CHILE CALIFORNIA COUNCIL Clean Energy Conference Ken Zagzebski

Addressing potential load shedding situations in Chile IMPACT Replaced oil and standby generation Savings of $37M annually Instant response time Avoided load shedding 12 MW Energy Storage Array Los Andes, Atacama, Chile

Faster responding frequency regulation resource 32 MW Energy Storage Array Laurel Mountain, West Virginia IMPACT Wind with added revenue from frequency regulation Environmental annual saving: 62,000t of CO2 329t of SO2 97t of NOx $20M market savings annually utilizing our PJM battery storage fleet

Mobile and geographically flexible IMPACT Mobility: The batteries in this picture are now in their third location Climate: Operating or under construction in deserts, mountains and tropical 20 MW Energy Storage Array* Dayton, Ohio *12MW relocated to Puerto Rico to support recovery efforts post Hurricane Maria.

Embedding storage in the distribution network for reliability 2 MW Advancion® Array Buckeye, Arizona Embedding storage in the distribution network for reliability IMPACT Support rooftop solar growth Manage local feeder reliability Alternative to substation upgrades

Frequency control to meet new transmission regulations 20 MW Advancion® Array Indianapolis, Indiana Frequency control to meet new transmission regulations IMPACT Support rooftop solar growth Manage local feeder reliability Alternative to substation upgrades

Rapidly deployable – contracted to COD in 8 months 37.5 MW Advancion® Array Escondido, San Diego, California El Cajon, San Diego, California Rapidly deployable – contracted to COD in 8 months IMPACT World’s largest battery providing peaking power and capacity (37.5MW x 4 hours = 150MWh) Rapid deployment Competitive & cost effective Meets flexibility (duck curve)

World’s largest contracted energy storage project for local capacity (100MW x 4hours = 400MWh) IMPACT Meets local capacity needs Competitive bid vs thermal peaker, cost effective Meets flexibility (duck curve) No water usage required 100 MW Alamitos Energy Center Long Beach, California

Storage + solar to solve peak energy demand in Hawaii 28MW Solar + 100MWh Storage Kauai, Hawaii Storage + solar to solve peak energy demand in Hawaii IMPACT Provides 11% of system energy Allows greater solar / renewable penetration Replaces oil based generation

Solar + storage to meet interconnection capacity challenges in Massachusetts IMPACT Massachusetts has a 1.6GW renewable target Effectively expands grid capacity for renewables Meets diverse set of customer needs (C&I, Utility and Community solar)