The next wave of cutting-edge technology is home battery storage.

Battery Storage

Battery Storage


The next wave of cutting-edge technology is home battery storage.

A home battery storage system stores energy in two ways. If your home has an alternative energy source like solar panels, the energy generated can be captured and stored in the home battery storage system to use later. Alternatively, the home battery storage system can charge directly from the grid, such as during off-peak hours when our Time-of-Day (TOD) rates are lower. The battery can provide energy during peak hours when rates are higher to offset your electricity costs. The battery can also be used as a backup power source in the event of an outage.

Please note that battery storage alone is not eligible for the TOD rate but your home can take advantage of the TOD rate if a thermal storage heating system is already installed in the home.

MPOWER Energy Solutions is working with us to supply and install Tesla Powerwalls.

Here is how MPOWER battery storage works in your home:

Backup


MPOWER MPOWER

Assures power in the event of a grid outage. This scenario applies to the majority of homes in Nova Scotia today.

Solar


MPOWER Backup MPOWER Backup

Charge the MPOWER Solution with excess energy from solar panels during the day for use at night.

Time-of-use Day


solar mpower solar mpower

Load shifting - Powerwall charges during low rate periods when demand for electricity is lower and discharges during more expensive rate periods when electricity demand is higher. Note: battery storage alone is not eligible for the time-of-use rate but your home can take advantage of the time-of-use rate if a thermal storage heating system is already installed in the home.

Time-of-use Night


Time-of-use-day Time-of-use-day

Load shifting - Powerwall charges during low rate periods when demand for electricity is lower and discharges during more expensive rate periods when electricity demand is higher. Note: battery storage alone is not eligible for the time-of-use rate but your home can take advantage of the time-of-use rate if a thermal storage heating system is already installed in the home.

Types of home battery storage available in Nova Scotia


Tesla Powerwall 2.0

MPOWER Energy Solutions is the authorized re-seller of the Tesla Powerwall 2.0 in Canada. To learn more or to purchase a Powerwall for your own home, sign up through MPower.

Tabuchi Electric Eco Intelligent Battery System

A world leader in solar Inverter technology, Tabuchi Electric has partnered with Panasonic and Rexel Atlantic to bring Canadian consumers an intelligent battery system, composed of a state-of-the-art hybrid solar inverter and lithium-ion battery unit. This solar PV to battery storage solution is represented in Atlantic Canada by Rexel. Learn more about this product from Panasonic.

 

Testing battery storage in Elmsdale

The Intelligent Feeder Project involves residential energy storage batteries (Tesla Powerwalls) installed at 10 homes in the Elmsdale community and a much larger grid-sized battery (Tesla Powerpack) at the Elmsdale substation. These batteries are connected to an electrical line powered, in part, by the nearby Hardwood Lands wind turbines. Sensors on the powerline monitor and gather data about local system activity and are fed back to our control centre for analysis and planning of Nova Scotia’s future energy needs.

FAQS:


How are you preventing outages caused by fallen trees and branches?

When it comes to power outages, trees are without a doubt our biggest culprit. And while they make our province a beautiful place to live, they can interfere with power lines and cause outages. It’s why we have our vegetation management team—they control tree growth near power lines through tree trimming to prevent outages year-round. Last year, we invested about $25 million in planned and requested vegetation management, trimming trees along 756 km of power lines.

Because many municipalities value having roadside trees, we work with them to balance our right-of-way maintenance with their local priorities. In certain urban areas of Halifax, for example, the municipality conducts its own tree maintenance to ensure those local priorities are met. 

Why don’t you bury the power lines? Wouldn’t this help prevent outages?

While it’s true that power outages can be less frequent with underground lines, when they do occur, they’re harder to locate and take longer to repair.

Underground lines are also much more expensive. The main reason we don’t typically bury power lines is because we’re regulated to provide the most cost-effective option for customers. Burying lines can be 10 times more expensive for customers than running lines overhead. Nova Scotia’s rocky terrain also makes it a challenge.

In cases where lines are buried, we usually work with developers or municipalities that finance the difference in cost, so customers aren’t impacted. For us to bury lines in Halifax only, for example, it would be more costly for customers throughout the province.

It’s also important to note that burying the lines could be inconvenient for residents. It would require digging up streets and sidewalks and would damage the root systems of trees.

Why are you choosing to test this at the White Rock Hydro station?

White Rock is a good location because it has a number of moving parts with the canal, head pond and downstream passage area.  We have made a number of improvements at our White Rock facility including necessary upgrades to our fish passage structures that allow fish to move around barriers such as dams.  This technology will enhance that work.  There are multiple species at White Rock and we have seen fish activity increase significantly in each of the last four years (over a million in each of the last four years – up from about 400,000).

For the latest information, visit: https://oceansupercluster.ca/ocean-aware-project-announcement-news/

Why is this important?

Protecting our environment is a priority for us and is an integral part of our decision making.  It is important to have good information around fish at our facilities in order to operate efficiently and in the most environmentally friendly way.  We want to continue to have the best information we can to ensure our due diligence when it comes to protecting fish habitat and the environment.  The opportunity to work with like-minded partners to develop and test this leading-edge technology will assist us in better tracking and understanding the fish health and movement in our operating facilities.

How does this technology work?

This technology will help better detect the presence and movement of fish in the water around our facilities in real time.  It takes an electronic picture to get a better idea of what’s going on.  It will also develop and test better sensors in addition to the algorithms/software.  Having this information allows us to continue to look at ways to avoid impact to fish and operate in an environmentally friendly way.

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