Course 03 of 20 · Battery and Flexibility Desk Academy

Degradation, Warranties & Dispatch Limits

Stage A, Asset and constraint foundations. Level 2 of 10.

The warranty and degradation rulebook, covering cycle and throughput allowances, depth-of-discharge and temperature conditions and capacity guarantee tests, and the dispatch limits those terms impose.

121 chapters · 11 modules · every chapter one 8 to 10 minute explainer · builds on: Course 01, Course 02

Enrol or enquire See the 121 chapters
How a chapter is delivered

One chapter is one idea taken to the point of use

Each chapter covers one idea to the point where you can use it, and comes two ways: a narrated explainer, and a deep dive audio discussion of around thirty minutes that works the same material at depth.

Self-paced throughout, and the same chapters can be taught as a cohort. Chapters run in order: each one assumes only what the chapters before it taught, and capability belonging to a later course is named and deferred rather than half-covered.

Curriculum

11 modules · 121 chapters

Open any module for its full chapter list, in teaching order.

M0 The Document That Bounds What Can Be Sold Ch 1-11
  1. The Warranty as the Paper That Limits Operation
  2. A Physical Limit and a Contractual Allowance Are Not One Object
  3. The Paper Around a Storage Asset and Which Part Binds Use
  4. What the Supplier Promises and What It Declines to Promise
  5. Why the Limits Come Before the Revenue Plan
  6. The Seat This Rulebook Is Written From
  7. The Working Vocabulary of Retention and Wear
  8. The Duty Profile Annexe and Why It Is the Real Agreement
  9. Who Inside the Business Holds Each Obligation
  10. Where This Thread Stops and Other Courses Begin
  11. An Illustrative Retention Schedule Read Clause by Clause
M1 How a Battery Loses Capability Ch 12-22
  1. Energy Loss and Power Loss as Two Separate Failures
  2. Ageing That Accrues While Nothing Is Dispatched
  3. Ageing That Accrues Because Energy Was Moved
  4. Whether the Two Ageing Paths Simply Add: The Argument
  5. Temperature as an Accelerant and the Modelling Assumption Behind It
  6. Resting State of Charge as a Stress Variable
  7. Why Deeper Discharge Consumes More of an Allowance
  8. Charge and Discharge Rate as a Stress in Its Own Right
  9. Late-Life Acceleration: The Observation and the Disagreement
  10. Cell, Module and System: Where Loss Appears and Where It Is Read
  11. Why Mechanisms Matter Commercially Only Through the Terms
M2 Counting Use: Cycles, Equivalent Cycles and Throughput Ch 23-33
  1. What Counts as One Cycle Depends on the Definition Supplied
  2. The Equivalent Full Cycle and the Arithmetic Behind It
  3. Energy Throughput as the Alternative Measure
  4. Which Counting Basis Favours Which Party
  5. Partial Movements and the Counting Problem They Create
  6. Counting Irregular Duty With a Fatigue Method
  7. The Measurement Point That Decides the Number
  8. Charge Energy or Discharge Energy: Which Side Is Counted
  9. Conversion Loss Sitting Inside the Count
  10. Reconciling the Supplier's Count Against the Owner's
  11. An Illustrative Week Counted Four Ways
M3 The Allowance and the Period It Is Measured Over Ch 34-43
  1. Reading the Allowance Out of the Schedule, Not Off the Hardware
  2. Daily, Annual and Lifetime Limits Stated Together
  3. The Measurement Window and What Resets at Its Boundary
  4. Two Bases at Once and Finding Which One Binds
  5. Unspent Allowance and Whether the Document Lets It Carry
  6. Front-Loading Use Against a Flat Permission
  7. Deliberately Leaving Allowance Unspent
  8. Operating Past the Permitted Quantity
  9. Turning an Annual Permission Into a Daily Operating Budget
  10. Following Allowance Consumption Month by Month
M4 Conditions Attached to Permitted Use Ch 44-55
  1. A Condition Is Not Advice: How Operating Limits Bind
  2. The Discharge Depth the Document Permits
  3. Usable Energy Once the Depth Condition Is Applied
  4. Resting Charge Limits and the Parked Asset
  5. Maximum Rate Conditions on Charge and Discharge
  6. The Permitted Temperature Band
  7. Cooling Availability as a Condition on Everything Else
  8. Site Ambient Conditions Against the Assumed Ones
  9. Excursions: What Counts, What Is Logged, What Is Reported
  10. Auxiliary Draw the Conditions Oblige the Owner to Run
  11. Commissioning and Early-Life Requirements
  12. Reading the Conditions as One Operating Envelope
M5 The Retention Undertaking and How It Is Tested Ch 56-67
  1. Guaranteed Energy as a Promise Against a Falling Reference
  2. The Shape of the Declining Reference, Not Only Its Endpoint
  3. Measured Against the Undertaking, Not Against Nameplate
  4. The Test Procedure and the Conditions It Demands
  5. Choosing the Measurement Boundary for the Test
  6. Published Test Methods a Supplier May Reference
  7. Who Witnesses the Test and What the Certificate Records
  8. Tolerance, Instrument Uncertainty and a Marginal Result
  9. The Energy a Test Consumes and Who Bears It
  10. Test Frequency and the Years Between
  11. A Result Below the Reference and the Remedy Path
  12. An Illustrative Verification in a Middle Year
M6 Holding the Undertaking: Oversizing, Augmentation and Service Ch 68-77
  1. Building Larger Than Needed to Meet a Later Promise
  2. Augmentation as a Planned Addition of Capability
  3. Module Replacement and Strings of Mixed Age
  4. The Service Arrangement and How It Interlocks
  5. An Availability Promise Against a Retention Promise
  6. Spares Holding and the Lead Time Behind It
  7. Control Changes the Supplier Must Approve
  8. The Operating Profile the Undertaking Was Priced Against
  9. Renegotiating the Envelope Partway Through the Term
  10. An Illustrative Augmentation Plan Against a Falling Reference
M7 Exclusions, Evidence and Loss of Protection Ch 78-88
  1. The Exclusions List and What It Actually Removes
  2. Working Outside the Envelope as an Excluded Cause
  3. The Data a Supplier Will Ask to See
  4. Who Holds the Operating Record and in What Form
  5. Logging Obligations the Commercial Team Must Fund
  6. Proving Compliance When the Supplier Disputes It
  7. Operation by a Third Party Under Delegated Control
  8. Network Events and Causes Outside the Operator's Hands
  9. Notification Deadlines Buried in the Schedule
  10. Losing One Protection and Keeping Another
  11. An Illustrative Argument Over an Excursion Record
M8 The Constraint Set Dispatch Will Work To Ch 89-100
  1. Why Dispatch Needs a Constraint Set, Not a Document
  2. The Constraint Families a Retention Undertaking Imposes
  3. Normalising Permitted Use Into One Budget Figure
  4. Expressing the Depth Condition as Energy Bounds
  5. Expressing the Rate Condition as a Power Ceiling
  6. Expressing the Thermal Condition as a Conditional Reduction
  7. The Residual Life Position Across the Term
  8. Testing Which Constraint Binds First
  9. Writing the Constraint Register
  10. Versioning the Register When the Document Changes
  11. Handing the Register to Dispatch, Trading and Stacking
  12. An Illustrative Constraint Register for One Asset
M9 Reading, Comparing and Negotiating the Terms Ch 101-110
  1. A Reading Order for an Unfamiliar Schedule
  2. Comparing Two Suppliers on the Same Duty
  3. The Questions That Change the Answer
  4. Degradation Models a Supplier Presents and Their Assumptions
  5. The Assumed Duty Behind a Quoted Promise
  6. Asking for a Different Envelope at Tender
  7. Where the Retention Terms and the Service Terms Contradict
  8. Explaining the Constraints to People Who Will Not Read Them
  9. Terms Worth Paying For and Terms Worth Refusing
  10. An Illustrative Comparison of Two Offers
M10 Worked Situations and the Limits of This Rulebook Ch 111-121
  1. A Full Year Planned Inside the Envelope, Part One
  2. A Full Year Planned Inside the Envelope, Part Two
  3. The Hour When the Budget and the Price Disagree
  4. A Second Commitment Added to a Committed Asset
  5. An Excursion Recorded During a Valuable Hour
  6. A Verification That Comes In Marginal
  7. A Supplier Revising Terms Partway Through
  8. Where the Science Will Not Yield a Number
  9. The Questions This Document Cannot Answer
  10. What This Rulebook Cannot Do
  11. The Constraint Register Carried Forward

The brochure gives each of these 121 chapters a paragraph on what it covers and what you can do once you have worked through it.

This is course 3 of twenty

It stands alone, and it is also the entry point to the Battery and Flexibility Desk Academy pathway.

Enrol or enquire See the whole pathway