> For the complete documentation index, see [llms.txt](https://india-energy-stack.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://india-energy-stack.gitbook.io/docs/schemas/meterdatacredential.md). # MeterDataCredential *A signed, tamper-evident wrapper that attests who delivered a set of smart-meter readings, and that the readings have not been altered since.* | | | | ------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **Canonical base** | `https://india-energy-stack.github.io/ies-accelerator/schemas/MeterDataCredential` | | **Latest version** | **v0.6** | | **Status** | Stable — In Pilot (current: **v0.6**, aligned with MeterData v0.6) · **Issued by** data providers (AMISPs, MDM systems, or a DISCOM in that role) · **Consumed by** DISCOMs, consumers' wallets, and downstream verifiers | | **Category** | Verifiable Credentials | | **Used in** | [Consumer Meter Digest](/docs/use-case-implementation-guides/consumer-meter-digest.md) | What this schema is for, in plain language — standards basis, design rationale, open points: [MeterDataCredential (Schemas Overview)](/docs/schemas-overview/schemas-overview/meter-data-credential.md). ## Developer resources — v0.6 (current) | Resource | URL | Notes | | ------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | | Field reference (README) | | human-readable field reference for this version | | `attributes.yaml` | | OpenAPI 3.1 source of truth | | `schema.json` | | compiled JSON Schema (Draft 2020-12) — validate against this | | `context.jsonld` | | JSON-LD context for semantic resolution | | `vocab.jsonld` | | RDF vocabulary with standards alignments | | `examples/` | [https://github.com/India-Energy-Stack/ies-accelerator/tree/main/schemas/MeterDataCredential/v0.6/examples](https://github.com/India-Energy-Stack/ies-accelerator/tree/main/schemas/MeterDataCredential/v0.6/examples/README.md) | worked payloads | ## Field reference — v0.6 (current) *A field name in **bold** with a trailing **\*** is required; all others are optional. **Type** shows units for QuantitativeValue models. Descriptions are simplified to the plain meaning of each field — the per-version pages (see **Versions** below) carry the full text, standards basis and notes.* **MeterDataCredential** | Field | Type | Description | | ------------------- | -------------------------- | --------------------------------------------------------------------------------------------------------------------- | | `credentialSubject` | MeterDataCredentialSubject | The subject of the credential: the consumer or asset entity whose meter data is attested, plus the MeterData payload. | **MeterDataCredentialSubject** | Field | Type | Description | | ------------------ | ----------- | ------------------------------------------------------------------------ | | `id` | uri | DID of the consumer or asset entity whose meter data is being delivered. | | **`meterData`** \* | schema.json | The attested meter data payload. | ## Versions Every published version stays reachable at its canonical URL — clients pin a version explicitly. Click a version for its full field reference. | Version | Status | Notes | Files | | ------------------------------------------------- | ----------- | -------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [v0.6](/docs/schemas/meterdatacredential/v0.6.md) | **Current** | Wraps MeterData v0.6; DeDi-registry revocation (`credentialStatus.type: dediregistry`) | [schema.json](https://india-energy-stack.github.io/ies-accelerator/schemas/MeterDataCredential/v0.6/schema.json) · [attributes.yaml](https://india-energy-stack.github.io/ies-accelerator/schemas/MeterDataCredential/v0.6/attributes.yaml) · [examples](https://github.com/India-Energy-Stack/ies-accelerator/tree/main/schemas/MeterDataCredential/v0.6/examples/README.md) |