumptions
Review technical inputs that support revenue models, dispatch strategy and availability expectations.
Grid Connection
Review interconnection requirements, grid compliance, short-circuit contribution, power quality and plant control.
Safety and Compliance
Review layout, spacing, thermal management, fire detection/suppression, emergency response and applicable standards.
Technology and Supplier Risk
Review cell chemistry, PCS, EMS, warranties, supplier track record and performance guarantees.
Construction and Commissioning
Review QA/QC, FAT/SAT, commissioning readiness, test plans and acceptance requirements.
Operations
Review availability, dispatch performance, degradation tracking and lifecycle performance management.
Typical Client Situations
- A developer is screening a standalone BESS opportunity.
- An investor is acquiring or financing a storage asset.
- A lender needs independent review of BESS technical and revenue assumptions.
- A utility requires confidence in grid support and compliance capability.
- An owner is evaluating supplier proposals, warranties and augmentation assumptions.
- An operating BESS is underperforming against availability, dispatch or degradation expectations.
Typical Deliverables
- Standalone BESS technical due diligence report
- Sizing and dispatch review note
- Grid integration review
- Safety and compliance review
- Technology and supplier assessment
- Warranty and degradation review
- Revenue-assumption technical input review
- Commissioning-readiness review
- Operational performance review
Client Outcomes
- Stronger technical and revenue confidence
- Better sizing and duration decisions
- Improved grid-readiness and compliance visibility
- Reduced safety and warranty risk
- Stronger lender and investor confidence
- Improved long-term asset value protection