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14 | ANNUAL SUSTAINABILITY REPORT | 100% RENEWABLE ENERGY FUTURE

100% RENEWABLE ENERGY FUTURE

Mayor Caldwell and the City Council have endorsed a goal of
100% renewable energy for our island by 2045. The City is also
part of the Aloha+ Challenge, a joint pledge from the State and
all four counties that set a mid-term goal of 2030 to have 70%
of the island’s energy come from clean and renewable energy
sources. In 2018, the Administration also pledged to join the
Mayors for Solar Energy Initiative and the Mayors for 100% Clean
Energy Initiative, both of which reinforce our clear commitment
to transition to 100% renewable energy within a generation.

Our 2016 GHG Inventory shows that fossil fuel burned to power
O‘ahu’s electric grid (used in the residential, commercial,
industrial and energy-producing industries) accounted for
37% of our total island-wide emissions. In a strong positive
trend, O‘ahu’s renewable energy generation has increased
from 6.4% in 2011 to 20.8% in 2016. For City operations in 2018,
only 0.72% of municipal electricity consumption was sourced
from our own renewable energy production, demonstrating
that the City has a long way to go toward meeting our
own internal goal of shifting to 100% renewable energy.

In addition to transitioning to renewable energy sources,
O‘ahu can further reduce emissions by tackling energy
efficiency in our built environment. While we can currently
track overall energy consumption, the City currently lacks
access to data to track and measure energy efficiency. By
tracking energy efficiency metrics across our grid, we will
be better able to take responsibility for and reduce the
amount of energy we consume—saving significant tax dollars.