Diverse Resource Portfolio & Low-Carbon Pathway

28 POWER TO GAS Converting wind, solar, or hydro to renewable hydrogen for use in pipeline system ⚫ Partners with renewable electric system to solve the peak capacity gap Renewable hydrogen blended or methanated into the existing pipeline system for immediate use Potential to use existing, flexible and long-duration gas storage facilities 100+ projects in Europe, 7 in North America Wasted power turned into useable, renewable energy Take excess renewable electric energy Add water (electrolysis) to create hydrogen Blend hydrogen (or create RNG by methanating with waste carbon) into pipeline Use now or store for the future NW NaturalⓇ

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