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Is a solar battery worth it in BC under the 10 cent rate?

A battery adds little to what your solar saves under the BC Hydro self-generation rate, because your panels are already netted against your use across each billing period. The reasons to buy one are backup power in an outage, the battery rebate of up to $5,000 with Peak Saver, and optional time-of-day pricing.

Last checked November 12, 2026. Rates and program rules change, so confirm them with the source before you sign.

Does a battery raise what your solar earns from BC Hydro?

Very little, on our reading of the rate. Under the self-generation rate, BC Hydro compares what your panels made with what your home used over a whole billing period. Power you send out at noon and draw back that evening cancels out inside the period. A battery that moves the same kWh from noon to evening leaves the period's totals where they were.

The power that earns 10 cents is what is left after a whole period is added up. For most homes that happens in late spring and summer. A battery would have to hold that power until winter to change its value, and home batteries are built to cycle daily.

How much surplus is there to win back?

Take the gas-heated Metro Vancouver home from our other guides. It uses 9,000 kWh a year and has a 7 kW system making 7,350 kWh. The model behind our free calculator puts its surplus in two billing periods.

Billing period	Surplus, kWh	Paid at 10 cents	Worth at 12.70 cents if used at home
May and June	434	$43	$55
July and August	491	$49	$62
Year	926	$93	$118

Rounded, so the rows can differ from the year by a dollar or a kWh.

The gap is about $25 a year. That is the most this home loses by selling surplus at 10 cents, and a battery can't recover it, because each period's surplus is hundreds of kWh that would have to wait for winter.

What does a battery do, then?

Job	Does a battery help?
Keep some circuits running in an outage	Yes, if the system is designed for backup. Ask which circuits and for how long.
Move summer surplus into winter	No.
Raise the 10 cent surplus credit	No. The credit is a fixed price.
Cut what you pay under time-of-day pricing	It can, if you choose that rate.
Qualify for a larger BC Hydro rebate	Yes, through Peak Saver.

Backup is the job panels can't do alone. The US Department of Energy explains that ordinary solar inverters follow the grid's signal and shut down when the grid has a long or large disturbance. Solar with a battery and a suitable inverter can keep running through an outage if it was designed to. A quote that promises backup should name the circuits covered.

How much is the BC Hydro battery rebate?

The BC Hydro rebate pays $500 per kWh of storage. For an individually metered home the cap is $1,500, or $5,000 if the battery is enrolled in Peak Saver. Either way the rebate can't be more than half the installed cost.

Battery size	Rebate without Peak Saver	Rebate with Peak Saver
5 kWh	$1,500	$2,500
10 kWh	$1,500	$5,000
13 kWh	$1,500	$5,000

The conditions match the solar rebate: approval before you buy, an installer on the Home Performance Contractor Network, and a battery on BC Hydro's qualified list. BC Hydro lists Tesla products as not eligible. A battery without solar qualifies only for a residential customer who enrols it in Peak Saver.

What does Peak Saver ask of your battery?

BC Hydro's Peak Saver page says it signals enrolled batteries to discharge into your home during peak events. Events fall in the winter season, November through March, and last no more than four hours. The battery is never drawn below 20%. You can opt out of an event, though opting out of more than half in a season can cost you the seasonal reward.

BC Hydro's rebate page says to enrol within 14 days of interconnection approval to get the higher rebate.

Can time-of-day pricing make a battery pay?

It gives a battery something to do every day. BC Hydro's optional time-of-day pricing adds 5 cents per kWh from 4 to 9 p.m. and takes 5 cents off from 11 p.m. to 7 a.m. A kWh charged overnight and used in the evening peak is up to 10 cents cheaper than the same kWh bought at the peak.

Here is the ceiling. A battery that shifts 8 kWh every day of the year saves 8 × 10 cents × 365, or $292. Real results are lower, because batteries lose some energy in each cycle and a home has to use that much between 4 and 9 p.m. Divide the battery's cost after the rebate by your own yearly figure to see how long it takes.

What should a quote with a battery show?

The battery should be its own line, with the make, model and size in kWh, so the solar price can be checked alone. Any savings credited to the battery should be shown apart from the solar savings, with the rate plan they assume. How to read a solar quote in BC covers the other checks, and our free price check and paid reviews look at the same lines.

What could we not confirm?

Our reading that solar is netted across each billing period drives the first two sections. BC Hydro's page supports it, and the tariff is the final word. BC Hydro's Peak Saver pages showed different reward amounts when we checked, so this guide quotes none. We found no primary source for battery prices, so it quotes none of those either.

Common questions

Is a home battery worth it with solar in BC?

On bill savings alone it adds little under the BC Hydro self-generation rate, because solar is netted against your use across each billing period. The case for a battery rests on backup power, the Peak Saver rebate and time-of-day pricing.

How much is the BC Hydro battery rebate in 2026?

BC Hydro pays $500 per kWh of storage, up to $1,500 for an individually metered home, or up to $5,000 if the battery is enrolled in Peak Saver. The rebate cannot exceed half the installed cost.

Can a battery store summer solar for winter?

No. Under the self-generation rate, surplus left at the end of a billing period is paid at 10 cents per kWh. A home battery cycles daily and cannot carry that power into winter.

Do solar panels work in a power outage without a battery?

Generally not. Ordinary solar inverters shut down when the grid goes down. A system with a battery and a suitable inverter can power some circuits in an outage if it was designed for backup.

Want your own quote checked?

The free calculator runs the rough numbers in your browser from four figures on your quote and your hydro bill. The sample report shows what a written review looks like.

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Solar Second Look is a document review. We check a quote against published prices and program rules. This guide is general information and does not replace legal, financial or engineering advice. For questions about a contract, contact Consumer Protection BC.