Investor Presentaiton

An Under-Utilized Tool: Locational Outreach for EE/DR Cost-effective EE/DR We already know the EE/DR program is cost- effective, so additional outreach will - at minimum - result in net benefits May avoid NWA or Wires investment Non-wires solutions only considered once feeder is forecasted to reach >100% summer normal rating • Locational outreach can slow a feeder's loading May avoid investment expenses • Option value Slower load growth on heavily-loaded feeders may buy time to improve load forecast certainty May result in cost savings or process efficiency field a a ett Pier RI System Data Portal - Heat Map: https://ngrid.apps.nationalgrid.com/NGSysData Portal/RI/index.html West T Bristol Fall F

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