Isaac Moriwake

Managing Attorney Mid-Pacific Office


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Miranda Fox
Public Affairs and Communications Strategist

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Isaac Moriwake is the Managing Attorney in the Mid-Pacific regional office in Honolulu, HI.

He has extensive experience litigating before federal and state courts and agencies on a range of issues, including water rights, Native Hawaiian rights, shoreline protection, endangered species, environmental health and disclosure, and clean energy.

Isaac graduated from Pomona College in International Relations, and from the William S. Richardson School of Law at the University of Hawaiʻi. After law school, he clerked for Justice Paula A. Nakayama of the Supreme Court of the State of Hawaiʻi.

In his free time, Isaac’s usually enjoying family, moonlighting in music on bass, or hoping to get back in the water surfing.

The Latest by Isaac Moriwake

December 13, 2022

Hawai‘i Continues to Light The Way For Rooftop Solar

In November 2022, Hawai‘i took a major step forward on advancing its rooftop solar and clean energy grid.

Fog surrounds Mauna Kea.
December 21, 2018

Hawai‘i High Court Fixes Flawed Footnotes in Mauna Kea Decision, but Problems Persist

The language the court deleted would have plagued the law of environmental and Native Hawaiian rights for years.
The Waime canyon and river in Kaua'i, Hawai'i
May 5, 2017

Waimea Water Deal Is a ‘Win-Win-Win’ for Hawai‘i

For the first time in more than 100 years, the Waimea River will flow from mountain to sea—thanks to successful mediation, not years of litigation.
Water rights heroes John and Rose Marie Duey at home in ‘Īao Valley.
September 9, 2016

Maui Couple Plants a Taro Patch, Grows a Movement for Hawaiian Water Rights

It was like a horrible dream: Native Hawaiians fined for growing food and practicing their culture.
Solar panels on the rooftops of homes in the Salt Lake neighborhood of Oahu, Hawaii.
August 5, 2016

Model For Monopoly Power Companies Needs to Change

The Public Utilities Commission rejected the NextEra-Hawaiian Electric takeover deal, but the real work to build a clean energy system by and for the people of Hawaii has just begun.
Earthjustice Managing Attorney Isaac Moriwake surveys rooftop solar
July 28, 2016

Hawai‘i Rejects a Billion-Dollar Power Play

Hawai‘i’s Public Utilities Commission recently rejected the $4.3 billion sale of the state’s main utility company to out-of-state profiteers.
"Maui Sugar Factory" by Justin Ennis/CC BY 2.0
May 2, 2016

Without a Sustainable Ag Plan, Sugar Company Must Leave Water in the Streams

Hawaiʻi’s last sugarcane plantation is closing, but plantation politics are still playing a huge role in allocating Hawaiʻi’s water resources.
Solar panels on homes at Salt Lake in Oahu, Hawaiʻi.
November 19, 2014

Coming Clean in Hawai‘i: A Launchpad for Clean Energy Liftoff

Hawai‘i, along with 26 other states, already has clean energy goals that outpace the Clean Power Plan’s projected targets.
Local citizens jumped into the Wailuku River (`Īao Stream) to celebrate the return of stream flows.
October 13, 2014

Turning the Tide of History: Maui Waters Flow Again After 150 Years

Flow has returned to two streams on Maui that have been diverted for more than 150 years.
Powerlines and rooftop solar panels in Oahu, Hawaii.
May 23, 2014

Hawai‘i Regulators Read Riot Act To Utility

The Hawai‘i Public Utilities Commission tells Hawai‘i’s main electric utility (HECO) to start moving to a clean energy model of the future.
Taro fields on Kauaʻi.
April 2, 2014

Another Victory For Public Rights In Water Resources

The Hawaiʻi Supreme Court recently issued another landmark decision on water resources and the public trust. The case, Kauai Springs v. Kauai Planning Commission, involved a company bottling and selling spring water on the island of Kauaʻi.
Upper diversion on Waihe`e River with the entire flow of the river being diverted.
March 3, 2014

Restoring Instream Flow to Maui's "Four Great Waters"

Under modern Hawaiʻi law, the rivers and streams in question (collectively known as Nā Wai ʻEhā—“The Four Great Waters” of Waihe‘e, ʻĪao (traditionally Wailuku), Waiehu, and Waikapū) are a public trust; but since the sugar plantation era, two companies drained them dry for private profit.