Sponge

Field Notes

From the grid, the field, and the software.

Technical write-ups, rate environment updates, and product notes from the Sponge team.

Field Reports

Field Reports·November 11, 2025

Export Control CT and Energy Meter Selection Guide

A practical guide for EPCs and procurement teams specifying CTs alongside a Sponge Zero-Export deployment. Covers amperage rating, split core vs. Rogowski, and meter compatibility.

Read →5 min read
Field Reports·October 4, 2026

Evaluating Batteries: How to acquire Smart‑Meter Load Data to Assess Battery Strategies

Green Button and interval data download steps for Hydro One, Alectra, Toronto Hydro, BC Hydro and other Canadian utilities, a client email template, and how to load the file into Battery Proposal Studio.

Read →8 min read
Field Reports·October 14, 2026

How to Spot a Class B Battery Project

Three signals that turn a solar quote into a battery project: the demand charge ratio, solar that would curtail under load displacement, and the outage history. Screen each one in Battery Proposal Studio.

Read →7 min read

Regional Incentives

Regional Incentives·May 19, 2026

BC Hydro ESI Enrollment Workflow with Sponge

A swimlane walkthrough of every step — from feasibility study to DERMS commissioning — for enrolling a commercial battery in BC Hydro's Energy Storage Incentive program with Sponge as system integrator.

Read →8 min read
Regional Incentives·May 19, 2026

Leveraging Sponge to Access the BC Hydro Energy Storage Incentive

Controller specification, feature set, and delivery model for ESI deployments in the 200 kWh to 5 MW class. Covers MPC architecture, fail-safe design, EMC Pro+ hardware, and the per-project engagement model.

Read →12 min read
Regional Incentives·May 21, 2026

Stacking the Ontario SaveOnEnergy PV DER Incentive with Federal Tax Credits

How Ontario solar installers secure the Prescriptive Stream incentive, combine it with the Clean Technology ITC and Accelerated CCA, and design the project for compliant load displacement from day one.

Read →11 min read

Industry Insights