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Stay And Play: A Golf Jaunt To Hawaii’s Mauna Kea Resort

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Stay And Play: A Golf Jaunt To Hawaii’s Mauna Kea Resort


About 10 years ago, I personally discovered that Hawaii’s Kohala Coast on the Big Island has to be one of America’s most-underrated golf destinations. The island seems to be the lesser-visited sibling to Maui, Oahu and Kauai for vacationers, yet there are so many really good golf courses here within a 30-minute drive from one another that I couldn’t wait to return. And last week, I finally did. Yes, the Big Island is a romantic getaway, but I can also picture it as an excellent golf buddy destination particularly for West Coasters who can jaunt over on a non-stop flight in five hours.

As part of a longer trip this time, I was able to experience two nights at the Mauna Kea Resort – located on the northwest part of the island – and play a round at its 6,895-yard, Arnold Palmer/Ed Seay-designed Hapuna Golf Course. It’s a 35-minute drive from the Kona Airport up the coast along the black lava rock-lined main strip called Highway 19.

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We checked into the Mauna Kea Residences at the resort, and were incredibly happy to find the unit located down on the lowest floor, facing the Pacific (every room at the resort has a front row ocean view), and armed with every amenity I could hope for. The Residences are part of the hotel, so guests still have access to all of the hotel’s facilities. The family was with me, so we had a spacious three-bedroom unit. Our private patio even had its own hot tub, along with a full kitchen, upscale appliances, large-screen TV’s, laundry closet, bidets, and even our own private gate to the beach. There was also air conditioning, but we often found ourselves opening up the full-wall doors to get a great, cool breeze. Everyone was happy. Yes we took advantage of the beach and two of the restaurants in the hotel – Naupuka Beach Grill and Ikena Landing. We also took the shuttle to the sister Mauna Kea Hotel one night for dinner there. Part of that hotel is currently under renovation, and unfortunately so is its world-renowned Mauna Kea Golf Course — a Robert Trent Jones, Sr. design. But one of the hotel employees tells me that when they reopen the course in February, it will have eliminated several of the 99 bunkers. I understand that they’re making the layout more-resort-friendly and also completely replacing the turf. Can’t wait to come back and play it someday. Loved it when I played there on my previous trip.

Regardless, I was able to play the Hapuna Golf Course this time with my daughter. The course actually borders Mauna Kea Golf Course. But while Mauna Kea is situated close to the water, Hapuna plays up into the wild brush and hillside. Its entire front nine climbs up the hill – expect some amazingly refreshing breezes – and the back nine brings you back down. Yet every hole offers an ocean view and a photo opportunity. It’s very serene, with plenty of wildlife to keep you mesmerized – my daughter loved all of the goats we encountered during our round. The second cut of rough is essentially made up of tall straw that’s difficult to get out of. I blasted a shot from it once during the round that essentially went all of about 30 yards. Thankfully, the fairways are generously sized, making it easy to keep your ball in play. It’s a player-friendly, hilly course with few flat lies. But many holes are sculpted to bring your shots back toward the center. The greens are mostly flat and in amazing condition. And while many of the fairways were blemish-free, several candidly needed some TLC. There are many really good holes here, regardless. We seemingly had the course to ourselves for 10 holes – the only other human we saw was the very friendly beverage cart woman – before running into a slow group. We played through before landing behind another twosome for the last three holes. So I just played an extra ball for those holes. Despite all that, we still finished our round in less than 2.5 hours – giving us extra beach time for the afternoon. I highly recommend playing here to anyone visiting the island.

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Nightlife on the Big Island has a unique meaning. There aren’t a lot of bars, although we hung out at the open-air one on the terrace one night listening to a great guitar player/vocalist. The sunset watching is fantastic, and I’m told you can also go stargazing up at 11,000 feet on Mauna Kea – a mountain that does get snow (yes, even in Hawaii) and boasts one of the world’s largest telescopes. Also popular is the manta ray night snorkeling, in which the water is lit up for what I hear is a surreal experience. Our only side excursion besides desperately trying to find a local pizza place, was touring a local Kona coffee facility up in the mountains, which was really enlightening.

If you’re planning to visit the island — and especially if you want to play golf on your trip — Mauna Kea Resort is a nice option.



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Hawaii Foodbank Kauai gets help – The Garden Island

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Hawaii Foodbank Kauai gets help – The Garden Island






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New Report Illuminates Geothermal Cooling Potential in Hawaii – CleanTechnica

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New Report Illuminates Geothermal Cooling Potential in Hawaii – CleanTechnica



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University of Hawaii at Manoa and Lawrence Berkeley National Laboratory Teamed up To Analyze Feasibility of Geothermal Cooling Technologies

By Justin Daugherty, NLR

In areas with geologically recent volcanic activity and ample underground water flow, like the Hawaiian Islands, geothermal energy technologies present options to augment the electric grid.

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Oahu’s steep terrain and highly permeable volcanic rock enable large groundwater flow, a must for successful ground heat exchangers in Hawaii, where load is cooling dominated. Shown here is Kaena Point, the western tip of Oahu’s North Shore. Photo from Christine Doughty, Lawrence Berkeley National Laboratory.

To investigate building cooling and energy efficiency options, the University of Hawaii at Manoa’s Hawaii Groundwater and Geothermal Resources Center collaborated with scientists at Lawrence Berkeley National Laboratory through the U.S. Department of Energy’s Energy Technology Innovation Partnership Project (ETIPP).

Managed by the National Laboratory of the Rockies (NLR), formerly known as NREL, ETIPP supports remote, coastal, and island communities with technical assistance and energy planning to help them build more reliable and affordable energy systems. Communities apply for up to 24 months of technical assistance, and those communities drive the scopes and focuses of their energy projects.

University of Hawaii at Manoa joined the program in 2022 with a desire to explore geothermal options, and a new report from this project details the feasibility of developing shallow ground heat exchangers (GHEs) across Oahu and at a specific site on the island for cooling.

Geothermal heat pumps take advantage of relatively constant temperatures just under the earth’s surface, using GHEs to exchange heat with the earth. Through a system of looping pipes in the shallow ground, GHEs can move heat from a warm place to a cooler place, like how a refrigerator functions.

“High-temperature geothermal, which requires deep drilling, is required to produce electricity, but low-temperature geothermal such as GHEs, which can be accessed much nearer the ground surface, can be used for building heating and cooling, greatly lessening loads on the electric grid,” said Lawrence Berkeley National Laboratory’s Christine Doughty, staff scientist.

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“I believe both types of geothermal have potential to be an asset to Hawaii,” added Nicole Lautze, founder and director of the Hawaii Groundwater and Geothermal Resources Center.

Determining Geothermal Cooling Favorability in Hawaii

In open-loop geothermal systems, wells are drilled to extract and inject groundwater, allowing the movement of thermal heat to and from the earth. These GHEs use cooler ground water from outside the system for the cooling process and expel the warmer water afterward.

In contrast, closed-loop GHE systems continually circulate a heat-transfer solution through pipes, which transfers heat to and from the ground via thermal conduction. Groundwater needs to have temperatures that are low enough to effectively cool buildings, and groundwater flow in a GHE system works to remove built-up heat.

Hawaii has far greater needs for cooling than for heating—meaning that GHEs would add heat to the subsurface and cause the systems to not function as desired. That is where groundwater comes in: It replaces heated water from the boreholes and maintains the functionality of the GHE system. Sufficient groundwater flow, then, is essential to the considerations for GHE deployment. GHE systems may not be deployed in areas with restricted watersheds or where there is subsurface production of freshwater. Therefore, closed-loop systems may be a more reasonable option in some locations.

Left: A geographic information system map of Oahu depicts different soil permeability zones (“Ksat_Class” indicates the potential speed of groundwater flow). Right: Locations of U.S. Department of Defense lands and public and private schools—potential customers for GHE—are shown.

Numerous factors help determine whether a community or business may consider GHEs. Areas with older homes may lack efficient energy systems, and some organizations, like schools or government buildings, may prioritize more adaptive heating and cooling. Cultural considerations are also very important, and a new NLR report incorporates Hawaii communities’ perspectives on geothermal.

Economic factors are another big consideration, with the expense of deploying a system versus energy savings playing into overall cost. Modeling revealed that electricity and energy transfer demand decreased, and such reductions contributed to cost savings. Longer loan terms may help ease deployment expenses for geothermal systems.

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ETIPP researchers factored the above parameters into their analysis to develop favorability maps for closed-loop and open-loop GHE systems. They used specific geographic information system layers with 11 attributes—including elevation, geology, and soil permeability—to develop an overall favorability map for GHEs on Oahu.

For the site-specific feasibility analysis at the University of Hawaii at Manoa’s Stan Sheriff Center, researchers used a hydrogeologic model to analyze groundwater flow of a closed-loop system at the site. Restrictions on water quality—mandating that groundwater must be left in its natural state—diminished the available area for GHE system deployment across the island, while many coastal areas showed high favorability. Overlays showing potential customers and restricted areas sharpened the maps.

This closed-loop favorability map shows restricted areas where GHE development is not possible. Pixels colored dark green—the top of the color spectrum table—indicate land that is more favorable to geothermal energy.

Geothermal Cooling Potential at University of Hawaii at Manoa

From the island-wide analysis, ETIPP analysis homed in and found that the Stan Sheriff Center at the University of Hawaii at Manoa, a building with a high cooling load in an area with lots of open space surrounding it, could make a good candidate for site-specific analysis of GHE technology.

Researchers used a hydrogeologic model to analyze a potential closed-loop system at the site. They modeled groundwater and heat flow, analyzed subsurface heat flow, and completed a techno-economic analysis.

Analysis without groundwater flow showed that the GHE system may operate normally in the first year, but heat buildup would increase water temperatures significantly after that, and without groundwater to sweep heat away, there would be increased chiller demand in years two through six. Modeling that incorporated groundwater flow—with similar conditions as the Stan Sheriff Center—showed that heat would be effectively swept away from the borefield, which would enable successful GHE operation for at least 10 years. Thus, including groundwater in analysis and planning—coupled with low interest loan rates and high capital investment—may provide economic benefits to the university.

The Stan Sheriff Center (white dome in the center of the image) is located at the base of the Koolau Range. Image from Google Earth.

Cold seawater may be an option for cooling-source systems, the analysis concluded, and such a system already operates at the Natural Energy Laboratory of Hawaii. The report authors encouraged further study.

As in Hawaii, ETIPP continues to help communities explore geothermal and other technologies to help meet their energy needs through in-depth, collaborative investigation of potential solutions.

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“This ETIPP project established a strong collaboration with LBNL and the foundation for what I hope is additional grant funding to explore the potential of GHEs on the UHM campus and across the state to cool buildings and reduce load on Hawaii’s grid,” Lautze said.

The U.S. Department of Energy’s Energy Technology Innovation Partnership Project (ETIPP) is a community-led technical support program for coastal, remote, and island communities to access unique solutions and increase energy reliability. By uniting federal agencies, national laboratories, regional organizations, and community stakeholders, ETIPP provides tailored technical support to help communities achieve affordable, reliable solutions to their energy system challenges. This collaborative model leverages the combined expertise and resources of its partners to deliver comprehensive, practical solutions that align with local needs. Learn more about ETIPP.


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Comet Lemmon and Milky Way spotted over Hawaii | Space photo of the day for Dec. 12, 2025

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Comet Lemmon and Milky Way spotted over Hawaii | Space photo of the day for Dec. 12, 2025


Comet C/2025 A6, better known as Comet Lemmon, was one of the latest icy visitors to swing through our neighborhood of the solar system, leaving astronomers and casual skywatchers equally delighted. For observers in Hawaii, the glow of the Milky Way didn’t dim the streak of light made by this comet passing through.

What is it?

Where is it?

This image was taken atop the volcanic peak Mauna Kea, on the Big Island of Hawaii.

Comet Lemmon could be seen with the naked eye as it streaked across the sky. (Image credit: International Gemini Observatory/NOIRLab/NSF/AURAImage processing: M. Rodriguez (International Gemini Observatory/NSF NOIRLab) & M. Zamani (NSF NOIRLab))

Why is it amazing?



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