New articleSAP IS-U to S/4HANA Utilities: choosing between conversion, greenfield and selective transition

Fixed-scope package

A fixed-scope look at your ECC IS-U to S/4HANA Utilities path

A fixed-scope assessment for utilities planning the move from ECC-based SAP IS-U to S/4HANA Utilities. You get a written recommendation, not a slide deck of options.
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In scope

What the assessment covers

  • Review of your current IS-U release, landscape and published SAP maintenance dates that apply to you
  • SAP Readiness Check findings for utilities simplification items on a copy of production (or your latest extract)
  • Inventory of custom billing code: variant programs, function modules in billing schemas, user exits and enhancements, each marked keep, rebuild or retire
  • Master-data profile for business partners, contract accounts, connection objects, premises, installations and devices
  • FI-CA spot check: clearing, dunning, installment plans and reconciliation touchpoints that billing changes will hit
  • Interface list around IS-U (meter data, bill print, payments, portal, contact center) with notes on what changes by path
  • Draft billing parallel-run approach: portions, rate categories and how differences will be explained

Out of scope

  • Full system conversion or greenfield build
  • Fixed price for the later migration program
  • Hosting, infrastructure or AMS as part of this package

Typical phases

How the work usually unfolds

Timing depends on system access, extract quality and how quickly stakeholders can meet. We confirm a plan after kickoff rather than promising a calendar up front.

  1. 01

    Kickoff and access

    Agree scope, systems in scope, stakeholders and how we will work with your BASIS and billing teams.

  2. 02

    System and data review

    Readiness Check review, custom code inventory, master-data profile and FI-CA spot check against your landscape.

  3. 03

    Path recommendation

    Compare greenfield, brownfield and selective options against your custom code, data quality and process-change appetite.

  4. 04

    Memo and walkthrough

    Deliver the readiness memo, parallel-run draft and risk list, then walk through them with the people who will own the next step.

Who it suits

A good fit when you need a decision, not a brochure

  • Utilities on ECC-based IS-U that need a path recommendation before a larger program starts
  • Teams comparing greenfield, brownfield and selective data transition with their own system data
  • Programs already under way that need a focused review of billing, devices and FI-CA readiness
  • System integrators who want senior utilities specialists on the readiness workstream

Walk through the assessment with a senior consultant

Bring your current release, a rough sense of custom billing objects and who owns the S/4 decision. We will say whether this package fits.

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