Grid-connection requirements decide whether a system can be commissioned at all. This page compares requirements by market; municipal rules may add further conditions.
[To be confirmed by company] Thresholds and test versions change with revisions. Confirm the valid certificate version with the certification body before quoting.
Comparison by market
| Market | Standard / requirement | Applies to | Typical local addition |
|---|---|---|---|
| EU (general LV) | EN 50549-1 | Generation equipment | National implementation |
| EU (general MV) | EN 50549-2 | Generation equipment | National implementation |
| Germany / Austria | VDE-AR-N 4105 (LV), VDE-AR-N 4110 (MV) | Inverter + storage | Unit certificate (Einheitenzertifikat), grid-operator registration |
| Germany | Sec. 14a EnWG (controllable loads), Sec. 9 EEG (feed-in limitation) | Systems 2-100 kW | Smart feed-in limitation |
| Italy | CEI 0-21 (LV), CEI 0-16 (MV) | Inverter | Local distributor registration |
| United Kingdom | G98 / G99 + BS 7671 installation | Inverter | DNO application |
| South Africa | NRS 097-2-1:2017 (approved inverter list), SANS 10142-1-2 | Inverter + embedded generation | Municipal SSEG registration (rules differ per municipality), CoC by a registered electrician |
| Malaysia | SIRIM + Energy Commission (Suruhanjaya Tenaga) | Product + installation | Solar ATAP application |
| Vietnam | EVN grid requirements; Decree 135 / Decree 243 framework | Rooftop PV | Provincial rollout varies |
| Indonesia | SNI (scope to be confirmed) + PLN requirements | Product | Confirm mandatory scope |
| Philippines | ERC net-metering rules, local electrical code | Inverter | Net-metering application on the user side |
| Thailand | MEA / PEA approval | Grid-tied | Local channel dependent |
Disclaimer for installers and users
Grid connection must be carried out by a locally licensed electrician or registered installer. Requirements differ between grid operators and municipalities, and may change without notice. The information on this page is guidance only and does not replace the applicable local regulation.
Municipality-level guidance
Per-municipality guidance is published market by market. South Africa alone has 177 municipalities with their own SSEG rules – see the South Africa market page.