EMA Transmission Code modifications for domestic solar PV

Record details

Value

Effective 9 September 2026: aggregated 1 MWac connection-scheme threshold; new grid-connected units require grid-forming inverters with 0.9 leading to 0.9 lagging power-factor capability; solar-specific reserve and monitoring clarifications apply

Unit

regulatory requirements and effective date

Value type

observation

Population

Solar PV generation facilities installed in Singapore that connect to or operate on the transmission system

Denominator

Aggregated installed AC nameplate capacity at the relevant connection point for the 1 MWac threshold; inverter requirement applies to new grid-connected units from the effective date

Reference period

9 September 2026 onward

Retrieved

2026-09-01

Published

2026-08-26

Geography

sg.geo.country.singapore

Notes

Domestic means installed in Singapore, not limited to residential premises; existing systems are generally outside the new inverter requirement unless recommissioned or materially modified.

Dates describe this record’s own period and applicability. A verification date does not mean a rule is currently in force.

Sources

• https://www.ema.gov.sg/content/dam/corporate/partnerships/consultations/proposed-modifications-to-the-transmission-code-june-2026/EMA-Consultations-Decision-Proposed-Modifications-to-Transmission-Code-08262026.pdf.coredownload.pdf Accessed 2026-09-01