Feb 20, 2018

Issued solar permits in Hawaii declined last year

Sophie Chapman
2 min
Hawaii is issuing less solar permits since the drop of its net energy metering program
In 2017, the number of issued solar permits in Hawaii’s largest solar market – Oahu – dropped by 34% from the previous year, only reach...

In 2017, the number of issued solar permits in Hawaii’s largest solar market – Oahu – dropped by 34% from the previous year, only reaching 2,993.

4,591 PV system permits were issued in 2016, whilst in 2015, the number hit 7,493 – 60% higher than last year’s figure.

According to data released by Marco Mangelsdorf, the President of ProVision Solar, 2017’s permits are 82% lower than Oahu’s record, set in 2012, of 16,715 issued permits.

Other Hawaiian islands also saw solar drop last year – Big Island’s number fell from 1,256 permits in 2016 to just 906 last year, a 28% decrease.


Maui’s figures fell more than half, dropping 59% from 2016’s 1,657 permits issued to 676 in 2017.

“Hawaii rooftop PV peaked in 2012-2013 and has been losing solar steam ever since,” Mangelsdorf stated.

“With the elimination of NEM by our PUC in October 2015, one of the main incentives to go PV has been diminished as lesser attractive interconnect programs (Customer Grid Supply and Customer Self Supply) were introduced.”

The disinterest in solar permits in the state follows the conclusion of Hawaii’s net energy metering (NEM) program for Hawaiian Electric Co. utilities.

Hawaii Public Utilities Commission ended the program in order to transition into a new renewabl market.

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Jun 7, 2021

Trafigura and Yara International explore clean ammonia usage

Dominic Ellis
2 min
Commodity trading company Trafigura and Yara International sign MoU to explore developing ammonia as a clean fuel in shipping

Independent commodity trading company Trafigura and Yara International have signed an MoU to explore developing ammonia as a clean fuel in shipping and ammonia fuel infrastructure.

Reducing shipping emissions is a vital component of the fight against global climate change, yet Greenhouse Gas emissions from the global maritime sector are increasing - and at odds with the IMO's strategy to cut absolute emissions by at least 50% by 2050. 

How more than 70,000 ships can decrease their reliance on carbon-based sources is one of transport's most pressing decarbonisation challenges.

Yara and Trafigura intend to collaborate on initiatives that will establish themselves in the clean ammonia value chain. Under the MoU announced today, Trafigura and Yara intend to work together in the following areas:

  • The supply of clean ammonia by Yara to Trafigura Group companies
  • Exploration of joint R&D initiatives for clean ammonia application as a marine fuel
  • Development of new clean ammonia assets including marine fuel infrastructure and market opportunities

Magnus Krogh Ankarstrand, President of Yara Clean Ammonia, said the agreement is a good example of cross-industry collaboration to develop and promote zero-emission fuel in the form of clean ammonia for the shipping industry. "Building clean ammonia value chains is critical to facilitate the transition to zero emission fuels by enabling the hydrogen economy – not least within trade and distribution where both Yara and Trafigura have leading capabilities. Demand and supply of clean ammonia need to be developed in tandem," he said.  

There is a growing consensus that hydrogen-based fuels will ultimately be the shipping fuels of the future, but clear and comprehensive regulation is essential, according to Jose Maria Larocca, Executive Director and Co-Head of Oil Trading for Trafigura.

Ammonia has a number of properties that require "further investigation," according to Wartsila. "It ignites and burns poorly compared to other fuels and is toxic and corrosive, making safe handling and storage important. Burning ammonia could also lead to higher NOx emissions unless controlled either by aftertreatment or by optimising the combustion process," it notes.

Trafigura has co-sponsored the R&D of MAN Energy Solutions’ ammonia-fuelled engine for maritime vessels, has performed in-depth studies of transport fuels with reduced greenhouse gas emissions, and has published a white paper on the need for a global carbon levy for shipping fuels to be introduced by International Maritime Organization.

Oslo-based Yara produces roughly 8.5 million tonnes of ammonia annually and employs a fleet of 11 ammonia carriers, including 5 fully owned ships, and owns 18 marine ammonia terminals with 580 kt of storage capacity – enabling it to produce and deliver ammonia across the globe.

It recently established a new clean ammonia unit to capture growth opportunities in emission-free fuel for shipping and power, carbon-free fertilizer and ammonia for industrial applications.

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