Delivering technology that will increase reliability and lower costs is fundamental. So we asked 3 technology experts at Broadwind Energy, Romax Technology and Moventas to provide exclusive insight on Delivering Reliable and Affordable Wind O&M Technology
They discuss the effects of the changing O&M market, how they are innovating to drive down costs and which new technologies will change the way we monitor our assets, optimize performance and increase reliability.
2. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
and save $100 on your pass
with this paper - just use code
‘O&MTECH’ when you register
online!
This is a pivotal time for wind energy in the USA. With a record number
of turbines coming off original equipment manufacturer (OEM) war-
ranty, it is the time for wind farm operations and maintenance (O&M) to
come to the fore and shine.
As in a number of other maturing markets, in the US O&M has until
recently taken second billing to the pressing issue of building new proj-
ects. But with support mechanisms such as the Production Tax Credit
now under review, O&M is moving centre-stage.
Financially, while the major concern traditionally has been to reduce
capital expenditure (cap-ex), now wind farm owners and operators are
being forced to look carefully at the operating expense (op-ex) of exist-
ing assets.
This situation means that those tasked with maintenance, repair, and
operation (MRO) now find themselves in an increasingly competitive
environment.
Whereas previously O&M may have meant little more than installing
and monitoring a supervisory control and data acquisition (SCADA)
system, now it covers a massive range of tasks and processes aimed at
keeping the blades turning.
Innovation is the key to reducing the levelized cost of energy (LCOE),
but wind power O&M providers have little room for blue-sky thinking.
Instead, the market demands rapid cost reduction based on field expe-
rience and proven operational strategies.
What can O&M providers do? Quite a lot, it turns out. In collecting the
views of three leading players from the industry, this report aims to
showcase the mix of innovative thinking and real-life best practice that
is emerging among top O&M companies.
Our aim is to demonstrate what the industry is capable of today while
also providing some insight into challenges that remain to be resolved…
along with a glimpse of the strategies that top players are putting in
place to deal with them.
3. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
and save $100 on your pass
with this paper - just use code
‘O&MTECH’ when you register
online!
The contributors to this report are three experts with a range of
perspectives on wind O&M technology development.
Dr John Coultate is head of Monitoring and O&M
Consultancy at Romax Technology in the UK. His
experiences include condition monitoring, design
analysis, and failure investigation for wind turbine
drive trains ranging from 750kW to 6MW. John has
worked at Romax for over eight years and has a PhD
in Mechanical Engineering from the University of Not-
tingham, UK.
Mike Grunow is vice president of Sales and Marketing
at Moventas in America. A high-performing, com-
mercial executive accomplished in leading teams who
achieve consistent top-line growth and operational
improvements in domestic and international markets,
Mike was formerly director of sales at Trina Solar. Oth-
er former roles include vice president of marketing at
Solyndra and product line manager at GE Energy.
Jolynn Kennedy is a senior product marketing spe-
cialist at Broadwind Energy, one of the first producers
of 100-metre wind towers in the US and currently one
of the largest producers of towers in North America.
Offering a legacy of leadership in precision gearing
systems, built over almost 90 years, Broadwind’s deep
experience and ingenuity in tight-tolerance gearing is
unmatched.
4. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
and save $100 on your pass
with this paper - just use code
‘O&MTECH’ when you register
online!
Over the past couple of years we have witnessed the rapid expansion
and development of the wind O&M industry. What major opportunities
do you cite within the market, what are the biggest O&M trends you are
seeing, and how do you plan on taking advantage of them?
Jolynn Kennedy: Harnessing data and collecting the right data points
to analyze and optimize O&M, vendor selection, and major repairs.
There are companies doing some fascinating work with predictive
analytics and Broadwind Energy plans to work closely with an analyt-
ics-focused company to best understand how and when to serve our
customers.
This type of analytic data will help to improve wind asset management,
reduce maintenance costs, improve wind power production by over
10%, and maximize profits.
Mike Grunow: You’re seeing a large volume of turbines come off of
warranty. North America’s total addressable market, in terms of drive
train O&M, is expected to triple or quadruple based on third-party esti-
mates.
The number one thing that we’re focused on is trying out the right mix
of products and services, localized for each customer segment. We are
segmenting customers based on their behaviour. Some customers like
to do everything up-tower.
Other customers like to do everything in the shop. Other customers like
to buy new, and new only. Some customers self-perform. Some cus-
tomers don’t have any mechanical prowess.
We’ve now opened up our third location in the mid-western US, so
we’ve essentially gone local with the capability to deliver field services
and shop work at three locations where the major wind markets are.
John Coultate: It’s well known that the O&M market is growing very
quickly. Lots of wind farms are coming out of warranty. Many operators
are self-performing O&M after the warranty period.
Many operators are taking a hybrid approach to O&M, where they take
some aspects and they sub-contract other aspects, or they contract
parts of the O&M back to the OEM. Lots of opportunities exist to do
things better. The industry is still learning best practices.
There’s lots of opportunity to make things more efficient, more effec-
tive, and lower cost. What this means for us is many operators still need
5. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
and save $100 on your pass
with this paper - just use code
‘O&MTECH’ when you register
online!
better tools. Tools to monitor their fleet better and manage reliability
problems better.
And also manage it in a scalable way, so rather than managing a single
wind farm, managing the whole fleet, across dispersed locations, ef-
fectively.
Survivability, reliability, and increased performance are central for the
continued development of wind power. What are you going to do
to make a difference in these areas and how will it affect the cost of
energy?
Mike Grunow: Moventus has been a wind-gear and gear manufacturer
for almost 70 years.
We now have that experience focused exclusively on not only making
our gearboxes more reliable for new supply, but also leveraging our
changes, fixes, and upgrades to over 20 competitive gearboxes that we
have reverse-engineered and approved.
Unlike many of the pure-play gearbox manufacturers or service provid-
ers, we can address maintenance and upgrades on almost 80% of the
North American fleet because of the reverse engineering and upgrades.
We eventually sell and warrant a better product, that’s refurbished, than
we took out of the field and used most of the components again.
6. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
and save $100 on your pass
with this paper - just use code
‘O&MTECH’ when you register
online!
John Coultate: Reliability is our bread and butter at Romax. We do
a large amount of consultancy for operators and often this starts off
looking at reliability problems and how we can manage these problems
better.
One of the core things we offer is a condition monitoring service. We’re
currently managing over 2GW of assets globally, looking at things like
vibration and SCADA, trying to detect faults a long time before they
lead to a failure.
The impact on cost of energy of this type of monitoring is very clear. If
you look five years ago in the industry, there wasn’t really a consensus
about condition monitoring, but now it’s much more well-understood.
We’ve got some very simple examples.
For example, looking at main bearing failures, which we have seen a
lot of recently, if you take a wind farm with two main bearing failures
on two different turbines and combine the repair and replacement
procedure on those two turbines you could immediately save over
USD$300,000.
If you can predict, a long time into the future, these failures occurring,
the opportunity for cost saving is very high. That is enabled through
better condition monitoring practices.
Jolynn Kennedy: Particularly around drive train improvements, Broad-
wind Services has contracted third-party inspections on Broadwind-re-
paired gearboxes to test their robust reliability and give peace of mind
to owners that are weary of gearbox issues.
Gearbox failures can be one of the most expensive events for a wind
turbine owner.
Being able to predict the failure prior to the event and following up
by providing a tested and validated gearbox replacement or up-tower
repair is a full-service solution that has the potential to significantly
reduce unexpected costs throughout the lifecycle of a wind unit.
These preventative measures result in the reduction of energy costs
overall. We will also focus on increased performance and proper pre-
ventative maintenance of blades, which are vital to energy production.
7. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
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with this paper - just use code
‘O&MTECH’ when you register
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It is critical for service providers to have a good relationship with
owners. What are their primary needs at this time and how are you
responding?
John Coultate: Many of the owners and operators we are working with
are looking at their long-term strategy. As they come out of warranty,
how are they going to manage O&M post-warranty? What things are
they going to bring in-house and do themselves?
Many of the operators we work with want to bring operations and
maintenance in house. They work with us in the short term on things
like condition monitoring service. They get Romax to monitor their site.
But they want to know they’ve got a partner who can transfer the
knowledge in-house.
So initially we’re providing a monitoring service during warranty
and then during the end-of-warranty period we’re supporting them
through that process, through inspections and analysis, and then trans-
ferring our technology over to them.
That means licensing software, training engineers. And that finally en-
ables them to do self-monitoring. It’s that long-term vision we are tying
to support the operators with.
Jolynn Kennedy: We provide owners with a host of turnkey drive train
services offered both on-site and off-site, as well as comprehensive
blade service, inspections, and repair to maximize tower uptime.
8. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
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Mike Grunow: We’re finding that turbine operators come in many dif-
ferent stripes. Some like to do their own work, some work up-tower,
others are into replacements and refurbishments. Having that complete
mix of services available and local, at a competitive price, is critical.
With gearboxes, nobody knows when one is going to break, where it’s
going to break, and what model it is. We’re sitting here with our crystal
ball, trying to predict next year which hundred gearboxes are going to
break, in what farms, and what the model is going to be.
We completely understand how each wind turbine manufacturer is go-
ing to need to have a set of suppliers. It’s uncertain what will break and
who is going to have what in stock.
One of the things we are seeing right now that breaks from historical
trends is many large plant owners are entering into long-term contracts
for volume, and trying to lock up volume for gearbox supply.
This is counter to behaviour over the last few years, when they were
buying a single gearbox when they needed it. We worry that there is
going to be a run on gearboxes and an under-supply in the market.
The other thing that’s critical to relationships is communication and
localization.
The United States is one country, but when you get into the cultures of
the Midwest versus Texas versus the West Coast, there really are distinct
cultural pockets and that is why we are localizing, to be close to the
customer.
9. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
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‘O&MTECH’ when you register
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With a high percentage of wind assets coming off their warranties
next year, the after-market is about to get even bigger and ever more
important in coming years. How will you innovate to drive costs down
and meet expectations?
Jolynn Kennedy: We are constantly engaging with our customers to
see what their biggest needs are and what keeps them up at night, and
MRO costs are always a concern.
This is how we decided to focus on proactive blade maintenance, up-
tower repairs, and proactive drive train repairs, as we saw the biggest
needs in these spaces.
We are also active in end-of-warranty inspections and plan to maximize
these service opportunities for the benefit of our customers, to uncover
areas where cost improvements are feasible.
Broadwind’s focus has been and will be committed to continuous improve-
ment activities that provide cost-saving value we can pass to the customer.
Mike Grunow: Over the past five years we have serviced and repaired
in-shop over 400 gearboxes. Less than half of those are Moventus
gearboxes. The rest are competitor gearboxes.
So we have developed a very good understanding for where our gear-
boxes fail and where their gearboxes fail. That allows us to develop
much lower-cost and targeted condition-monitoring systems.
These lower-cost and targeted condition-monitoring systems can be
deployed based on the gearbox brand, to determine when that brand
is going to fail. For example, one manufacturer’s brand may fail on the
planetary stage where another may fail in the high-speed bearing.
There’s no use deploying a USD$10,000 monitoring system when you
can deploy a $5,000 monitoring system that just focuses on the key
areas of failure.
John Coultate: Regarding end-of-warranty, we’ve got a large experi-
ence so far. One of the recent projects we did, a UK offshore project—
but the end-of-warranty process, fundamentally, is similar offshore and
onshore—was a wind farm with 88 3.6MW turbines.
It’s actually the biggest offshore wind farm in the world ever to come
out of warranty. Romax did the turbine inspections and analyzed data
for this site to support the operator through the end-of-warranty pro-
cess. It was a huge project.
10. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
and save $100 on your pass
with this paper - just use code
‘O&MTECH’ when you register
online!
There were so many turbines and so much complexity that we had
three teams of staff working shifts on site. It was a challenging project
from a project management point of view. But it was delivered success-
fully and the client was really pleased with the results and the outcome.
In US onshore, the scale of the projects is similar. The transfer of know-
how and capability is easy. About innovations in warranty, on that topic
it’s more to do with longer-term planning.
We’ve got condition monitoring, which gives us a short to medium-
term horizon of things failing.
We’re also working on predictive models, which give us a much lon-
ger-term horizon. We are talking of a one to three years’ horizon and
looking at indications of major components that may need replacing or
maintaining in the long term.
This helps the operators to plan their budgets and their strategies. It has
had a lot of value for large wind farms that require cranes and major
components for the turbine.
It also in our experience has a lot of value offshore, so as the US off-
shore sector starts ramping up I think we will see more innovations like
this being rolled out across the fleet.
Delivering reliable and cost effective technologies will be paramount
to the continued commercial success of the wind industry. What is the
single biggest challenge in doing so, and how do you plan to tackle it?
Mike Grunow: The single biggest challenge in O&M is access to data.
The specific data I’m talking about is the maintenance and failure data
from the North American fleet, which is made up of roughly 40,000
wind turbines.
You have wind turbine owners and operators, you have OEMs, you have
service providers, you have national laboratories that have access to
data.
None of that data is integrated and collated and cut in a uniform man-
ner, and then shared out in a way that can allow for groups of compa-
nies to collaborate.
We participate with the US National Renewable Energy Laboratory on
their Wind Energy Gearbox and Drive Train Reliability Association, and
we are driving for other companies on that group to try to share data
more openly and freely.
11. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
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‘O&MTECH’ when you register
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Hopefully that will be an issue that will change. That’s something we
are focused on.
John Coultate: One of the challenges for us is that the people run-
ning wind farms are fire-fighting a lot of problems. Machines fail, things
need fixing, maintenance needs planning. We need to make sure we
keep sight of the longer-term, bigger picture.
For companies like Romax, I think that means working closely with
financial investors, which is something we do a lot of currently. We’re
working a lot on due-diligence projects currently with investors, and it’s
these people who hold the long-term business plan: years 10 to 20.
They’re looking to see long-term returns on investment. So if we can
deploy novel an innovative technologies that have a long-term return
on investment for wind farms, these people are key to getting up and
running.
Jolynn Kennedy: Energy storage may be the biggest challenge for the
wind industry. It isn’t discussed much, since we tend to focus on LCOE,
but technological advancement in this space is absolutely critical to the
competitiveness of this energy source.
Although batteries and potential energy storage is not a core capabil-
ity of Broadwind Energy, we can certainly do our part in driving down
costs for the industry.
We have a number of Six Sigma-trained employees as well as a contin-
uous improvement functional group that spends 100% of their working
day tackling these issues.
We have been able to drive down costs of wind tower production as
well as lead-times to better serve our customers from these efforts. We
are confident that we can continue to contribute to the cost competi-
tiveness of wind energy.
12. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
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with this paper - just use code
‘O&MTECH’ when you register
online!
How are you using latest condition monitoring systems technology to
decrease drive train failures and what are you doing you to bring down
cost to the end user?
John Coultate: Through our routine monitoring, we are always de-
veloping better algorithms and better methods to detect faults. There
is ongoing research and development, and continuous improvement,
going on.
Also, those projects give us really valuable data, from real-life projects
with real-life failures. What that allows us to do is look back at historical
data and say: ‘Here’s a similar turbine, in a similar circumstance, what
was the time to repair?’
It allows us to support the operators, because what the operators want
to know is how long can they continue running a turbine until it fails
and how long in the future do they have to schedule its repair.
There is a virtuous circle where the more projects like this we do, the
more data we get, the better our methods get, we win more projects,
and it keeps feeding itself. It’s really valuable.
13. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
and save $100 on your pass
with this paper - just use code
‘O&MTECH’ when you register
online!
What trends are you seeing with regards to blade maintenance and
repair, and how are you innovating in this area?
Jolynn Kennedy: We see a lot of activity in terms of wind farm owners’
interest in long-term agreements.
We believe it’s a matter of time before these types of agreements take
off as the customer can benefit from cost-savings from economies of
scale and increased potential revenue from a proactively maintained
blade program.
Being able to do up-tower repairs on major components is a key way
for owners to significantly reduce their maintenance costs. What is be-
ing done to innovate in this area and how are you contributing?
Mike Grunow: We have a couple of exciting announcements coming
up this year that we’ve been working on.
I don’t want to let the cat too far out of the bag but in general, histori-
cally, we were the first company to do up-tower bearing replacements
and the first company to do up-tower full helical replacements.
The trend that we hope to follow is to go deeper and deeper and deep-
er into the gearbox up-tower, and enable nearly all the current shop
repairs to be accomplished up-tower on the major gearbox varieties
out there. That is a trend we are going to hope to push, as we’ve done
before.
Secondly, the reality is that wind farm operators don’t have $10,000 per
14. Delivering reliable and
affordable wind O&M technology
Industry Leaders’ Thoughts
In Association with
The 7th Wind O&M Summit
(14-15 April 2015, Dallas) for
complete event details visit the
website:
www.windenergyupdate.com/
operations-maintenance-usa/
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turbine to retrofit the turbines with drive-train condition monitoring,
and the majority of these systems coming offline don’t have condition
monitoring.
On a 100-turbine wind farm you’re looking at $1 million in op-ex, a
one-year hit, for the promise of condition monitoring the drive trains.
It’s hard to justify that expense.
But we think there are some novel financing opportunities to spread
the cost over seven to 10 years; take the first-year hit, and spread it. We
hope to be coming to market with that type of solution, and be the first
ones to market.
15. Wind Energy Operations
& Maintenance Usa
Industry Leaders’ Thoughts
What emerges from the views of these experts is a clear recognition of
the growing importance of O&M, plus an obvious eagerness to come to
the market with products and strategies to help operators drive down
LCOE.
Such an attitude could not come at a better time for the US wind market.
Wind is now to all intents and purposes a mature power generation in-
dustry and one that has to be able to compete on equal footing, where
possible, with other established energy sources, including gas, coal,
and nuclear.
The US, in particular, has what some might consider an unhealthy
preoccupation with shale gas. Whatever your views on shale, there is
no doubt it is leading to a radical redefinition of the American energy
market.
Nuclear power, that erstwhile mainstay of US energy policy, is already
being edged out of the mix in some parts of the country. Wind has thus
far held its own, but the types of support that have helped it gain trac-
tion may not be around for much longer.
At this point, if wind is to have a bright and breezy future, it needs as
much O&M innovation as it can get.
This paper was written in Association with the 7th Annual Wind
O&M Summit that will take place in Dallas on 14th-15th April 2015:
Optimize your Asset, Explore Latest Retrofits
& Improve Data Analysis to Increase Power
Production from your Turbines
This high level summit is purpose built to bring together Operators,
Developers, OEM’s, ISP’s, Service Providers and Industry Specialists
to get a handle on the latest developments in O&M. With all the
contributors here confirmed to attend, plus 450 decision makers from
across the industry, this is set to be the number one O&M meeting for
business and networking in 2015.
END NOTE
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register on the website at
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16. The focus this year:
} Performance Enhancement: Increase reliability and reduce
downtime to get more power out of the asset for higher return
} Gearboxes: Reduce chance of gearbox failure through service
and engineering developments to avoid high repair costs
} Blades: Improve the efficiency of blades for better wind
capture using new tech and retrofits
} Life extension: Analyse available data coming off wind farm to
improve and extend the lifetime of the asset
} Asset Management: Explore management, finance and
planning strategies within the changing O&M market
} O&M Strategy: Discuss multi sourcing, relationship and
contract management service agreements in a post-warranty
setting
Why you can’t afford to miss O&M Dallas 2015:
} Be empowered with
solutions –we’re told to
come with solutions not
problems – so it makes
perfect sense to speak with
the specialists that can
help in our 25+ exhibition
hall and understand the
specialised solutions
available to your O&M
challenges
} Tailor the agenda to
your specific needs
– with 48 sessions in 3
dedicated tracks covering
Main Components,
Life Extension, Asset
Management, Power
Enhancement, O&M
Strategy, Contract
Management & more so
you’re guaranteed to walk
away able to take the next
steps to drive your business
strategy forwards
} Strengthen your
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within the O&M
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designed to ensure you get
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industry’s decision makers,
we have pulled out all the
stops to ensure that you
don’t just connect on a
business level, but you
connect on a social level
too
} Get a handle on where
the O&M market is now
– Who is the new customer
in the O&M market? What
role will the ISPs play going
forwards? How will OEMs
change their model to
stay in business? What is
the industry doing to be
proactive and not reactive?
With real time data polling
on site, these are the
answers you’ll walk away
with
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Wind Energy Operations &
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