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1989 1997 2013 2004
But the roads do not…
Ideal size
Transportable
Forcing new tower designs
Today’s options:
Short Skinny Expensive
Keystone Prototype
Pipe Industry Solution:
Spiral welding
Automated in-field production
But only cylinders!
Keystone’s
Tapered Spiral welding Enables production of wind turbine towers
Developer
Keystone
Tower Mfg Contractor
OEM
• 50% cost of most expensive
component
• Cost competitive wind
• Easy to integrate
• 2x more
developable land
• Increase project
IRR 1-2% points
• Brings wind to
high value markets
• € 9.3 B global tower industry today
• Rapidly growing segment
• Almost universally outsourced
Keystone Tower Systems
R&D Partners
Eric Smith, CEO • MIT MS EE, MS ME
• Wind design and innovation consultant
• MIT wind turbine engineering instructor
Michael Caron, Tower Design • 14 years R&D management, design and
manufacture of wind towers
• Developed market leading 140m tower
for Vestas
Alex Slocum, Machine Design • MIT PhD ME
• MIT Mechanical Engineering professor
• 30 years experience in machine design
and alternative energy
• Currently in Denver, CO
• 10 full time employees
• 25+ years wind industry experience
• 50+ years machine design experience
• €3.7M in funding (US Gov + Private) Chris Babcock, Operations • 7 years experience in wind technology
development and management
• ARPA-E commercialization scholar
• MIT MS System Design & Management
• Validated design & economics
• Fundamental patent awarded
• Working prototype (partial scale)
producing and testing tower sections
• Begun system integration and construction
planning with top European companies:
2015
Full scale
mill
2012
Proof of
value
2013
Prototype
mill
2016
140m
tower
2017
Mobile
operation
2018..2021
Multiple
operations
TO DATE
€6.2M round (Q4 2014) ~50% already secured
• Full scale spiral mill
• Establish European HQ
• Hire experienced sales and finance
professionals
€9.3M follow-on round (Q1 2016)
• Full mobile operation capable of
140m+ tower, 1/day
• 140m demonstration tower
• Certification
2012
Proof of
value
2013
Prototype
mill
2015
Full scale
mill
2017
Mobile
operation
2018..2021
Multiple
operations
2016
140m
tower
FUNDING NEXT PHASE
