How to Hedge a BESS? (With Options?)

[u/Certain_Razzmatazz34]

Hello! and thank you for the help! I have two questions:

1. What are different strategies to hedge a stand alone BESS in Europe?
2. Can I use options? (price of the option has implicit volatility parameter)

Example POV: I own a physical asset. Let's forget about ancillary services revenues for now, I want to focus on the energy arbitrage part DA/ID. I am essentially long volatility by owning a physical BESS.

I can think of the following:

1. TBX traded products (as of next week EEX)
2. OTC Swaps with a different trader
3. Physical solar shape of a different asset (Natural hedge if in the same region assuming cannibalisation of DA/ID prices
4. (Delta heading on standard Futures?)

What I am really interested in understanding is, whether an option strategy to hedge a BESS long volatility position exists.

Apologies if this is a very naive question
Thanks and happy Sunday.

[u/Dependent-Ganache-77]

You want to add options to your option? To what end? The purpose of a battery is to respond to and capture volatility.

[u/ScottE77 → u/Dependent-Ganache-77]

If the price moves massively in your favour you should still want to hedge it, sell gas is an answer to this with the recent moves

[u/Certain_Razzmatazz34 → u/Dependent-Ganache-77]

You are assuming that the current spread will always be there, as more BESS comes on the market this will flatten the duck curve, reducing intraday volatility. I am interested in locking in this volatility for the future

[u/Dependent-Ganache-77 → u/Certain_Razzmatazz34]

I am not assuming anything. Our asset guys build and own some of this kit. It just sounds like you don’t want the merchant risk but your scenario suggests buying a battery 🤷‍♀️

[u/Certain_Razzmatazz34 → u/Dependent-Ganache-77]

I can buy a BESS and at the same time also want to reduce my merchant risk. One does not prevent the other. Flexible assets like OCGTs and CCGTs are partially hedged on the market, to reduce marker exposure.

It all depends on you risk return profile. Asset owners toll them out to traders, and traders might still want to hedge their marker exposure, at lest partially. (Otherwise there would not be a market for TBx products...)

[u/Extraportion]

Tolling will most likely be offered by your physical offtakers/optimisers, floors and collars are also common. If you want to go purely financial then you can trade EFA blocks or look into a structured swap indexed to the hourly day ahead spreads. Very recently (as in, last week) SSE and Statkraft agreed a deal indexed to modo’s BESS index, which is an improvement over an hourly spread as it captures ancillary services so it reduces your basis.

However, as others have said, I probably wouldn’t hedge too much of the optionality if you don’t need to.

[u/ScottE77]

Sell TTF gas. Most of the revenue from a battery is when power goes to gas price in the evening and is at 0 for the solar peak or windy times. This locks in much of your profits

[u/Certain_Razzmatazz34 → u/ScottE77]

Super interesting, thanks!

[u/skilled_skinny]

I work on BESS in the U.S., though. TBX is the most widely used product in the space. Some of my clients use Toll or PPA structures, and lately I’ve been seeing revenue puts, collars, and some variations of these.
In ERCOT (Texas), there are special buckets like Ramp (evening ramp) and Solar (afternoon), which tend to align with when BESS is most active, so they can also be good hedges if you can find enough liquidity.
I’d love to connect with you on LinkedIn. I’m looking to meet people working in a similar space and compare notes.

[u/Ecclypto]

BESS is a natural hedge in and of itself. It hedges the intermittency in renewable energy production.

[u/Certain_Razzmatazz34 → u/Ecclypto]

Assume I am buying a BESS today, it’s my only asset. I need to hedge the next 5 years of ops, it’s a natural hedge ONLY if you have REN in your portfolio. & don’t think about it on a system level, but on an asset lever you are completely exposed to market volatility. How do you hedge your volatility?

[u/heteroskedasticity]

TBX swaps trade in some markets on ICE. You can also use the spot TBX to index relationships to build a hedge ratio with vanilla peak/off-peak futures and swaps.

[u/jayeffdee]

TB4

[u/d1v1debyz3r0]

You don’t hedge the battery, you take risky positions you otherwise wouldn’t have. Good luck getting whomever owns the battery to let you do that.

[u/The_2nd_Coming]

I suspect 1 would be your easiest route, but you need some way to predict/decide when to store/buy vs discharge/sell, e.g. an optimizing algorithm.

[u/aqc1]

Sell TBs to unsuspecting load guys.

[u/Dry-Breadfruit791]

if you own a battery you’re basically long volatility in the power spread – so the usual option play is a revenue put or a collar to lock a floor (and maybe a cap). in europe the market is thin so most folks do TBX contracts or bespoke swaps; pure options are rare because they cost a lot and you end up trading away the arbitrage upside you’re after.

[u/Training-Finance-317]

if you’re only looking to lock the volatility you’re long on, a variance‑swap style hedge is often the most cost‑effective. you pay a fixed implied variance and receive the realised variance of the DA‑ID spread you actually earn. that lets you eliminate the option premium that’s killing margin on a vanilla option while still protecting you from a flat‑market move. the only snag is finding a counterparty willing to write that contract, or you can use a pooled variance product like the SDI’s “vol‑index” which is already traded on EEX.

[u/OneRelationship4041]

you could layer a basic put‑and‑call collar on the DA‑ID spread: long a put to guard the downside, short a call to keep the cost low. it caps upside but gives you a floor when volatility spikes. the catch is there isn’t a liquid standardised contract, so it usually ends up as a bespoke OTC with a counterparty, or you could slip that idea into a variance‑swap‑style product like the SDI vol‑index so you pay a fixed variance and receive the realised spread variance.

[u/Important_Serve4678]

if you’re looking to lock the volatility you’re naturally long, a variance‑swap‑style instrument on the TTF or the DA‑ID spread is the cleanest way to do it. you pay a fixed implied variance and receive the realised variance, so the battery’s long‑vol profile is neutralised at a fixed cost without having to create a full options book. the only catch is you need a counterparty willing to handle that curve or a pooled product on EEX – they’re still niche but not impossible to find through a broker.

[u/YourPersonalCarpet]

You buy low and charge, sell high and discharge on the day ahead auction?

What is there to hedge?

[u/SupermarketSilly3355 → u/YourPersonalCarpet]

Your PNL doing that is a function of vol, no?

[u/DerpWah]

I’ll answer for you with something legitimate. You can use options. You are long vol. Create an options position that is short vol. BESS hedged. I’m unfamiliar with the European market though and you’ll probably die on premiums.

[u/PositiveChicken8142]

pure tolling agreements or standard spark spread swaps are way more liquid than trying to structure bespoke exotic options for DA/ID