Navigant Research Blog

E-Bikes Gear Up in North America

— August 20, 2014

While Tesla, Nissan, and BMW get most of the headlines around electric transportation, the electric bicycle (e-bike) market is quietly gaining momentum in North America.  E-bikes are simply traditional pedal bikes with a battery pack and electric motor for propulsion.  Usually a throttle or user control module is attached to the handlebars to allow the user to adjust the power levels of electric assistance.  E-bikes offer a unique market solution for the transportation problems many cities in North America currently face: traffic congestion, fatalities from road accidents, local air quality, climate change, and the economic burdens associated with car ownership.

While the e-bike market has historically been strongest in China and Western Europe, emerging trends have helped position the industry for increased growth in North America.  Combined throttle-control and pedal-assist models, electric cargo bikes, all-in-one retrofit kits and wheels, an aging baby boomer population, and the use of e-bikes in police patrol and various security industries have all contributed to a growing market with strong potential.

Battery Prices Fall

As is the case with the broader electric vehicle market, the increasing quality and affordability of lithium ion (Li-ion) batteries is attracting new customers.  Most Li-ion e-bikes in North America range from $1,500 to $3,000.  While not as cheap as traditional bicycles, this is a relatively small upfront cost to adopt electric transportation.  If the plan is to reduce car trips or ditch your car altogether, your investment will be recouped within a few years of reduced trips to the pump and avoided insurance, parking, and vehicle maintenance costs.  Not to mention the health benefits that come with increased exercise and the avoidance of traffic jams.

Automakers Climb On

Several automotive manufacturers are joining the e-bike party.  In the United States, Ford recently partnered with Pedego Electric Bikes to design a throttle-controlled e-bike, the Ford Super Cruiser.  Daimler AG’s smart unit is one of the most aggressive automotive brands in e-bikes, partnering with GRACE GmbH to deliver an e-bike sold through dealers in Europe.  BMW recently released its pedal-assist Cruise e-bike 2014, which features a Bosch 250 W motor and 400 Wh battery.  Audi, Opel, and Volkswagen have also shown e-bike concepts, though these vehicles have not yet been announced for production.

Navigant Research’s upcoming report on e-bikes, scheduled for publication in the third quarter of 2014, will contain a detailed analysis of global market opportunities, barriers, and technology issues, along with market forecasts for e-bikes, e-bike batteries, and overall sales revenue by region.

 

Solar PV Helps Eliminate Kerosene Lamps

— August 20, 2014

About 250 million households, representing 1.3 billion people, lacked reliable access to electricity to meet basic lighting needs in 2010, according to the International Energy Agency.  Until recently, kerosene lamps were one of the few options for illumination in communities with household income as low as $2 per day.  Kerosene is highly detrimental to health and the environment, subjecting people to multiple pollutants, including fine particulate matter, formaldehyde, carbon monoxide, polycyclic aromatic hydrocarbons, sulfur dioxide, and nitrogen oxides.  Exposure to these pollutants can result in an increased risk of respiratory and cardiovascular diseases, cancer, and death.  Despite these hazards, kerosene is the leading source of illumination for most people in developing countries.

There’s now growing momentum to displace the estimated 4 billion to 25 billion liters of kerosene used each year, driven by a combination of government policy, clean energy businesses, and investment.  Kenya, Ghana, India, and Nigeria are a few of the countries that have announced initiatives to phase out kerosene and replace it with solar and other clean energy options, as covered in Navigant Research’s report, Solar Photovoltaic Consumer Products.

  • Kenya’s kerosene phase-out program, announced in 2012, aims to eliminate the use of kerosene for lighting and cooking, replacing the fuel with clean energy products.  Norway has pledged $44.5 million toward the initiative.
  • India’s National Solar Mission seeks to achieve 20 GW of solar power by 2022, in part through the installation of rooftop PV systems.  It has also set the specific goal of providing 20 million solar lighting systems in place of kerosene lamps to rural communities, with the goal of reaching an estimated 100 million people.
  • The Ghana Solar Lantern Distribution project provides subsidies to support sales of 200,000 solar lanterns between 2014 and 2016 using money formerly allocated for fuel subsidies.

Kerosene remains the most important lighting fuel for off-grid and under-electrified households and small businesses in Africa, and accounts for approximately 55% of total lighting expenditure for those living on less than $2 per day, according to Lighting Africa.  Kerosene has been increasing as a percentage of household expenditure.  Ted Hesser developed the following chart with data from the United Nations, Saviva Research, World Bank, and the U.S. Energy Information Administration, highlighting the growth in kerosene prices.  Between 2000 and 2012, kerosene prices increased 240% in the developing world, from an average price of roughly $0.50 per liter in 2000 to about $1.20 per liter in 2012.  In high-cost markets – including Burundi, Guatemala, and Panama – kerosene costs can be as high as $1.80 to $2.10 per liter.

Price of Kerosene by Country, Selected World Markets: 2000-2012

 

(Source: Ted Hesser)

Beyond CO2

The climate impact of kerosene lamps has been dramatically underestimated by considering only CO2.  Recent studies estimate that 270,000 tons of black carbon (i.e., fine particulate matter that results from the incomplete combustion of fossil fuels, biofuels, and biomass) are emitted from kerosene lamps annually – leading to a warming equivalent of about 4.5% of U.S. CO2 emissions and 12% of India’s, according to a Brookings Institute study.

The Brookings study points out that kerosene lamps are not the largest emitters of black carbon.  The leading source is residential burning of solid fuel, such as wood and coal for cooking – which emits 6 times more black carbon than lamps.  Similarly, diesel engine black carbon emissions are 5 times that of lamps.

Solar PV and other lower-emissions consumer products, such as improved cook stoves, are making their way to the market through a variety of private, non-profit, and public initiatives.  Education and awareness of the options available to consumers are the biggest challenges to changing the behavior of customers in remote communities.  But the combination of new business models, government leadership, and technical innovation are leading to a growing number of success stories that could lead to significant reductions in black carbon emissions.

 

A Comeback for Community Storage

— August 20, 2014

Two years ago, community energy storage (CES) was heralded as the most promising distributed storage market.  The market subsequently stalled when demonstrations failed to take off.  Originally, most utilities in the United States pared back on ambitious pilots due to high transaction cost.  Although the business-to-business model of community-level systems was appealing, North American utilities struggled to secure permission from homeowners to install systems and transaction costs skyrocketed.  System development for distribution transformers in North America was also costly, and this, combined with the high cost of customer engagement, killed all large-scale projects.

Now this model could be staging a comeback.  Toronto Hydro, along with eCAMION Inc., the University of Toronto, and Dow Kokam LLC, recently installed a CES system at the Roding Arena and Community Centre in Toronto, Canada.  The pilot project will allow Toronto Hydro to monitor the technology and will help validate its benefits to Toronto’s electrical grid.  This system uses 250 kWh/500 kW Dow Kokam lithium polymer nickel manganese cobalt cells, along with thermal management and controls from eCAMION.  The University of Toronto is managing the control, protection, and power management.

Small Is Beautiful

Situating storage near the customer provides several benefits.  First, it allows a utility to correct power quality where it matters most – near the customer.  Community storage can also help utilities maintain service during grid outages, at least for a few hours.  Finally, CES gives the utility information about what is happening at the edge of the grid, which is an important management tool.

More interest is developing in Europe, where distribution system operators are experiencing difficulty with behind-the-meter solar PV and instability from intermittent renewables upstream.  The United Kingdom is especially bullish, with several departments funding community storage.

Sharp Laboratories of Europe was awarded a grant of £396,541 ($661,858) from the United Kingdom’s Department of Energy & Climate Change to develop and scale up a new battery technology for residential energy storage and CES systems.  Electrovaya began delivering systems to Scottish and Southern Energy Power Distribution (SSEPD) in the second quarter of 2014 as part of an order for 25 distributed and independent energy storage systems.  The systems range in energy capacity from 12.5 kWh to over 80 kWh.  SSEPD has a separate community storage demonstration with S&C Electric that consists of three 25 kWh lithium ion units on the low-voltage network.

Europe is emerging as a leader in community storage by launching small pilots to test and prove the concept, instead of ambitious 80-unit projects.

 

In Bangladesh, Solar Boom Benefits All

— August 18, 2014

More solar PV systems are installed in Bangladesh than in Germany and the United States combined.  At the end of 2013, Bangladesh had an estimated 2.9 million solar PV systems installed compared to 1.4 million in Germany and 445,000 in the United States.

This is despite the fact that Bangladesh is one of the poorest countries on the planet, with per-capita income of less than $3,000 per year.  In Bangladesh, solar home systems (SHSs) range from 10W to 200W.  Approximately 50% of all systems sold in Bangladesh are between 20W and 30W – roughly 1% of the capacity of a medium-sized residential system in the United States, but enough to power a few compact fluorescent or LED lights, charge a cell phone, or power a radio.  At an average cost of about $230 for a 20W SHS in Bangladesh, an upfront cash payment is out of reach for people who make less than $9 per day.  But thanks to the success of micro-credit programs that made Mohamad Yunus and Grameen Bank household names, SHSs are affordable to all.

Home Systems Multiply

Grameen Shakti, based in Dhaka, is the solar power arm of the Grameen Bank and is the leading SHS installer in Bangladesh, with an estimated 1.3 million installations to date.  These installations represent more than 30 MW of installed capacity.   The model relies on an extensive network of sales agents who can reach remote areas, low interest loans, and numerous grants that provide seed funding.  Grameen Shakti provides free operation and maintenance services for 3 years after installation, with low-cost service options thereafter.

With a strong emphasis on grassroots education, Grameen Shakti has contributed to the industry’s high visibility in Bangladesh, where there are now around 40 providers of SHSs.   The company sells approximately 1000 SHSs per day and is targeting 2 million SHS sales by the end of 2016.

The government of Bangladesh – whose low-lying topography makes it especially vulnerable to the effects of climate change – has set a target of generating 5% of its power from renewable energy sources by 2015 and 10% by 2020.  The pipeline of projects started small, but is now growing considerably.  The country has approximately 10 GW installed capacity, with only 75% of that power actually available at any given time due to grid reliability issues.  That relates to roughly 136 kWh available per capita each year – one of the lowest rates in the world.  Compare that to an average household consumption of 1000 kWh per month here in Portland, Oregon.

Changing the Model

Rahimafrooz Renewable Energy Ltd. (RREL) represents the growing number of hybrid companies with a foot in the SHS market and many others, including agriculture, healthcare, education, telecommunications, rural street lighting, and marketplaces, as well as government and private institutions.  RREL has installed 300 solar water and irrigation pumps, 2 MW of solar rooftop solutions, and more than 100 solar-powered telecom base stations in Bangladesh.

Meanwhile, the company’s not-for-profit venture, Rural Services Foundation (RSF), has disseminated nearly 426,000 SHSs under the Infrastructure Development Co. Ltd. (IDCOL) program, representing more than an estimated 12 MW at the end of 2013.  This makes it the second-largest SHS installer in Bangladesh, behind Grameen Shakti.

As I’ve covered previously in blogs and Navigant Research’s report, Solar PV Consumer Products, countries such as Bangladesh, Kenya, Tanzania, and others are challenging traditional Western perceptions of developing countries and approaches for tackling poverty.   Investors have also taken notice.  Solar’s very favorable current market forces (low cost) and unique advantages in economic development (health benefits and cost savings) can be leveraged to enable the continued expansion of solar PV to even the most remote regions – and the poorest countries.

 

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