Diario
Il nostro hub per i progressi nell'innevamento, la scoperta polimerica e gli insight dagli operatori.
Mitchell McLennan
The snowmaking equipment market is ~$2B, but that understates the opportunity. Here's the full value chain — from hardware to the ski economy made snow protects.
LeggiMitchell McLennan
EU water law doesn't ban snowmaking additives — it sets water-quality outcomes and leaves permission to member states. Here's how the WFD and Drinking Water Directive actually apply.
LeggiMitchell McLennan
Snowmaking demand is projected to rise 55-97% by 2050 in tightening catchments. Which water levers actually reduce draw — and which just move it.
Mitchell McLennan
Snowmaking is ~17% of daily opex at large Swiss resorts and front-loaded into the months before revenue. What the line item contains and which levers move it.
Mitchell McLennan
Polymers are exempt from REACH registration under Article 2(9) — their monomers carry the burden. Why "REACH-approved" is not a thing, and what does apply.
Mitchell McLennan
Does a US snowmaking additive need EPA approval? How the 40 CFR 723.250 polymer exemption works, and why an anionic PFAS-free polymer is a candidate.
Mitchell McLennan
How ppm dosing works for snowmaking additives: 1 ppm is about 1 gram per cubic metre. A polymer additive doses at 6–7.6 ppm, metered upstream of the guns.
Mitchell McLennan
Cut snowmaking cost per cubic metre — not output. The five levers: wet-bulb timing, pumps, automation, water reclamation, and additive chemistry.
Mitchell McLennan
A snowmaking manager's checklist for evaluating an additive: regulatory fit, chemistry, dosing, wet-bulb gain, safety, and value-based pricing — in order.
Mitchell McLennan
An extra open day is worth what its date commands — peak-holiday days are a large multiple of shoulder days. Why the average misleads, and why it points to value-share pricing.
Mitchell McLennan
Snowmaking extends a ski season at both ends — earlier openings and spring durability — by converting marginal wet-bulb hours into open days. How it works, and where the limits are.
Mitchell McLennan
Biological additives (Snomax) nucleate ice; polymer additives nucleate and inhibit recrystallization. The two chemistries diverge on mechanism, snow quality, and regulatory pathway.
Mitchell McLennan
Austria and Bavaria bar all snowmaking additives — biological and polymer alike — under water-protection law. Not an EU ban: a regional 'water only' rule, explained honestly.
Mitchell McLennan
The peer-reviewed data on snow reliability, resort risk, and why snowmaking is the decisive adaptation - François 2023, Spandre, Abegg, IPCC, read straight.
Mitchell McLennan
Snowmaking uses ~2,900-4,000 m3 of water per hectare per season (~1 acre-foot per acre). Where it goes, why most returns to the watershed, and how to use less.
Mitchell McLennan
How Snomax works: inactivated Pseudomonas syringae and its ice-nucleation protein, what the risk assessments really found, and where it is restricted.
Mitchell McLennan
No - polyacrylamide is not readily biodegradable. But it is non-bioaccumulative, low-toxicity, and dosed at ppm. The honest environmental profile, for snowmaking.
Mitchell McLennan
Austrian snowmaking uses ~281 GWh a season and can be half a resort's early-season power bill. Where the energy goes, why it rises in warm spells, and how to cut it.
Mitchell McLennan
All-weather machines make snow at any temperature but use 6-65 kWh/m3. A polymer additive widens the window of your existing guns at ppm cost. The economics, compared.
Mitchell McLennan
There is no EU-wide ban on snowmaking additives. A country-by-country reference: where additives are prohibited, discontinued, or permitted — and why.
Mitchell McLennan
Too warm to make snow usually means too warm for the guns as run. The operator playbook for the marginal wet-bulb window - and where the hard limit sits.
Mitchell McLennan
Snowmaking cost is dominated by energy, not water, and it rises sharply as the air warms. A sourced breakdown of the cost per acre-foot and where savings hide.
Mitchell McLennan
What a polymer snowmaking additive is, the three jobs it can do inside a snow gun, how it differs from Snomax, and why the category is changing now.
Mitchell McLennan
Ski resorts cut snowmaking water and energy with four levers. There is a fifth almost nobody names: additive chemistry that lowers water and energy per m3 of snow.
Mitchell McLennan
ANSES rated artificial-snow risk 'null to negligible' and flagged source-water microbiology, not the additive. The primary document, read straight.
Mitchell McLennan
SL6733 is a two-component polymer snowmaking additive: an anionic PAM-co-acrylate plus a starch nucleant, dosed at 6–7.6 ppm for a modelled +3 °C wet-bulb advantage. What it is, how it works, and where it fits.
Mitchell McLennan
Snomax is not banned across the EU. It is restricted by national measures — discontinued in France, prohibited in Austria and Bavaria, approved in Italy, Switzerland and the US. Here's the accurate picture.
Mitchell McLennan
Snomax è il nucleante biologico dominante per l'innevamento — ed è soggetto a moratorie nazionali in Francia (moratoria 2005), Austria e Baviera. Questa è la guida completa alle alternative: come funziona Snomax, come si confronta il tensioattivo Drift e come SL6733, un polimero sintetico progettato per l'esenzione polimerica UE, colma la lacuna regolatoria.
Mitchell McLennan
Una guida sul campo alla categoria degli additivi per innevamento — nucleanti biologici, sistemi polimerici, economia del bulbo umido, quadro regolatorio UE e cosa valutare quando si sceglie una chimica.
Mitchell McLennan
L'IRI è il meccanismo che controlla come crescono i cristalli di ghiaccio una volta formati. È il motivo per cui densità, durata e velocità di fusione della neve variano così tanto tra additivi. Ecco la fisica, la chimica e cosa rende un polimero efficace.
Mitchell McLennan
DS-100 è la chimica in fase R&S di DeepSnow — alanina/glutammato alternati, polimerizzazione NCA, 91–94% di riduzione MGS a 100 µg/mL. Il motore di scoperta è ciò che la produce.
Mitchell McLennan
Una nota dal campo su come opera DeepSnow: laboratorio + motore di scoperta AI + portfolio prodotti, verticalmente integrati, e cosa si compone quando chimica e software lavorano in un loop chiuso.
Mitchell McLennan
La temperatura di bulbo umido è il tetto termodinamico dell'innevamento convenzionale. Ecco cos'è, come misurarla, perché un miglioramento di +3°C vale 2,4–2,8 M$ di EBITDA per stazione per stagione, e come gli additivi cambiano la matematica.
Mitchell McLennan
Un riferimento operativo sui quadri normativi che si applicano agli additivi per innevamento in UE, Svizzera e USA — inclusi i divieti attivi di Snomax in Austria, Francia e Baviera.
Mitchell McLennan
Negli scenari centrali IPCC di riscaldamento, il 98 % delle stazioni sciistiche europee sarà a rischio entro il 2050. Ecco la struttura del rischio basata sui dati climatici, com'è davvero la compressione della stagione e quali strumenti di adattamento funzionano.
Mitchell McLennan
Un laboratorio chimico, un motore AI di scoperta polimerica e una pipeline di prodotti in sviluppo — guidata da SL6733, un additivo per innevamento con vantaggio di +3°C in bulbo umido.