Breakfast and lunch today (3 days)

Protein

10 medium shrimp: ~80 calories
1/3 chicken breast (about 4 oz raw): ~120 calories
1 sausage (depends on type):
Polish/kielbasa: ~300 calories
Smoked sausage: ~250–350 calories
Protein/meat subtotal: ~500 calories

Vegetables

2 heads broccoli: ~200 calories
1 zucchini: ~35 calories
3 bell peppers: ~110 calories
1 onion: ~60 calories
6 carrots: ~150 calories
5 celery stalks: ~30 calories
2 cups green beans: ~60 calories
1 pint mushrooms: ~40 calories
Jalapeño: ~5 calories
Vegetable subtotal: ~690 calories

Sauce
2 tbsp brown sugar: ~100 calories
6 tbsp wine: ~30 calories
3 tbsp soy sauce: ~30 calories
1 tbsp Sriracha: ~15 calories
Garlic & ginger: ~10 calories
Sauce subtotal: ~185 calories

Oil
3 tbsp cooking oil: ~360 calories

Total Batch Calories

Component Calories

Meat & seafood. ~500
Vegetables. ~690
Sauce. ~185
Oil. ~360

Total. ~1,735 calories

A reasonable range is 1,650–1,850 calories depending on the exact sausage and chicken size.
Per Serving

If this made:
4 servings: ~435 calories each
5 servings: ~350 calories each
6 servings: ~290 calories each

Looking at the amount of vegetables you listed, I'd call this 5–6 generous servings, so roughly 300–350 calories per serving.