ConnectDER's Meter Socket Adapter Achieves Wide-Scale Adoption Across California's Largest Utility Territories Serving Over 35 Million Residents

Detailed summary

ConnectDER's IslandDER™ Meter Socket Adapter has received formal approval by PG&E, SCE, SDGE, and SMUD, having already logged over 1 million operating hours in the field with more…

ConnectDER's IslandDER™ Meter Socket Adapter has received formal approval by PG&E, SCE, SDGE, and SMUD, having already logged over 1 million operating hours in the field with more than 100 installer partners and five battery system integrations—enabling faster, safer, more affordable storage installs for most Californians.

SAN DIEGO, Nov. 11, 2026 /PRNewswire/ -- ConnectDER, the leading manufacturer of meter socket adapters (MSAs), or meter collars, for solar, batteries, and EV charging installations, today announced that its IslandDER™ MSA has surpassed 1 million operating hours with a 99.6% reliability rate* across installations in California's major utility territories. IslandDER™ has been commercially available since the start of 2026 in Pacific Gas & Electric (PG&E), Southern California Edison (SCE), and San Diego Gas & Electric (SDGE).

ConnectDER's meter socket adapters streamline the installation process of distributed energy resources (DERs) for millions of Californians by plugging directly into the existing utility meter socket outside the home. This innovation bypasses the need for laborious main panel upgrades, full service replacements, circuit relocations, and subpanels—all of which lead to lost revenue and scheduling challenges for installers and increased costs for homeowners.

"IslandDER adoption in California has been swift from the moment field installs began, with positive installer feedback," said Ivo Steklac, ConnectDER President & CEO. "Heading into the fourth quarter, IslandDER is now a core operational tool among many of the state's top battery storage installers—with every minute saved on the job benefitting installers, homeowners, and utilities alike. IslandDER solves California's most notorious installation hurdles, like the tight confines of meter-main combination sockets and the prohibitive cost of reconfiguring panels.

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