Financing Sustainable Aviation Fuels 2025
Page 15 of 44 · WEF_Financing_Sustainable_Aviation_Fuels_2025.pdf
Project lifecycle of a greenfield SAF production facility FIGURE 6
200+ SAF refineries
HEFA: 6-12 months
FOAK: 12-24 months12-18 months 12-18 months 24-36 monthsIdentification and
preliminary assessment
of potentially viable project
opportunity that aligns
with strategic objectives
and market demand.
$0.5-2m for feasibility
studies, initial market
research and concept
development.$15-30m for legal fees,
financial advisory and
support to negotiate and
finalize financing and
off-take agreements.Cost depends on pathway selected, ranging
from $0.7bn for a 500kt HEFA plant up to $6+bn
for a 500kt PtL plant.Typically, $10-15m for
engineering, licensing
and feasibility studies.
Costs can exceed
$100m for FOAK
advanced pathways.A comprehensive
analysis of the project's
technical, financial,
environmental and social
aspects is conducted. Lenders and investors
commit to providing
funding for the project,
based on agreed-upon
terms and conditions.
This phase concludes
with the final investment
decision by operator.
Could run slightly in parallelContractors are engaged,
materials and equipment
are procured, and
construction activities
are undertaken according
to the project schedule
and specifications.Revenue generation
begins. Debt payments
are made to lenders and
investor returns are
distributed to investors,
based on cashflows and
financial performance.Conceptualization
and pre-feasibilityFeasibility
and front-end
engineering and
design (FEED)Project financing
and final
investment
decision (FID)Construction and
implementationCommissioning
and operation1 2 3 4 5
~60 refineries ~90 refineries
HEFA: 6-12 months
FOAK: 12-24 months
Note: FOAK = first-of-a-kind. Fully mature and operational plants are also included in this figure.
Sources: Kearney analysis, expert interviews, S&P Global.
The overall timeline can vary significantly, influenced
by several key factors, some of which include factors
affecting CapEx requirements as discussed above:
–Technology readiness level: The maturity
of the chosen production pathway plays a
significant role in determining the project
development timeline. The HEFA pathway has
been successfully proven at a commercial scale
and there are early indications of viability for
Alcohol-to-Jet facilities. Nevertheless, technical
challenges in developing HEFA can also be
faced, affecting project timelines and ultimately
FID. Facilities using Gasification Fischer-
Tropsch and Power-to-Liquid are likely to take
substantially longer to be built.
–Location of the facility: The choice of location
is crucial, as it directly impacts access to
essential resources such as cheap renewable
energy or green hydrogen, abundant feedstocks
and fuel distribution infrastructure. Feedstocks
often lie in regions where the infrastructure,
regulatory environment and supply chains may
be less mature, increasing the likelihood of
disruptions and project delays.
–Experience of the operator: Operators with
experience in constructing and managing large-scale chemical plants can often expedite
the project lifecycle, particularly in the initial
phases. An operator working on their third or
fourth plant may be able to streamline certain
processes, reducing the overall timeline.
However, finding EPC operators with the
appropriate expertise and risk management is
challenging, especially as multiple plants look
to scale-up simultaneously.
–External capital requirements: Securing
adequate investment is a complex and time-
consuming process. In most cases, multiple
sources of financing will be necessary. This
will require multiple investors and financing/
developing institutions. If a developer can invest
substantial equity into the project, this can
simplify and accelerate the fundraising process,
potentially shortening the project financing phase.
If the proposed technology is not ASTM-approved,
this will significantly add to the complexity of project
financing. Achieving technical certification entails a
four-step approach from fuel specification review to
full aircraft and engine testing, which can take three
to six years and cost up to $6 million.7 To invest in
new technology, investors will want to be reassured
that the production pathway has the potential to be
used safely in aircraft. To invest in
new technology,
investors will want
to be reassured
that the production
pathway has the
potential to be
used safely
in aircraft.
Financing Sustainable Aviation Fuels
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