# XaaSGrid Energy as a Service — Documentation Index
Version: 0.3 | 2026-09-28

EaaS is Energy as a Service for Nigeria: a managed platform for energy discovery, system design, deployment, activation, monitoring, billing, maintenance and customer service.

## Public documentation
- Master business requirements: what the service must achieve.
- Functional requirements: user journeys, workflows and system behaviour.
- Architecture: platform core, energy domain, data, integrations and deployment.
- User acceptance testing: acceptance scenarios and evidence requirements.
- Geography specification: Nigeria's 36 States + FCT and 774 LGAs / Area Councils.
- Build and release record: accepted implementation history.
- Continuous documentation control: how requirements, code, evidence and UAT stay aligned.
- Rebuild runbook: how an authorised team can reproduce the service.
- Photography and media register: controlled visual assets and usage notes.
- Remaining scope and roadmap: current product status and next integration gates.

## Product areas
1. Commercial discovery and qualification.
2. Energy assessment and preliminary modelling.
3. Engineering and site-survey control.
4. Customer onboarding, contracts and service activation.
5. Field installation, commissioning and maintenance.
6. Asset, device and telemetry management.
7. Billing, subscriptions and payment reconciliation.
8. Customer portal and service support.
9. Operations, security, audit, backup and observability.

## Geography
The public service supports all 36 States and the Federal Capital Territory, with the complete 774 LGA / Area Council layer. Users can select a State/FCT on the administrative map and open its local coverage page.

## Source control
Authoritative implementation is maintained in Git. The current source tree is versioned and release changes are documented before production acceptance.

## Release control
Requirement → design → implementation → test → evidence → UAT → acceptance → Git release.

## Downloads
Download the complete documentation pack from the EaaS home page. Documentation is updated after accepted releases; the latest version always supersedes an earlier public pack.