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Life of the Land's
Wayfinding:
Navigating Hawai ' is Energy Future
Henry Curtis
(June 2012)
Life of the Land's Wayfinding: Navigating Hawai'i's Energy Future p. 1 O• Z5-
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CHAPTER 9. HAWAIs I ISLAND
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Island of Hawai' i208 .
208 http://1.bp.blogspot.com/-
SbwVBVPBP7M/Taob2_iuWSI/AAAAAAAAADk/tNyDMdL7SRA/s1600/Hawaii_map_°/02528The_Big_Islan
dWo 2529.j pg
Life of the Land's Wayfinding:Navigating Hawaisi's Energy Future p. 78
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Hawai`i Island
Hawai i Island ("The Big Island") is a volcanic island at the eastern-most and
southern-most point in the chain of Hawaiian islands. The island is ninety-three
miles across and has a land area of 4,028 square miles, comprising 62% of the
Hawaiian Islands' total land area, and is the largest island in the United States. In
2010, the Big Island had a population of 185,000.
Measured from its sea floor base to its highest peak, Mauna Kea, it is the world's
tallest mountain, taller than Mount Everest. The island has five shield volcanoes:
Kohala (extinct), Mauna Kea (dormant), Hualalai (active but not currently
erupting), Mauna Loa (active) and Kilauea (erupting continuously since 1983).209
The island of Hawai`i has a wide variety of abundant renewable
resources including solar, wind, and geothermal The first choice should
be installing solar water heaters. Geothermal can serve as the
continuous baseload renewable energy resource.
Existing and Potential Energy Sources210
Source 2005 (M kWh/yr.) Theoretical Technical
Potential Potential
Petroleum 950 _
Geothermal 221 11,618 _ 7,124 _
Hydropower 40
Wind 7 2,031,000 41,000
Solar PV 1 9,239,000 1,359
26,035 719
Total 1219 11,308,000 50,288
Baseload Energy - Geothermal
Hamakua Energy Partners (HEP) is a naphtha-fueled 60 MW combined cycle power
plant located in Honoka'a. HEP, the existing geothermal facility in Puna, and new
geothermal facilities could provide all of the baseload power needed on the island.
2°9 htto://en.wikioedia.org/wiki/Hawaii (island)
210 Ibid. Hawaii County Electricity Production by Fuel Type, 2005 (Table 2.1, p. 30); Renewable
Resource Theoretical and Technical Potential (Table 3.1, p. 48); Theoretical potential: every scrap of
land on the island would be used solely to produce energy (leaving no room for homes or businesses).
Technical potential includes restrictions based on land use and other feasibility issues, but excludes
cost considerations.
Life of the Land's Wayfinding:Navigating Hawai'i's Energy Future p. 79
Geothermal Zones211
Area I Description/Location Resource
(For this report, we have considered the
10th percentile MW value to be a
minimum; there is a 90% probability
that geothermal energy reserves will
exceed this level for the area being
evaluated.)
Hualalai Approx. 5-mile section of The calculated 10th percentile value of
the northwestern rift zone reserves is 7 MW, and the mean value
of the volcano, at an is 25 MW.
average elevation of about
5,200 feet.
Kilauea East 32 miles from the summit The calculated reserves within the
Rift Zone of Kilauea Volcano to the entire KERZ have a 10th percentile
(KERZ) sea value of approximately 291 MW and a
mean value of approximately 778 MW.
For the lower KERZ (excluding areas
within the national park and existing or
planned forest reserves), these values
are 181 MW and 438 MW, respectively.
Kilauea Approx. 21 miles long The 10th percentile value of recoverable
Southwest energy reserves is estimated to be 133
Rift Zone MW, with a mean value of 393 MW. The
corresponding values for the lower
portion of the rift (excluding areas
within the national park) are 64 MW
and 193 MW, respectively.
Mauna Loa Approx. 11.5 miles long. The calculated 10th percentile value of
Southwest The average elevation reserves is 35 MW, and the mean value
Rift Zone along this part of the rift is is 125 MW.
about 4,600 feet, resulting
in an estimated range of
average reservoir
thickness from 2,400 feet
to 5,400 feet.
Mauna Loa 8.5-mile portion of the The calculated 10th percentile value of
Northeast upper rift. The average reserves is 22 MW, and the mean value
Rift Zone elevation in this zone is is 75 MW.
about 5,400 feet.
211 Assessment of Energy Reserves and Costs of Geothermal Resources in Hawaii (2005). Submitted
by GeothermEx, Inc. for DBEDT. http://maui-tomorrow.org/pdf/geothermal-assessment-05.pdf; See
also http://kealohaenergy.kealohaestate.com/wp-
content/uploads/2011/11/KERZ_Map_Hawaii_Island.jpg
Life of the Land's Wayfinding: Navigating Hawaii's Energy Future p. 80
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Geothermal power can be developed on the mainland at 5-10 cents/kWhr. Even
allowing for higher costs in Hawai' i, geothermal power on the Big Island can be
developed at below 15 cents/kWhr. New plants with a combined capacity of 50-75
MW should be built in Hualalai.
All other fossil fuel power plants should be decommissioned.
Geothermal Imoacts,
Resistance to developing geothermal facilities is largely the result of two things:
arrogance and the lack of safeguards. In the past, some proponents sought to
aggressively campaign for geothermal with little concern for the local population.
The initial facilities were open-cycle systems which emitted toxic pollutants into the
local community. In the late 1980's opposition to geothermal development became
the largest and most protracted energy generation struggle in Hawaii's history.
Geothermal research started on the Big Island in 1961, and from 1981-89 a 3 MW
pilot project was built and tested. In 1990 this facility was replaced with the 25-30
MW Puna Geothermal Venture (PGV) facility. In 2004 the PGV facility was acquired
by Ormat Technologies, Inc.
The State considered building a 500 MW generator and constructing a Deep Water
Cable Project (1982-90), to bring power from the Big Island to 0' ahu.
Life of the Land's Wayfinding:Navigating Hawai'i's Energy Future p. 81
•
In 1991 PGV had a 31-hour well blowout. According to a U.S. Environmental
Protection Agency, PGV had nineteen gas releases between 1991 and 1996 and the
plant was a significant source of hydrogen sulfide released into the environment.
The native Hawaiian community formed the Pele Defense Fund (PDF) which led
• community and native Hawaiian opposition to geothermal projects. This group was
founded by followers of traditional Hawaiian religious practices, particularly worship
of Pele, the volcano goddess. There were many protests of close to 1,000 people,
and the PDF filed a series of lawsuits to block development in Wao Kele 0 Puna
(1985-2002). PDF was actively supported by numerous environmental, cultural,
community and business organizations.
According to local blogger Doug Carlson, "In their enthusiasm over geothermal
energy's potential, supporters misunderstood or simply were unaware of native
Hawaiian cultural and religious sensitivities surrounding geothermal energy. Many
Hawaiians came forward to say exploitation of that potential would be an affront to
Pele, goddess of fire and protector of the Big Island's volcanoes [] That
miscalculation included Hawaiian Electric Company's TV spot in the early '80s shot
near the rim of Halemaumau Crater that ended with a giant electric plug being
jammed into a giant receptacle planted on the ground. A leader in the Pele Defense
Fund movement later[said] the spot's symbolic plunging of a dagger into Pele's
breast was the trigger that ramped up opposition to geothermal energy on the
island."212
The death knell for the project, however, was that the state had appropriated some
$17 million over fifteen years without writing an environmental impact statement
(EIS). In January 1991 the U.S. District Court ruled that all federal agencies were
prohibited from assisting with the project until a federal EIS was completed.213
The Hawaii Supreme Court ruled in 1992 that although the PDF could not contest
the transfer of public ceded lands, it could litigate the extent to which Hawaiians
retained rights customarily and traditionally exercised for subsistence, cultural and
religious purposes in Wao Kele 'o Puna. The high court issued a landmark final
decision in 2002 which acknowledged that the State Constitution protected
Hawaiian cultural rights including traditional access, gathering and hunting214. The
Office of Hawaiian Affairs (OHA) subsequently acquired Wao Kele o Puna rainforest
in 2006, and agreed to manage the forest in partnership with the surrounding
communities, ensuring that the land will be permanently preserved from
development.
Geothermal remained on the back burner until the energy price spike of 2008,
when, for a variety of reasons, the desire to pursue geothermal resurfaced. HECO
proposed an inter-island cable between 0'ahu and Maui that would eventually be
212 Big Island Geothermal Venture Marks 15th Year, Doug Carlson, December 11, 2008.
z ttp://hawaiienergyoptions.blogspot,com/2008/12/big-island-geothermal-venture.html
Blue Ocean Preservation Society v. Watkins, 754 F.Supp. 1450 (1991).
214 Pele Defense Fund v. Paty, 73 Haw. 578, 837 P.2d 1247 (1992).
Life of the Land's Wayfindine: Navigating Hawai'i's Energy Future p. 82
connected to Hawai` i Island. Economists asserted that geothermal could spur
economic growth on the Big Island. Renewable energy advocates asserted that
geothermal could supply low climate impact, indigenous, renewable baseload
electricity.
In their haste to support geothermal, business and governmental proponents have
argued for streamlining regulations, relaxing environmental and cultural
safeguards, and have consistently been shown to change their story depending
upon which audience they were addressing.
In 2012 a community backlash was ignited.
In January, 2012 several bills were introduced at the State Legislature which would
exempt geothermal exploration from all environmental and cultural review. These
provisions were opposed by environmental and cultural groups, and OHA. However,
the bills were strongly endorsed by the Administration, and a Department of Land
and Natural Resources representative testified that "Geothermal resources
development in Hawaii is a priority.215 Two geothermal bills passed the Legislature.
SB 3003 SD1 HD2 was signed into law as Act 97.216 SB 2001 SD1 HD2 CD1 is on
the Governor's Desk.217
The State House supported widespread exemptions for geothermal legislation, and
the Big Island's Mayor stated his desire to streamline the county permitting
process.218 The Mayor brought a team of industry and government people to the
Philippines in March 2012 to explore options for expanding geothermal in Puna.219
In April the Governor delivered an attack against the Hawaiian and environmental
communities. The Governor stressed the need for geothermal and an inter-island
cable, and characterized those opposing his position as being "pseudo-
215 Written testimony of DLNR Chair re SB 3003, heard by the Hawai'i House Committee on Finance,
April 3, 2012:
http://www.capitol.hawaii.gov/session2012/Testimony/583003_HD1_TESTIMONY_FIN 04-03-
12_2_.PDF —
216 The bill differentiates between "geothermal resources exploration" and "geothermal resources
development". Designates "geothermal resources exploration" and "geothermal resources
development" as permissible uses in all state land use districts and conservation district zones.
Repeals geothermal resource subzone provisions under state land use law. (SB3003 HD2)
http://www.capitol.hawaii.gov/session2012/Bills/SB3003_HD2_.HTM
217 It would amends the Hawaii State Planning Act to include promoting the development of indigenous
geothermal energy resources that are located on public trust land as a source of firm power. Requires
consultation and public input from the Native Hawaiian community
and general public when developing projects with public land trust lands. (CD1)
http://www.capitol.hawaii.gov/session2012/Bills/SB2001_CD1_.HTM
218 Geothermal Issue Heats Up Mayor's Community Meeting by Dave Smith, Big Island Now
http://bigislandnow.com/2012/03/13/geothermal-dominates-mayors-community-meeting/
219 Hawaii county delegation exerting to adopt Leyte geothermal technology
http://leytesamardaily,net/2012/03/hawaii-county-delegation-exerting-to-adopt-Leyte-geothermal-
technology/; http://www.sunstar.com.ph/tacloban/local-news/2012/03/30/hawaii-county-adopt-leyte-
geothermal-technology-213973#.T3XXOCzpezA.facebook
Life of the Land's Wayfinding: Navigating Hawai'i's Energy Future p. 83
environmentalists" and "six minute Hawaiians." The Governor also favored limiting
the ability of opponents to challenge his actions in court.22°
In the end the Senate version of the bill was adopted, allowing greater geothermal
exploration but without waivers from environmental laws.
Many think current proponents of fast-tracking geothermal development are
repeating earlier mistakes but expecting different results.
Hydropower
Hydropower plants have provided power for sugar mills and utilities in Hawaii for
many decades, and continue to produce significant amounts of electricity, mostly
using "run-of-river" flows without dams.
• Hilo Wailuku River Hydroelectric Power Co.: 11 MW, run-of-river; began
operation 1993; it is located at the junction of the Wailuku River and the
Kaloheahewa Stream.
• Hilo Waiau Hydropower: 1.15 MW, run-of-river; began operation 1920,
upgraded 1947, penstock refurbished 1998; it is located on the Wailuku
River.
• Hilo Puueo Hydropower: 2.5 MW, run-of-river, began operation 1910,
upgraded 1941 and 2005; it is located on the Wailuku River downstream of
the Waiau project.
• Umauma: 15 MW potential. The Umauma Stream is located on the Hamakua
coast and drains just north of Hakalau.
• Kawainui: 6 MW potential. The Kawainui Stream is located on the Hamakua
coast south of the Umauma project.
Drinking Water Hvdt:g
The "Hawaii County Department of Water Supply is using the power of water
flowing naturally downhill from its Waikoloa Reservoirs to generate electricity,
enough to power its entire Waimea Treatment Plant and sell the excess to the
Hawaii Electric Light Co. [] A hydroelectric generator at the plant, designed by Mike
Maloney of SOAR Technologies Inc., harvests kinetic energy through a Pelton
turbine, intercepting the gravity-fed flow of mauka water. As the turbine spins, the
flowing water releases energy to the shaft of an electric generator, creating power
in the system. It is expected to consistently generate a maximum of about 40
220 A measured look at Gov. Abercrombie: Who have we got here? by Reed Flickinger, West Hawaii
Today
http://www.westha wai itoday.com/sections/opinion/columns/measured-look-gov-a bercrombi e-who-
have-we-got-here.html
Life of the Land's Wayfinding:Navigating Hawaii`s Energy Future p. 84
•
Big Island Technical Profile
HELCO has a peak load of about 200 MW.
Hawai' i island can supply 50-100% of its energy needs with geothermal. Sizable
wind and solar opportunities supported by some hydroelectric could meet all of the
island's energy needs. About 60% of the HELCO mix should be baseload energy and
the rest can be intermittent renewable energy.
While the utility states that it wants renewable energy, it has shown great
resistance in signing power purchase contracts for baseload renewable energy.
Thus expansion of geothermal facilities has not yet occurred.
HELCO Generation Units229 are listed below.
They should all be decommissioned, starting with the oldest ones. The oldest diesel
units produce the most pollution per kWhr.
Firm Generating Units Operating Fuel Net Service Date
Mode Type Minimum
Rating
(MW)
Shipman 3 & 4 Intermediate MSFO 10 1955-58
Hill (Kanoelehua) 5 & 6 Baseload MSFO 25 1965-74
Puna Baseload MSFO 9 _ 1970
Hill (Kanoelehua) 11, Peaking Diesel 12.5 1962-73
15-17, CT-1
Waimea 12-14 Peaking Diesel 7.5 _ 1970-72
Keahole 21-23 Peaking Diesel 7.5 1983-87
Keahole CT-24 & 5 Intermediate Diesel 23 1989, 2004
Puna CT-3 Intermediate Diesel 7.5 1992
DG Peaking Diesel 4 1997
There are two combined cycle units on the island: HELCO's Keahole Dual Trained
Combined Cycle Turbine (CT-4, CT-5 ST-7) and the Hamakua Energy Partners
(HEP) combined cycle power plant.
229 HELCO IRP-3 Report 2007-2026 (May 2007)
http://www.helcohi.com/vcmcontent/HELCO/RenewableEnergy/IRP/HELCO_IRP3_Report_Final.pdf
Life of the Land's Wayfinding: Navigating Hawai'i's Energy Future p. 88