Project Input ReviewList of objectives, constraints and basic inputs
Engineering Consulting ｜ Engineering Consulting
On-site conditions, system interfaces and
Operational objectives, translated into implementable
Engineering decisions
Focusing on Engineering Consulting and Technical Decision Support in large-scale BESS projects to form verifiable engineering judgements from real sites, system boundaries, operational objectives and project constraints. This page focuses on Engineering Consulting and Decision-Making and does not serve as an equipment sales or product selection page.
Our Engineering Consulting Process
Field and interface boundary confirmationSites, interfaces and liability boundaries
Risk identification and assessmentHAZID / HAZOP / Risk evaluation
Programme comparison and quantitative assessmentTechnology, economy and enforceability
Project proposal and course of implementationPhased strategy and interface recommendations
Decision-making records and traceabilityBasis for decision-making and evaluation of results
Large BESS Engineering Consulting Key Perspectives: from a constraints perspective, the development of an implementable decision matrix
We've consolidated the decentralized input conditions into a verifiable bound map, and we've made engineering suggestions around the architecture and implementation strategy.
Electrical interconnection conditions
- POC capacity and short-circuit capacity
- Voltage level and protection requirements
- Grid-connection codes
Load and operating targets
- Peak-valley arbitrage / frequency regulation / backup needs
- Charge/discharge strategy and energy targets
- Availability and lifetime goals
Communications and monitoring
- Dispatch communications and protocol requirements
- Cybersecurity and isolation requirements
- Data point lists and interfaces
Lifecycle and O&M
- Life cycle costs (LCC)
- O&M resources and spare-parts strategy
- Decommissioning and recycling requirements
Sites and civil facilities
- Available area and layout boundary
- Endurance / Mark / Drain
- Road and site construction
Climate and environmental conditions
- Extreme temperature / humidity / altitude
- Wind / Dust / Salt mist / Thunder
- Seismic intensity requirements
Fire and emergency routes
- Fire water and stress
- Fire spacing and evacuation path
- Availability of emergency relief
Logistics and construction conditions
- Transport load and turn radius
- Hanging radius and equipment transport
- Construction windows and seasonal impacts
Binding integration and authentication
Conflict identification and prioritization Multidisciplinary proofing Phase engineering judgement
• Action matrix Example:
| Constraints | Key indicators / requirements | Current status | Risk level | Engineering decision/action | Responsible party | Target completion time |
|---|---|---|---|---|---|---|
| Networked short-circuit capacity | ≥ 25 GVA | 18.7 GVA | High | Add 110 kV pressure transformer to optimize grid access Points | Owner / Network Company | T + 30 days |
| Available area | ≥ 120m × 80m | 110m × 72m | Medium | Optimization of deployment, adoption of compact schemes, pre-positioning of transportation routes | Engineering Consulting / Design Institute | T + 21 days |
| Fire access route | ≥6m loop channel | Local 4m | High | Reconfigure the whole plane and reset the fire escape. | Engineering Consulting / EPC | T + 14 days |
| High ambient temperature | 35°C Design temperature | 40.6°C(P90) | Medium | Adjustment of thermal management system to increase the heat design abundance | Engineering Consulting | T + 14 days |
| Communication links | Double-link redundancy | Single link | Medium | Add a new communications backup link, configure the LTE backup chain | Owner / Communications Service | T + 21 days |
Programme versus quantitative decision-making
| Programme | Option A Exchange coupling | Option B: DC coupling | Option C Mixed coupling |
|---|---|---|---|
| Available capacity | 100 MW | 100 MW | 100 MW |
| System Efficiency (RTE) | 87.1% | 89.6% | 88.3% |
| CAPEX (thousands) | 41,200 | 44,600 | 42,800 |
| Land area (m2) | 9,600 | 9,200 | 9,450 |
| Construction cycle | 7.5 months | 8.0 months | 7.0 months |
| Transport complexity | Medium | Medium | Medium High |
| Comprehensive rating (weighted) | ★★★☆☆ | ★★★★☆ | ★★★★☆ |
Interface boundaries and delineation of responsibilities Example:
List of typical interfaces
| Interface category | Interface Name | Interface Description | Interface Point | Responsible party (recommendation) |
|---|---|---|---|---|
| Electrical interface | Grid-connected interface | 35kV Switch Cable Access | Switch the counter out of the line. | Owner / Network Company |
| Electrical interface | Secondary power | AC 380/220V, 50Hz | A low-pressure cabinet. | EPC |
| Communications interface | Dispatch communications | IEC 104 / 101 | Combination cabinet | Owner/ Communications Unit |
| Communications interface | Site Network | Ethernet (MMS) | Industrial exchanges | EPC |
| Fire interface | Fire fighting. | Fire alarm, contact control. | Fire control cabinet | EPC |
| Civil interface | Foundation and location | Equipment base, grounding out | Base Ground End | EPC |
| Drainage interface | Field drainage | Lower drainage and ditches. | Intersection Point | EPC |
Risk identification and response Example risk register
| Risk ID | Risk description | Reason | Impact | Possible | Risk level | Response | Head |
|---|---|---|---|---|---|---|---|
| R-01 | Inadequate grid access | Delay in grid planning | Project extensions | High | High | Forward communication with grid company, pre-positioning the expansion programme | Consultants |
| R-02 | Fire escape is not satisfactory. | Limited site | I can't get through. | Medium | High | Optimizing the master chart and increasing the ring channel | Consultants |
| R-03 | High temperatures cause drops | Extremely high temperature | Reduced availability | Medium | Medium | Optimizing heat management by selecting environmentally compatible devices | Consultants |
| R-04 | Single-point failure of communication links | Communications company lines | Dispatch aborted | Medium | Medium | Double-link redundancy + back-up links | Consultants |
| R-05 | Logistics constraints | Inadequate road width | Delays in the shipment of equipment | Low | Medium | Construction window and transport programme adjustments | Consultants |
On the ground, the evidence chain. Example:
Site status (Northern perspective)Available area approximately 7.9 ha
Landmarks and drainageLowest Point Mark Around -1.2m
Fire escapes are measured.Local net width approximately 4.2 m
Transport road and turn radiusTurn radius approximately 12.5 m
Access point site survey35kV switch station
Site status (Northern perspective)
Available area approximately 7.9 ha
Landmarks and drainage
Lowest Point Mark Around -1.2m
Fire escapes are measured.
Local net width approximately 4.2 m
Transport road and turn radius
Turn radius approximately 12.5 m
Access point site survey
35kV switch station
List of engineering deliverables Selected
Need to do Engineering Consulting on your BESS project?
We will help you to make enforceable, reviewable and retroactive project decisions, based on conditions on the ground and project constraints.
Scope of consultationProject levelBESS
OutputProgramme and boundaryReview
Applicable sizeBy SiteMW / Item