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Passive solar greenhouses

A solar powered greenhouse that makes sense in Canada’s climate Passive solar greenhouses are an idea whose time has come. What is a passive solar greenhouse, you ask? And don’t they already use the sun’s energy? Well yes, but with the traditional Dutch glass box greenhouse design all that heat leaves once the sun goes down. Because they are uninsulated, they don’t store any of that heat. As a result they need a lot of energy to heat the building … Read More

Tesla battery could power big changes

The future could be looking sunnier after Tesla founder Elon Musk last week unveiled a suite of batteries for homes and businesses. It’s uncertain how the batteries might affect the energy sector as a whole,  but there’s a lot of chatter about their potential for big changes. The problem with sun and wind is there has been no practical way to store the energy they produce. And the Tesla batteries could solve that problem. Widespread availability of affordable battery storage … Read More

Solar: a great long-term investment

As oil prices go down, so do solar energy stocks. Oil prices have fallen by about 40% since mid-June, while solar stocks have fallen about 20% in that time. This is not new, solar stock prices have reacted to rising or falling oil prices in the past. Investors fear cheap oil will bring down demand for alternative energy. Fears unfounded But in reality, those fears are completely unfounded. Here are a few things to consider: Solar energy and energy from … Read More

Premier Wynne ends electricity separatism

Quebec-Ontario alliance underscores lack of leadership in Ottawa… Last Friday Premier Wynne signed a breakthrough agreement with the Premier of Quebec that will end Ontario’s 100-year old policy of electricity separatism. Starting next year Ontario will provide Quebec with 500 megawatts of electricity supply in the winter when Quebec power demand peaks, while Quebec will provide Ontario with the same in the summer when air conditioning drives up our electricity usage. Even more importantly, the two provinces have agreed to … Read More

Batteries (and other energy storage) – the next big challenge

We are in a period of transition with renewables. With prices coming down and research ramping up, it feels like are starting to turn a corner. We need a flexible grid One of the biggest puzzles is how to store electricity, as we shift to using more and more renewable energy sources. The electricity grid needs to be able to be more flexible to the fluctuations in supply of wind, solar, etc. Larger institutions are starting to seriously look for … Read More

Wind Turbines: A look at who builds the blades

Clean Energy Review recently published a great photo essay by Joan Sullivan looking at how wind turbine blades are built. Here’s an exerpt: Birth of a Blade PowerBlades opened last year in Welland, Ont, to support the growth in renewable energy in Ontario spurred in turn by the province’s Green Energy Act. As of October, the company will have fabricated 78 fiberglass blades, each 45 meters long and up to three meters wide, for dozens of 2.05 MW Senvion turbines. … Read More

Welcome to SNDI

SNDI is a  Multi-Trade Contractor that offers Industrial, Commercial and Renewable Services SmartNet Developments is a Contractor servicing Ontario’s construction industry in the industrial, commercial and renewable sectors. We are a multi-trade contractor so our customer only need on phone number to call. We are also branching out into infrastructure and sustainable energy projects. SmartNet Developments undertakes projects varying in size and scope across Ontario. Performing work under Division 16 Electrical furthered to Division 25 – Integrated Automation, Division 26 … Read More