HNEI Case Study

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Case Study

415.402.0888 | MKThink.com

HNEI Kauai & O’ahu, HI Test Platform Performance Analysis

Aloha Energy Neutrality

Investigating data-driven solutions for commercially viable energy conservation

SIGNO uddenberg Technical Projects Lead Signo led the project requirements development and guided the project through design of experimentation, procurement and installation of equipment, performance measurement & monitoring, and analytic findings and performance interpretation. Results from the study were submitted and accepted for presentation to ACEEE, the preeminent international conference on energy-

HAWAII NATURAL ENERGY INSTITUTE Established in 1974, HNEI coordinates and undertakes the development of natural energy sources for Hawaii. The institute conducts energy research focused on technically sound, cost- effective solutions and practical strategies for commercially viable renewable energy implementable in Hawaii and the world at large.

CHALLENGE | Design a

Hypothesis | A data-driven,

research-based framework for

analytic framework that relates

cost-effective solutions that

actual performance data, predictive

minimize energy consumption in

energy models, and IEQ guidelines,

buildings while maintaining high

will inform an understanding of

standards of user comfort

the factors that affect building performance and the technology

Context | Hawai’i has a

improvements to optimize energy

dramatic combination of high

use

energy costs, vulnerable fossil fuel supply, and a state mandate

APPROACH | MKThink

to develop alternative, local

conducted a 2-year study to

energy sources. HNEI and its

compare the simultaneous

funding sources have identified

performance of 6 educational

Hawai’i as an ideal laboratory

classrooms. The classrooms

to study climate and cultural

represent 3 building typologies

factors and experiment with

common to Hawai’i’s 255 public

energy solutions that can be

schools. Studies were conducted at

applied locally and to the greater

3 sites in different microclimates on

Pacific region.

the islands of Kauai and O’ahu.

Hawai’i depends on fossil fuels

Architectural variables were

for 90% of its energy needs and

controlled for with a test set that

imports 100% of its crude oil.

included a) common building

Its electricity costs are 25 - 35

designs at different sites, b)

cents/kWh which is two times

neighboring buildings at the same

above the national average.

sites, and c) different building types

In 2015, Hawai’i set a target

in the same microclimates.

Renewable Portfolio Standard of 100% by 2045.

Each test building was equipped with 16 sensors to measure 11 KPIs correlated to 5 microclimate factors.

the IDEAS company for the built environment


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